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authorDavid S. Miller <davem@davemloft.net>2016-01-01 02:20:10 +0300
committerDavid S. Miller <davem@davemloft.net>2016-01-01 02:20:10 +0300
commitc07f30ad68053181b3e8a0e65b0630e12e844f91 (patch)
tree8758968aabc844c435ff2a5d7d02c835fccd02a3 /drivers
parent7b22a7788b0263f42f7232c5c05c503424ffa0ba (diff)
parent9c982e86dbdbaa3fb248dfc776dddda32cbc8927 (diff)
downloadlinux-c07f30ad68053181b3e8a0e65b0630e12e844f91.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers')
-rw-r--r--drivers/acpi/processor_driver.c3
-rw-r--r--drivers/base/power/domain.c33
-rw-r--r--drivers/block/null_blk.c15
-rw-r--r--drivers/block/xen-blkback/blkback.c15
-rw-r--r--drivers/block/xen-blkback/common.h8
-rw-r--r--drivers/bus/sunxi-rsb.c8
-rw-r--r--drivers/cpufreq/Kconfig.arm2
-rw-r--r--drivers/cpufreq/intel_pstate.c2
-rw-r--r--drivers/cpufreq/scpi-cpufreq.c2
-rw-r--r--drivers/gpio/gpio-ath79.c2
-rw-r--r--drivers/gpio/gpio-generic.c4
-rw-r--r--drivers/gpio/gpiolib.c8
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu.h3
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c63
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_crtc.c3
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h28
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c111
-rw-r--r--drivers/gpu/drm/i915/i915_gem_gtt.c1
-rw-r--r--drivers/gpu/drm/i915/i915_gem_stolen.c1
-rw-r--r--drivers/gpu/drm/i915/intel_display.c66
-rw-r--r--drivers/gpu/drm/i915/intel_drv.h1
-rw-r--r--drivers/gpu/drm/i915/intel_hdmi.c7
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/subdev/bios/fan.c1
-rw-r--r--drivers/hwmon/Kconfig1
-rw-r--r--drivers/hwmon/tmp102.c16
-rw-r--r--drivers/i2c/busses/i2c-davinci.c11
-rw-r--r--drivers/i2c/busses/i2c-designware-core.c6
-rw-r--r--drivers/i2c/busses/i2c-designware-core.h1
-rw-r--r--drivers/i2c/busses/i2c-designware-platdrv.c16
-rw-r--r--drivers/i2c/busses/i2c-imx.c4
-rw-r--r--drivers/i2c/busses/i2c-mv64xxx.c27
-rw-r--r--drivers/i2c/busses/i2c-rcar.c4
-rw-r--r--drivers/i2c/busses/i2c-rk3x.c2
-rw-r--r--drivers/i2c/busses/i2c-st.c2
-rw-r--r--drivers/infiniband/core/cma.c16
-rw-r--r--drivers/infiniband/hw/mlx4/srq.c2
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma.h10
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_hw.c49
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_hw.h4
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_main.c57
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_sli.h49
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_verbs.c2
-rw-r--r--drivers/input/joystick/db9.c1
-rw-r--r--drivers/input/joystick/gamecon.c1
-rw-r--r--drivers/input/joystick/turbografx.c1
-rw-r--r--drivers/input/joystick/walkera0701.c1
-rw-r--r--drivers/input/misc/arizona-haptics.c3
-rw-r--r--drivers/input/mouse/elan_i2c_core.c3
-rw-r--r--drivers/input/serio/parkbd.c1
-rw-r--r--drivers/input/tablet/aiptek.c9
-rw-r--r--drivers/input/touchscreen/atmel_mxt_ts.c34
-rw-r--r--drivers/input/touchscreen/elants_i2c.c21
-rw-r--r--drivers/iommu/amd_iommu_v2.c20
-rw-r--r--drivers/iommu/intel-svm.c20
-rw-r--r--drivers/lightnvm/gennvm.c2
-rw-r--r--drivers/md/md.c33
-rw-r--r--drivers/md/md.h8
-rw-r--r--drivers/md/raid10.c4
-rw-r--r--drivers/media/pci/ivtv/ivtv-driver.c4
-rw-r--r--drivers/media/usb/airspy/airspy.c2
-rw-r--r--drivers/media/usb/hackrf/hackrf.c13
-rw-r--r--drivers/memory/fsl_ifc.c1
-rw-r--r--drivers/mtd/ofpart.c12
-rw-r--r--drivers/mtd/ubi/debug.c2
-rw-r--r--drivers/mtd/ubi/io.c2
-rw-r--r--drivers/mtd/ubi/wl.c53
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c22
-rw-r--r--drivers/net/ethernet/emulex/benet/be.h2
-rw-r--r--drivers/net/ethernet/emulex/benet/be_main.c8
-rw-r--r--drivers/net/ethernet/emulex/benet/be_roce.c36
-rw-r--r--drivers/net/ethernet/emulex/benet/be_roce.h4
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_clock.c7
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_main.c7
-rw-r--r--drivers/net/ethernet/mellanox/mlx4/en_netdev.c10
-rw-r--r--drivers/net/ethernet/natsemi/natsemi.c12
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c2
-rw-r--r--drivers/net/ethernet/renesas/sh_eth.c25
-rw-r--r--drivers/net/ethernet/renesas/sh_eth.h33
-rw-r--r--drivers/net/ethernet/ti/cpsw.c63
-rw-r--r--drivers/net/geneve.c10
-rw-r--r--drivers/net/hamradio/6pack.c8
-rw-r--r--drivers/net/hamradio/mkiss.c4
-rw-r--r--drivers/net/usb/cdc_mbim.c2
-rw-r--r--drivers/net/usb/cdc_ncm.c49
-rw-r--r--drivers/net/veth.c6
-rw-r--r--drivers/net/wireless/intel/iwlwifi/iwl-7000.c49
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/sta.c15
-rw-r--r--drivers/net/xen-netback/netback.c34
-rw-r--r--drivers/nvme/host/pci.c20
-rw-r--r--drivers/pci/host/pcie-hisi.c4
-rw-r--r--drivers/phy/Kconfig1
-rw-r--r--drivers/phy/phy-bcm-cygnus-pcie.c16
-rw-r--r--drivers/phy/phy-berlin-sata.c20
-rw-r--r--drivers/phy/phy-brcmstb-sata.c17
-rw-r--r--drivers/phy/phy-core.c21
-rw-r--r--drivers/phy/phy-miphy28lp.c16
-rw-r--r--drivers/phy/phy-miphy365x.c16
-rw-r--r--drivers/phy/phy-mt65xx-usb3.c20
-rw-r--r--drivers/phy/phy-rockchip-usb.c17
-rw-r--r--drivers/pinctrl/bcm/pinctrl-bcm2835.c13
-rw-r--r--drivers/pinctrl/freescale/pinctrl-vf610.c2
-rw-r--r--drivers/pinctrl/intel/pinctrl-broxton.c1
-rw-r--r--drivers/pinctrl/intel/pinctrl-intel.c41
-rw-r--r--drivers/pinctrl/intel/pinctrl-intel.h3
-rw-r--r--drivers/pinctrl/intel/pinctrl-sunrisepoint.c1
-rw-r--r--drivers/powercap/intel_rapl.c7
-rw-r--r--drivers/rtc/rtc-da9063.c19
-rw-r--r--drivers/rtc/rtc-rk808.c48
-rw-r--r--drivers/s390/crypto/ap_bus.c4
-rw-r--r--drivers/s390/virtio/virtio_ccw.c62
-rw-r--r--drivers/scsi/scsi_pm.c20
-rw-r--r--drivers/scsi/ses.c30
-rw-r--r--drivers/spi/spi-fsl-dspi.c12
-rw-r--r--drivers/spi/spi.c2
-rw-r--r--drivers/spi/spidev.c2
-rw-r--r--drivers/tty/n_tty.c22
-rw-r--r--drivers/tty/serial/8250/8250_uniphier.c8
-rw-r--r--drivers/tty/serial/earlycon.c2
-rw-r--r--drivers/tty/serial/sh-sci.c2
-rw-r--r--drivers/tty/serial/sunhv.c12
-rw-r--r--drivers/tty/tty_buffer.c2
-rw-r--r--drivers/usb/core/hub.c22
-rw-r--r--drivers/usb/serial/ipaq.c3
-rw-r--r--drivers/xen/events/events_fifo.c23
-rw-r--r--drivers/xen/xen-pciback/pciback.h1
-rw-r--r--drivers/xen/xen-pciback/pciback_ops.c75
-rw-r--r--drivers/xen/xen-pciback/xenbus.c4
-rw-r--r--drivers/xen/xen-scsiback.c2
128 files changed, 1321 insertions, 617 deletions
diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c
index f4e02ae93f58..11154a330f07 100644
--- a/drivers/acpi/processor_driver.c
+++ b/drivers/acpi/processor_driver.c
@@ -200,7 +200,8 @@ static int acpi_pss_perf_init(struct acpi_processor *pr,
goto err_remove_sysfs_thermal;
}
- sysfs_remove_link(&pr->cdev->device.kobj, "device");
+ return 0;
+
err_remove_sysfs_thermal:
sysfs_remove_link(&device->dev.kobj, "thermal_cooling");
err_thermal_unregister:
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 167418e73445..65f50eccd49b 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -390,6 +390,7 @@ static int pm_genpd_runtime_suspend(struct device *dev)
struct generic_pm_domain *genpd;
bool (*stop_ok)(struct device *__dev);
struct gpd_timing_data *td = &dev_gpd_data(dev)->td;
+ bool runtime_pm = pm_runtime_enabled(dev);
ktime_t time_start;
s64 elapsed_ns;
int ret;
@@ -400,12 +401,19 @@ static int pm_genpd_runtime_suspend(struct device *dev)
if (IS_ERR(genpd))
return -EINVAL;
+ /*
+ * A runtime PM centric subsystem/driver may re-use the runtime PM
+ * callbacks for other purposes than runtime PM. In those scenarios
+ * runtime PM is disabled. Under these circumstances, we shall skip
+ * validating/measuring the PM QoS latency.
+ */
stop_ok = genpd->gov ? genpd->gov->stop_ok : NULL;
- if (stop_ok && !stop_ok(dev))
+ if (runtime_pm && stop_ok && !stop_ok(dev))
return -EBUSY;
/* Measure suspend latency. */
- time_start = ktime_get();
+ if (runtime_pm)
+ time_start = ktime_get();
ret = genpd_save_dev(genpd, dev);
if (ret)
@@ -418,13 +426,15 @@ static int pm_genpd_runtime_suspend(struct device *dev)
}
/* Update suspend latency value if the measured time exceeds it. */
- elapsed_ns = ktime_to_ns(ktime_sub(ktime_get(), time_start));
- if (elapsed_ns > td->suspend_latency_ns) {
- td->suspend_latency_ns = elapsed_ns;
- dev_dbg(dev, "suspend latency exceeded, %lld ns\n",
- elapsed_ns);
- genpd->max_off_time_changed = true;
- td->constraint_changed = true;
+ if (runtime_pm) {
+ elapsed_ns = ktime_to_ns(ktime_sub(ktime_get(), time_start));
+ if (elapsed_ns > td->suspend_latency_ns) {
+ td->suspend_latency_ns = elapsed_ns;
+ dev_dbg(dev, "suspend latency exceeded, %lld ns\n",
+ elapsed_ns);
+ genpd->max_off_time_changed = true;
+ td->constraint_changed = true;
+ }
}
/*
@@ -453,6 +463,7 @@ static int pm_genpd_runtime_resume(struct device *dev)
{
struct generic_pm_domain *genpd;
struct gpd_timing_data *td = &dev_gpd_data(dev)->td;
+ bool runtime_pm = pm_runtime_enabled(dev);
ktime_t time_start;
s64 elapsed_ns;
int ret;
@@ -479,14 +490,14 @@ static int pm_genpd_runtime_resume(struct device *dev)
out:
/* Measure resume latency. */
- if (timed)
+ if (timed && runtime_pm)
time_start = ktime_get();
genpd_start_dev(genpd, dev);
genpd_restore_dev(genpd, dev);
/* Update resume latency value if the measured time exceeds it. */
- if (timed) {
+ if (timed && runtime_pm) {
elapsed_ns = ktime_to_ns(ktime_sub(ktime_get(), time_start));
if (elapsed_ns > td->resume_latency_ns) {
td->resume_latency_ns = elapsed_ns;
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index 8162475d96b5..09e3c0d87ecc 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -219,6 +219,9 @@ static void end_cmd(struct nullb_cmd *cmd)
{
struct request_queue *q = NULL;
+ if (cmd->rq)
+ q = cmd->rq->q;
+
switch (queue_mode) {
case NULL_Q_MQ:
blk_mq_end_request(cmd->rq, 0);
@@ -229,23 +232,19 @@ static void end_cmd(struct nullb_cmd *cmd)
break;
case NULL_Q_BIO:
bio_endio(cmd->bio);
- goto free_cmd;
+ break;
}
- if (cmd->rq)
- q = cmd->rq->q;
+ free_cmd(cmd);
/* Restart queue if needed, as we are freeing a tag */
- if (q && !q->mq_ops && blk_queue_stopped(q)) {
+ if (queue_mode == NULL_Q_RQ && blk_queue_stopped(q)) {
unsigned long flags;
spin_lock_irqsave(q->queue_lock, flags);
- if (blk_queue_stopped(q))
- blk_start_queue(q);
+ blk_start_queue_async(q);
spin_unlock_irqrestore(q->queue_lock, flags);
}
-free_cmd:
- free_cmd(cmd);
}
static enum hrtimer_restart null_cmd_timer_expired(struct hrtimer *timer)
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index f9099940c272..41fb1a917b17 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -950,6 +950,8 @@ static int xen_blkbk_parse_indirect(struct blkif_request *req,
goto unmap;
for (n = 0, i = 0; n < nseg; n++) {
+ uint8_t first_sect, last_sect;
+
if ((n % SEGS_PER_INDIRECT_FRAME) == 0) {
/* Map indirect segments */
if (segments)
@@ -957,15 +959,18 @@ static int xen_blkbk_parse_indirect(struct blkif_request *req,
segments = kmap_atomic(pages[n/SEGS_PER_INDIRECT_FRAME]->page);
}
i = n % SEGS_PER_INDIRECT_FRAME;
+
pending_req->segments[n]->gref = segments[i].gref;
- seg[n].nsec = segments[i].last_sect -
- segments[i].first_sect + 1;
- seg[n].offset = (segments[i].first_sect << 9);
- if ((segments[i].last_sect >= (XEN_PAGE_SIZE >> 9)) ||
- (segments[i].last_sect < segments[i].first_sect)) {
+
+ first_sect = READ_ONCE(segments[i].first_sect);
+ last_sect = READ_ONCE(segments[i].last_sect);
+ if (last_sect >= (XEN_PAGE_SIZE >> 9) || last_sect < first_sect) {
rc = -EINVAL;
goto unmap;
}
+
+ seg[n].nsec = last_sect - first_sect + 1;
+ seg[n].offset = first_sect << 9;
preq->nr_sects += seg[n].nsec;
}
diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h
index 68e87a037b99..c929ae22764c 100644
--- a/drivers/block/xen-blkback/common.h
+++ b/drivers/block/xen-blkback/common.h
@@ -408,8 +408,8 @@ static inline void blkif_get_x86_32_req(struct blkif_request *dst,
struct blkif_x86_32_request *src)
{
int i, n = BLKIF_MAX_SEGMENTS_PER_REQUEST, j;
- dst->operation = src->operation;
- switch (src->operation) {
+ dst->operation = READ_ONCE(src->operation);
+ switch (dst->operation) {
case BLKIF_OP_READ:
case BLKIF_OP_WRITE:
case BLKIF_OP_WRITE_BARRIER:
@@ -456,8 +456,8 @@ static inline void blkif_get_x86_64_req(struct blkif_request *dst,
struct blkif_x86_64_request *src)
{
int i, n = BLKIF_MAX_SEGMENTS_PER_REQUEST, j;
- dst->operation = src->operation;
- switch (src->operation) {
+ dst->operation = READ_ONCE(src->operation);
+ switch (dst->operation) {
case BLKIF_OP_READ:
case BLKIF_OP_WRITE:
case BLKIF_OP_WRITE_BARRIER:
diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
index 846bc29c157d..25996e256110 100644
--- a/drivers/bus/sunxi-rsb.c
+++ b/drivers/bus/sunxi-rsb.c
@@ -342,13 +342,13 @@ static int sunxi_rsb_read(struct sunxi_rsb *rsb, u8 rtaddr, u8 addr,
ret = _sunxi_rsb_run_xfer(rsb);
if (ret)
- goto out;
+ goto unlock;
*buf = readl(rsb->regs + RSB_DATA);
+unlock:
mutex_unlock(&rsb->lock);
-out:
return ret;
}
@@ -527,9 +527,9 @@ static int sunxi_rsb_init_device_mode(struct sunxi_rsb *rsb)
*/
static const struct sunxi_rsb_addr_map sunxi_rsb_addr_maps[] = {
- { 0x3e3, 0x2d }, /* Primary PMIC: AXP223, AXP809, AXP81X, ... */
+ { 0x3a3, 0x2d }, /* Primary PMIC: AXP223, AXP809, AXP81X, ... */
{ 0x745, 0x3a }, /* Secondary PMIC: AXP806, ... */
- { 0xe89, 0x45 }, /* Peripheral IC: AC100, ... */
+ { 0xe89, 0x4e }, /* Peripheral IC: AC100, ... */
};
static u8 sunxi_rsb_get_rtaddr(u16 hwaddr)
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index 235a1ba73d92..b1f8a73e5a94 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -226,7 +226,7 @@ config ARM_TEGRA20_CPUFREQ
config ARM_TEGRA124_CPUFREQ
tristate "Tegra124 CPUFreq support"
- depends on ARCH_TEGRA && CPUFREQ_DT
+ depends on ARCH_TEGRA && CPUFREQ_DT && REGULATOR
default y
help
This adds the CPUFreq driver support for Tegra124 SOCs.
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 4d07cbd2b23c..98fb8821382d 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -1123,7 +1123,7 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy)
limits->max_sysfs_pct);
limits->max_perf_pct = max(limits->min_policy_pct,
limits->max_perf_pct);
- limits->max_perf = round_up(limits->max_perf, 8);
+ limits->max_perf = round_up(limits->max_perf, FRAC_BITS);
/* Make sure min_perf_pct <= max_perf_pct */
limits->min_perf_pct = min(limits->max_perf_pct, limits->min_perf_pct);
diff --git a/drivers/cpufreq/scpi-cpufreq.c b/drivers/cpufreq/scpi-cpufreq.c
index 2c3b16fd3a01..de5e89b2eaaa 100644
--- a/drivers/cpufreq/scpi-cpufreq.c
+++ b/drivers/cpufreq/scpi-cpufreq.c
@@ -31,7 +31,7 @@ static struct scpi_ops *scpi_ops;
static struct scpi_dvfs_info *scpi_get_dvfs_info(struct device *cpu_dev)
{
- u8 domain = topology_physical_package_id(cpu_dev->id);
+ int domain = topology_physical_package_id(cpu_dev->id);
if (domain < 0)
return ERR_PTR(-EINVAL);
diff --git a/drivers/gpio/gpio-ath79.c b/drivers/gpio/gpio-ath79.c
index e5827a56ff3b..5eaea8b812cf 100644
--- a/drivers/gpio/gpio-ath79.c
+++ b/drivers/gpio/gpio-ath79.c
@@ -113,7 +113,7 @@ static int ar934x_gpio_direction_output(struct gpio_chip *chip, unsigned offset,
__raw_writel(BIT(offset), ctrl->base + AR71XX_GPIO_REG_CLEAR);
__raw_writel(
- __raw_readl(ctrl->base + AR71XX_GPIO_REG_OE) & BIT(offset),
+ __raw_readl(ctrl->base + AR71XX_GPIO_REG_OE) & ~BIT(offset),
ctrl->base + AR71XX_GPIO_REG_OE);
spin_unlock_irqrestore(&ctrl->lock, flags);
diff --git a/drivers/gpio/gpio-generic.c b/drivers/gpio/gpio-generic.c
index bd5193c67a9c..88ae70ddb127 100644
--- a/drivers/gpio/gpio-generic.c
+++ b/drivers/gpio/gpio-generic.c
@@ -141,9 +141,9 @@ static int bgpio_get_set(struct gpio_chip *gc, unsigned int gpio)
unsigned long pinmask = bgc->pin2mask(bgc, gpio);
if (bgc->dir & pinmask)
- return bgc->read_reg(bgc->reg_set) & pinmask;
+ return !!(bgc->read_reg(bgc->reg_set) & pinmask);
else
- return bgc->read_reg(bgc->reg_dat) & pinmask;
+ return !!(bgc->read_reg(bgc->reg_dat) & pinmask);
}
static int bgpio_get(struct gpio_chip *gc, unsigned int gpio)
diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 2a91f3287e3b..4e4c3083ae56 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -1279,7 +1279,13 @@ static int _gpiod_get_raw_value(const struct gpio_desc *desc)
chip = desc->chip;
offset = gpio_chip_hwgpio(desc);
value = chip->get ? chip->get(chip, offset) : -EIO;
- value = value < 0 ? value : !!value;
+ /*
+ * FIXME: fix all drivers to clamp to [0,1] or return negative,
+ * then change this to:
+ * value = value < 0 ? value : !!value;
+ * so we can properly propagate error codes.
+ */
+ value = !!value;
trace_gpio_value(desc_to_gpio(desc), 1, value);
return value;
}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index 5a5f04d0902d..048cfe073dae 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -1264,7 +1264,8 @@ struct amdgpu_cs_parser {
struct ww_acquire_ctx ticket;
/* user fence */
- struct amdgpu_user_fence uf;
+ struct amdgpu_user_fence uf;
+ struct amdgpu_bo_list_entry uf_entry;
};
struct amdgpu_job {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
index 4f352ec9dec4..25a3e2485cc2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c
@@ -127,6 +127,37 @@ int amdgpu_cs_get_ring(struct amdgpu_device *adev, u32 ip_type,
return 0;
}
+static int amdgpu_cs_user_fence_chunk(struct amdgpu_cs_parser *p,
+ struct drm_amdgpu_cs_chunk_fence *fence_data)
+{
+ struct drm_gem_object *gobj;
+ uint32_t handle;
+
+ handle = fence_data->handle;
+ gobj = drm_gem_object_lookup(p->adev->ddev, p->filp,
+ fence_data->handle);
+ if (gobj == NULL)
+ return -EINVAL;
+
+ p->uf.bo = amdgpu_bo_ref(gem_to_amdgpu_bo(gobj));
+ p->uf.offset = fence_data->offset;
+
+ if (amdgpu_ttm_tt_has_userptr(p->uf.bo->tbo.ttm)) {
+ drm_gem_object_unreference_unlocked(gobj);
+ return -EINVAL;
+ }
+
+ p->uf_entry.robj = amdgpu_bo_ref(p->uf.bo);
+ p->uf_entry.prefered_domains = AMDGPU_GEM_DOMAIN_GTT;
+ p->uf_entry.allowed_domains = AMDGPU_GEM_DOMAIN_GTT;
+ p->uf_entry.priority = 0;
+ p->uf_entry.tv.bo = &p->uf_entry.robj->tbo;
+ p->uf_entry.tv.shared = true;
+
+ drm_gem_object_unreference_unlocked(gobj);
+ return 0;
+}
+
int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data)
{
union drm_amdgpu_cs *cs = data;
@@ -207,28 +238,15 @@ int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, void *data)
case AMDGPU_CHUNK_ID_FENCE:
size = sizeof(struct drm_amdgpu_cs_chunk_fence);
- if (p->chunks[i].length_dw * sizeof(uint32_t) >= size) {
- uint32_t handle;
- struct drm_gem_object *gobj;
- struct drm_amdgpu_cs_chunk_fence *fence_data;
-
- fence_data = (void *)p->chunks[i].kdata;
- handle = fence_data->handle;
- gobj = drm_gem_object_lookup(p->adev->ddev,
- p->filp, handle);
- if (gobj == NULL) {
- ret = -EINVAL;
- goto free_partial_kdata;
- }
-
- p->uf.bo = gem_to_amdgpu_bo(gobj);
- amdgpu_bo_ref(p->uf.bo);
- drm_gem_object_unreference_unlocked(gobj);
- p->uf.offset = fence_data->offset;
- } else {
+ if (p->chunks[i].length_dw * sizeof(uint32_t) < size) {
ret = -EINVAL;
goto free_partial_kdata;
}
+
+ ret = amdgpu_cs_user_fence_chunk(p, (void *)p->chunks[i].kdata);
+ if (ret)
+ goto free_partial_kdata;
+
break;
case AMDGPU_CHUNK_ID_DEPENDENCIES:
@@ -391,6 +409,9 @@ static int amdgpu_cs_parser_relocs(struct amdgpu_cs_parser *p)
p->vm_bos = amdgpu_vm_get_bos(p->adev, &fpriv->vm,
&p->validated);
+ if (p->uf.bo)
+ list_add(&p->uf_entry.tv.head, &p->validated);
+
if (need_mmap_lock)
down_read(&current->mm->mmap_sem);
@@ -488,8 +509,8 @@ static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser, int error, bo
for (i = 0; i < parser->num_ibs; i++)
amdgpu_ib_free(parser->adev, &parser->ibs[i]);
kfree(parser->ibs);
- if (parser->uf.bo)
- amdgpu_bo_unref(&parser->uf.bo);
+ amdgpu_bo_unref(&parser->uf.bo);
+ amdgpu_bo_unref(&parser->uf_entry.robj);
}
static int amdgpu_bo_vm_update_pte(struct amdgpu_cs_parser *p,
diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
index b3ba27fd9a6b..e69357172ffb 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c
@@ -55,6 +55,9 @@ static int exynos_crtc_atomic_check(struct drm_crtc *crtc,
{
struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc);
+ if (!state->enable)
+ return 0;
+
if (exynos_crtc->ops->atomic_check)
return exynos_crtc->ops->atomic_check(exynos_crtc, state);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index a01e51581c4c..f4af19a0d569 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2193,8 +2193,17 @@ struct drm_i915_gem_request {
struct drm_i915_private *i915;
struct intel_engine_cs *ring;
- /** GEM sequence number associated with this request. */
- uint32_t seqno;
+ /** GEM sequence number associated with the previous request,
+ * when the HWS breadcrumb is equal to this the GPU is processing
+ * this request.
+ */
+ u32 previous_seqno;
+
+ /** GEM sequence number associated with this request,
+ * when the HWS breadcrumb is equal or greater than this the GPU
+ * has finished processing this request.
+ */
+ u32 seqno;
/** Position in the ringbuffer of the start of the request */
u32 head;
@@ -2839,6 +2848,7 @@ i915_gem_object_ggtt_pin(struct drm_i915_gem_object *obj,
int i915_vma_bind(struct i915_vma *vma, enum i915_cache_level cache_level,
u32 flags);
+void __i915_vma_set_map_and_fenceable(struct i915_vma *vma);
int __must_check i915_vma_unbind(struct i915_vma *vma);
/*
* BEWARE: Do not use the function below unless you can _absolutely_
@@ -2910,15 +2920,17 @@ i915_seqno_passed(uint32_t seq1, uint32_t seq2)
return (int32_t)(seq1 - seq2) >= 0;
}
+static inline bool i915_gem_request_started(struct drm_i915_gem_request *req,
+ bool lazy_coherency)
+{
+ u32 seqno = req->ring->get_seqno(req->ring, lazy_coherency);
+ return i915_seqno_passed(seqno, req->previous_seqno);
+}
+
static inline bool i915_gem_request_completed(struct drm_i915_gem_request *req,
bool lazy_coherency)
{
- u32 seqno;
-
- BUG_ON(req == NULL);
-
- seqno = req->ring->get_seqno(req->ring, lazy_coherency);
-
+ u32 seqno = req->ring->get_seqno(req->ring, lazy_coherency);
return i915_seqno_passed(seqno, req->seqno);
}
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 32e6aade6223..f56af0aaafde 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1146,23 +1146,74 @@ static bool missed_irq(struct drm_i915_private *dev_priv,
return test_bit(ring->id, &dev_priv->gpu_error.missed_irq_rings);
}
-static int __i915_spin_request(struct drm_i915_gem_request *req)
+static unsigned long local_clock_us(unsigned *cpu)
+{
+ unsigned long t;
+
+ /* Cheaply and approximately convert from nanoseconds to microseconds.
+ * The result and subsequent calculations are also defined in the same
+ * approximate microseconds units. The principal source of timing
+ * error here is from the simple truncation.
+ *
+ * Note that local_clock() is only defined wrt to the current CPU;
+ * the comparisons are no longer valid if we switch CPUs. Instead of
+ * blocking preemption for the entire busywait, we can detect the CPU
+ * switch and use that as indicator of system load and a reason to
+ * stop busywaiting, see busywait_stop().
+ */
+ *cpu = get_cpu();
+ t = local_clock() >> 10;
+ put_cpu();
+
+ return t;
+}
+
+static bool busywait_stop(unsigned long timeout, unsigned cpu)
+{
+ unsigned this_cpu;
+
+ if (time_after(local_clock_us(&this_cpu), timeout))
+ return true;
+
+ return this_cpu != cpu;
+}
+
+static int __i915_spin_request(struct drm_i915_gem_request *req, int state)
{
unsigned long timeout;
+ unsigned cpu;
+
+ /* When waiting for high frequency requests, e.g. during synchronous
+ * rendering split between the CPU and GPU, the finite amount of time
+ * required to set up the irq and wait upon it limits the response
+ * rate. By busywaiting on the request completion for a short while we
+ * can service the high frequency waits as quick as possible. However,
+ * if it is a slow request, we want to sleep as quickly as possible.
+ * The tradeoff between waiting and sleeping is roughly the time it
+ * takes to sleep on a request, on the order of a microsecond.
+ */
- if (i915_gem_request_get_ring(req)->irq_refcount)
+ if (req->ring->irq_refcount)
return -EBUSY;
- timeout = jiffies + 1;
+ /* Only spin if we know the GPU is processing this request */
+ if (!i915_gem_request_started(req, true))
+ return -EAGAIN;
+
+ timeout = local_clock_us(&cpu) + 5;
while (!need_resched()) {
if (i915_gem_request_completed(req, true))
return 0;
- if (time_after_eq(jiffies, timeout))
+ if (signal_pending_state(state, current))
+ break;
+
+ if (busywait_stop(timeout, cpu))
break;
cpu_relax_lowlatency();
}
+
if (i915_gem_request_completed(req, false))
return 0;
@@ -1197,6 +1248,7 @@ int __i915_wait_request(struct drm_i915_gem_request *req,
struct drm_i915_private *dev_priv = dev->dev_private;
const bool irq_test_in_progress =
ACCESS_ONCE(dev_priv->gpu_error.test_irq_rings) & intel_ring_flag(ring);
+ int state = interruptible ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE;
DEFINE_WAIT(wait);
unsigned long timeout_expire;
s64 before, now;
@@ -1229,7 +1281,7 @@ int __i915_wait_request(struct drm_i915_gem_request *req,
before = ktime_get_raw_ns();
/* Optimistic spin for the next jiffie before touching IRQs */
- ret = __i915_spin_request(req);
+ ret = __i915_spin_request(req, state);
if (ret == 0)
goto out;
@@ -1241,8 +1293,7 @@ int __i915_wait_request(struct drm_i915_gem_request *req,
for (;;) {
struct timer_list timer;
- prepare_to_wait(&ring->irq_queue, &wait,
- interruptible ? TASK_INTERRUPTIBLE : TASK_UNINTERRUPTIBLE);
+ prepare_to_wait(&ring->irq_queue, &wait, state);
/* We need to check whether any gpu reset happened in between
* the caller grabbing the seqno and now ... */
@@ -1260,7 +1311,7 @@ int __i915_wait_request(struct drm_i915_gem_request *req,
break;
}
- if (interruptible && signal_pending(current)) {
+ if (signal_pending_state(state, current)) {
ret = -ERESTARTSYS;
break;
}
@@ -2554,6 +2605,7 @@ void __i915_add_request(struct drm_i915_gem_request *request,
request->batch_obj = obj;
request->emitted_jiffies = jiffies;
+ request->previous_seqno = ring->last_submitted_seqno;
ring->last_submitted_seqno = request->seqno;
list_add_tail(&request->list, &ring->request_list);
@@ -4080,6 +4132,29 @@ i915_vma_misplaced(struct i915_vma *vma, uint32_t alignment, uint64_t flags)
return false;
}
+void __i915_vma_set_map_and_fenceable(struct i915_vma *vma)
+{
+ struct drm_i915_gem_object *obj = vma->obj;
+ bool mappable, fenceable;
+ u32 fence_size, fence_alignment;
+
+ fence_size = i915_gem_get_gtt_size(obj->base.dev,
+ obj->base.size,
+ obj->tiling_mode);
+ fence_alignment = i915_gem_get_gtt_alignment(obj->base.dev,
+ obj->base.size,
+ obj->tiling_mode,
+ true);
+
+ fenceable = (vma->node.size == fence_size &&
+ (vma->node.start & (fence_alignment - 1)) == 0);
+
+ mappable = (vma->node.start + fence_size <=
+ to_i915(obj->base.dev)->gtt.mappable_end);
+
+ obj->map_and_fenceable = mappable && fenceable;
+}
+
static int
i915_gem_object_do_pin(struct drm_i915_gem_object *obj,
struct i915_address_space *vm,
@@ -4147,25 +4222,7 @@ i915_gem_object_do_pin(struct drm_i915_gem_object *obj,
if (ggtt_view && ggtt_view->type == I915_GGTT_VIEW_NORMAL &&
(bound ^ vma->bound) & GLOBAL_BIND) {
- bool mappable, fenceable;
- u32 fence_size, fence_alignment;
-
- fence_size = i915_gem_get_gtt_size(obj->base.dev,
- obj->base.size,
- obj->tiling_mode);
- fence_alignment = i915_gem_get_gtt_alignment(obj->base.dev,
- obj->base.size,
- obj->tiling_mode,
- true);
-
- fenceable = (vma->node.size == fence_size &&
- (vma->node.start & (fence_alignment - 1)) == 0);
-
- mappable = (vma->node.start + fence_size <=
- dev_priv->gtt.mappable_end);
-
- obj->map_and_fenceable = mappable && fenceable;
-
+ __i915_vma_set_map_and_fenceable(vma);
WARN_ON(flags & PIN_MAPPABLE && !obj->map_and_fenceable);
}
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index 43f35d12b677..86c7500454b4 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -2676,6 +2676,7 @@ static int i915_gem_setup_global_gtt(struct drm_device *dev,
return ret;
}
vma->bound |= GLOBAL_BIND;
+ __i915_vma_set_map_and_fenceable(vma);
list_add_tail(&vma->mm_list, &ggtt_vm->inactive_list);
}
diff --git a/drivers/gpu/drm/i915/i915_gem_stolen.c b/drivers/gpu/drm/i915/i915_gem_stolen.c
index cdacf3f5b77a..87e919a06b27 100644
--- a/drivers/gpu/drm/i915/i915_gem_stolen.c
+++ b/drivers/gpu/drm/i915/i915_gem_stolen.c
@@ -687,6 +687,7 @@ i915_gem_object_create_stolen_for_preallocated(struct drm_device *dev,
}
vma->bound |= GLOBAL_BIND;
+ __i915_vma_set_map_and_fenceable(vma);
list_add_tail(&vma->mm_list, &ggtt->inactive_list);
}
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 62211abe4922..beb0374a19f1 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -116,6 +116,7 @@ static void skylake_pfit_enable(struct intel_crtc *crtc);
static void ironlake_pfit_disable(struct intel_crtc *crtc, bool force);
static void ironlake_pfit_enable(struct intel_crtc *crtc);
static void intel_modeset_setup_hw_state(struct drm_device *dev);
+static void intel_pre_disable_primary(struct drm_crtc *crtc);
typedef struct {
int min, max;
@@ -2607,6 +2608,8 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
struct drm_i915_gem_object *obj;
struct drm_plane *primary = intel_crtc->base.primary;
struct drm_plane_state *plane_state = primary->state;
+ struct drm_crtc_state *crtc_state = intel_crtc->base.state;
+ struct intel_plane *intel_plane = to_intel_plane(primary);
struct drm_framebuffer *fb;
if (!plane_config->fb)
@@ -2643,6 +2646,18 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
}
}
+ /*
+ * We've failed to reconstruct the BIOS FB. Current display state
+ * indicates that the primary plane is visible, but has a NULL FB,
+ * which will lead to problems later if we don't fix it up. The
+ * simplest solution is to just disable the primary plane now and
+ * pretend the BIOS never had it enabled.
+ */
+ to_intel_plane_state(plane_state)->visible = false;
+ crtc_state->plane_mask &= ~(1 << drm_plane_index(primary));
+ intel_pre_disable_primary(&intel_crtc->base);
+ intel_plane->disable_plane(primary, &intel_crtc->base);
+
return;
valid_fb:
@@ -9910,14 +9925,14 @@ static bool haswell_get_pipe_config(struct intel_crtc *crtc,
return true;
}
-static void i845_update_cursor(struct drm_crtc *crtc, u32 base)
+static void i845_update_cursor(struct drm_crtc *crtc, u32 base, bool on)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
uint32_t cntl = 0, size = 0;
- if (base) {
+ if (on) {
unsigned int width = intel_crtc->base.cursor->state->crtc_w;
unsigned int height = intel_crtc->base.cursor->state->crtc_h;
unsigned int stride = roundup_pow_of_two(width) * 4;
@@ -9972,16 +9987,15 @@ static void i845_update_cursor(struct drm_crtc *crtc, u32 base)
}
}
-static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base)
+static void i9xx_update_cursor(struct drm_crtc *crtc, u32 base, bool on)
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
int pipe = intel_crtc->pipe;
- uint32_t cntl;
+ uint32_t cntl = 0;
- cntl = 0;
- if (base) {
+ if (on) {
cntl = MCURSOR_GAMMA_ENABLE;
switch (intel_crtc->base.cursor->state->crtc_w) {
case 64:
@@ -10032,18 +10046,17 @@ static void intel_crtc_update_cursor(struct drm_crtc *crtc,
int y = cursor_state->crtc_y;
u32 base = 0, pos = 0;
- if (on)
- base = intel_crtc->cursor_addr;
+ base = intel_crtc->cursor_addr;
if (x >= intel_crtc->config->pipe_src_w)
- base = 0;
+ on = false;
if (y >= intel_crtc->config->pipe_src_h)
- base = 0;
+ on = false;
if (x < 0) {
if (x + cursor_state->crtc_w <= 0)
- base = 0;
+ on = false;
pos |= CURSOR_POS_SIGN << CURSOR_X_SHIFT;
x = -x;
@@ -10052,16 +10065,13 @@ static void intel_crtc_update_cursor(struct drm_crtc *crtc,
if (y < 0) {
if (y + cursor_state->crtc_h <= 0)
- base = 0;
+ on = false;
pos |= CURSOR_POS_SIGN << CURSOR_Y_SHIFT;
y = -y;
}
pos |= y << CURSOR_Y_SHIFT;
- if (base == 0 && intel_crtc->cursor_base == 0)
- return;
-
I915_WRITE(CURPOS(pipe), pos);
/* ILK+ do this automagically */
@@ -10072,9 +10082,9 @@ static void intel_crtc_update_cursor(struct drm_crtc *crtc,
}
if (IS_845G(dev) || IS_I865G(dev))
- i845_update_cursor(crtc, base);
+ i845_update_cursor(crtc, base, on);
else
- i9xx_update_cursor(crtc, base);
+ i9xx_update_cursor(crtc, base, on);
}
static bool cursor_size_ok(struct drm_device *dev,
@@ -13718,6 +13728,7 @@ intel_check_cursor_plane(struct drm_plane *plane,
struct drm_crtc *crtc = crtc_state->base.crtc;
struct drm_framebuffer *fb = state->base.fb;
struct drm_i915_gem_object *obj = intel_fb_obj(fb);
+ enum pipe pipe = to_intel_plane(plane)->pipe;
unsigned stride;
int ret;
@@ -13751,6 +13762,22 @@ intel_check_cursor_plane(struct drm_plane *plane,
return -EINVAL;
}
+ /*
+ * There's something wrong with the cursor on CHV pipe C.
+ * If it straddles the left edge of the screen then
+ * moving it away from the edge or disabling it often
+ * results in a pipe underrun, and often that can lead to
+ * dead pipe (constant underrun reported, and it scans
+ * out just a solid color). To recover from that, the
+ * display power well must be turned off and on again.
+ * Refuse the put the cursor into that compromised position.
+ */
+ if (IS_CHERRYVIEW(plane->dev) && pipe == PIPE_C &&
+ state->visible && state->base.crtc_x < 0) {
+ DRM_DEBUG_KMS("CHV cursor C not allowed to straddle the left screen edge\n");
+ return -EINVAL;
+ }
+
return 0;
}
@@ -13774,9 +13801,6 @@ intel_commit_cursor_plane(struct drm_plane *plane,
crtc = crtc ? crtc : plane->crtc;
intel_crtc = to_intel_crtc(crtc);
- if (intel_crtc->cursor_bo == obj)
- goto update;
-
if (!obj)
addr = 0;
else if (!INTEL_INFO(dev)->cursor_needs_physical)
@@ -13785,9 +13809,7 @@ intel_commit_cursor_plane(struct drm_plane *plane,
addr = obj->phys_handle->busaddr;
intel_crtc->cursor_addr = addr;
- intel_crtc->cursor_bo = obj;
-update:
if (crtc->state->active)
intel_crtc_update_cursor(crtc, state->visible);
}
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index f2a1142bff34..0d00f07b7163 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -550,7 +550,6 @@ struct intel_crtc {
int adjusted_x;
int adjusted_y;
- struct drm_i915_gem_object *cursor_bo;
uint32_t cursor_addr;
uint32_t cursor_cntl;
uint32_t cursor_size;
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 81cdd9ff3892..64086f2d4e26 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1374,17 +1374,18 @@ intel_hdmi_detect(struct drm_connector *connector, bool force)
struct intel_hdmi *intel_hdmi = intel_attached_hdmi(connector);
struct drm_i915_private *dev_priv = to_i915(connector->dev);
bool live_status = false;
- unsigned int retry = 3;
+ unsigned int try;
DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
connector->base.id, connector->name);
intel_display_power_get(dev_priv, POWER_DOMAIN_GMBUS);
- while (!live_status && --retry) {
+ for (try = 0; !live_status && try < 4; try++) {
+ if (try)
+ msleep(10);
live_status = intel_digital_port_connected(dev_priv,
hdmi_to_dig_port(intel_hdmi));
- mdelay(10);
}
if (!live_status)
diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/fan.c b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/fan.c
index 43006db6fd58..80fed7e78dcb 100644
--- a/drivers/gpu/drm/nouveau/nvkm/subdev/bios/fan.c
+++ b/drivers/gpu/drm/nouveau/nvkm/subdev/bios/fan.c
@@ -83,6 +83,7 @@ nvbios_fan_parse(struct nvkm_bios *bios, struct nvbios_therm_fan *fan)
fan->type = NVBIOS_THERM_FAN_UNK;
}
+ fan->fan_mode = NVBIOS_THERM_FAN_LINEAR;
fan->min_duty = nvbios_rd08(bios, data + 0x02);
fan->max_duty = nvbios_rd08(bios, data + 0x03);
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 8f59f057cdf4..80a73bfc1a65 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -1217,6 +1217,7 @@ config SENSORS_PWM_FAN
config SENSORS_SHT15
tristate "Sensiron humidity and temperature sensors. SHT15 and compat."
depends on GPIOLIB || COMPILE_TEST
+ select BITREVERSE
help
If you say yes here you get support for the Sensiron SHT10, SHT11,
SHT15, SHT71, SHT75 humidity and temperature sensors.
diff --git a/drivers/hwmon/tmp102.c b/drivers/hwmon/tmp102.c
index 65482624ea2c..5289aa0980a8 100644
--- a/drivers/hwmon/tmp102.c
+++ b/drivers/hwmon/tmp102.c
@@ -58,6 +58,7 @@ struct tmp102 {
u16 config_orig;
unsigned long last_update;
int temp[3];
+ bool first_time;
};
/* convert left adjusted 13-bit TMP102 register value to milliCelsius */
@@ -93,6 +94,7 @@ static struct tmp102 *tmp102_update_device(struct device *dev)
tmp102->temp[i] = tmp102_reg_to_mC(status);
}
tmp102->last_update = jiffies;
+ tmp102->first_time = false;
}
mutex_unlock(&tmp102->lock);
return tmp102;
@@ -102,6 +104,12 @@ static int tmp102_read_temp(void *dev, int *temp)
{
struct tmp102 *tmp102 = tmp102_update_device(dev);
+ /* Is it too early even to return a conversion? */
+ if (tmp102->first_time) {
+ dev_dbg(dev, "%s: Conversion not ready yet..\n", __func__);
+ return -EAGAIN;
+ }
+
*temp = tmp102->temp[0];
return 0;
@@ -114,6 +122,10 @@ static ssize_t tmp102_show_temp(struct device *dev,
struct sensor_device_attribute *sda = to_sensor_dev_attr(attr);
struct tmp102 *tmp102 = tmp102_update_device(dev);
+ /* Is it too early even to return a read? */
+ if (tmp102->first_time)
+ return -EAGAIN;
+
return sprintf(buf, "%d\n", tmp102->temp[sda->index]);
}
@@ -207,7 +219,9 @@ static int tmp102_probe(struct i2c_client *client,
status = -ENODEV;
goto fail_restore_config;
}
- tmp102->last_update = jiffies - HZ;
+ tmp102->last_update = jiffies;
+ /* Mark that we are not ready with data until conversion is complete */
+ tmp102->first_time = true;
mutex_init(&tmp102->lock);
hwmon_dev = hwmon_device_register_with_groups(dev, client->name,
diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
index c5628a42170a..a8bdcb5292f5 100644
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -202,8 +202,15 @@ static void i2c_davinci_calc_clk_dividers(struct davinci_i2c_dev *dev)
* d is always 6 on Keystone I2C controller
*/
- /* get minimum of 7 MHz clock, but max of 12 MHz */
- psc = (input_clock / 7000000) - 1;
+ /*
+ * Both Davinci and current Keystone User Guides recommend a value
+ * between 7MHz and 12MHz. In reality 7MHz module clock doesn't
+ * always produce enough margin between SDA and SCL transitions.
+ * Measurements show that the higher the module clock is, the
+ * bigger is the margin, providing more reliable communication.
+ * So we better target for 12MHz.
+ */
+ psc = (input_clock / 12000000) - 1;
if ((input_clock / (psc + 1)) > 12000000)
psc++; /* better to run under spec than over */
d = (psc >= 2) ? 5 : 7 - psc;
diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c
index 8c48b27ba059..de7fbbb374cd 100644
--- a/drivers/i2c/busses/i2c-designware-core.c
+++ b/drivers/i2c/busses/i2c-designware-core.c
@@ -813,6 +813,12 @@ static irqreturn_t i2c_dw_isr(int this_irq, void *dev_id)
tx_aborted:
if ((stat & (DW_IC_INTR_TX_ABRT | DW_IC_INTR_STOP_DET)) || dev->msg_err)
complete(&dev->cmd_complete);
+ else if (unlikely(dev->accessor_flags & ACCESS_INTR_MASK)) {
+ /* workaround to trigger pending interrupt */
+ stat = dw_readl(dev, DW_IC_INTR_MASK);
+ i2c_dw_disable_int(dev);
+ dw_writel(dev, stat, DW_IC_INTR_MASK);
+ }
return IRQ_HANDLED;
}
diff --git a/drivers/i2c/busses/i2c-designware-core.h b/drivers/i2c/busses/i2c-designware-core.h
index 1d50898e7b24..9ffb63a60f95 100644
--- a/drivers/i2c/busses/i2c-designware-core.h
+++ b/drivers/i2c/busses/i2c-designware-core.h
@@ -111,6 +111,7 @@ struct dw_i2c_dev {
#define ACCESS_SWAP 0x00000001
#define ACCESS_16BIT 0x00000002
+#define ACCESS_INTR_MASK 0x00000004
extern int i2c_dw_init(struct dw_i2c_dev *dev);
extern void i2c_dw_disable(struct dw_i2c_dev *dev);
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 809579ecb5a4..6b00061c3746 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -93,6 +93,7 @@ static void dw_i2c_acpi_params(struct platform_device *pdev, char method[],
static int dw_i2c_acpi_configure(struct platform_device *pdev)
{
struct dw_i2c_dev *dev = platform_get_drvdata(pdev);
+ const struct acpi_device_id *id;
dev->adapter.nr = -1;
dev->tx_fifo_depth = 32;
@@ -106,6 +107,10 @@ static int dw_i2c_acpi_configure(struct platform_device *pdev)
dw_i2c_acpi_params(pdev, "FMCN", &dev->fs_hcnt, &dev->fs_lcnt,
&dev->sda_hold_time);
+ id = acpi_match_device(pdev->dev.driver->acpi_match_table, &pdev->dev);
+ if (id && id->driver_data)
+ dev->accessor_flags |= (u32)id->driver_data;
+
return 0;
}
@@ -116,7 +121,7 @@ static const struct acpi_device_id dw_i2c_acpi_match[] = {
{ "INT3433", 0 },
{ "80860F41", 0 },
{ "808622C1", 0 },
- { "AMD0010", 0 },
+ { "AMD0010", ACCESS_INTR_MASK },
{ }
};
MODULE_DEVICE_TABLE(acpi, dw_i2c_acpi_match);
@@ -240,12 +245,10 @@ static int dw_i2c_plat_probe(struct platform_device *pdev)
}
r = i2c_dw_probe(dev);
- if (r) {
+ if (r && !dev->pm_runtime_disabled)
pm_runtime_disable(&pdev->dev);
- return r;
- }
- return 0;
+ return r;
}
static int dw_i2c_plat_remove(struct platform_device *pdev)
@@ -260,7 +263,8 @@ static int dw_i2c_plat_remove(struct platform_device *pdev)
pm_runtime_dont_use_autosuspend(&pdev->dev);
pm_runtime_put_sync(&pdev->dev);
- pm_runtime_disable(&pdev->dev);
+ if (!dev->pm_runtime_disabled)
+ pm_runtime_disable(&pdev->dev);
return 0;
}
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 9bb0b056b25f..d4d853680ae4 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -1119,6 +1119,8 @@ static int i2c_imx_probe(struct platform_device *pdev)
i2c_imx, IMX_I2C_I2CR);
imx_i2c_write_reg(i2c_imx->hwdata->i2sr_clr_opcode, i2c_imx, IMX_I2C_I2SR);
+ i2c_imx_init_recovery_info(i2c_imx, pdev);
+
/* Add I2C adapter */
ret = i2c_add_numbered_adapter(&i2c_imx->adapter);
if (ret < 0) {
@@ -1126,8 +1128,6 @@ static int i2c_imx_probe(struct platform_device *pdev)
goto clk_disable;
}
- i2c_imx_init_recovery_info(i2c_imx, pdev);
-
/* Set up platform driver data */
platform_set_drvdata(pdev, i2c_imx);
clk_disable_unprepare(i2c_imx->clk);
diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c
index 5801227b97ab..43207f52e5a3 100644
--- a/drivers/i2c/busses/i2c-mv64xxx.c
+++ b/drivers/i2c/busses/i2c-mv64xxx.c
@@ -146,6 +146,8 @@ struct mv64xxx_i2c_data {
bool errata_delay;
struct reset_control *rstc;
bool irq_clear_inverted;
+ /* Clk div is 2 to the power n, not 2 to the power n + 1 */
+ bool clk_n_base_0;
};
static struct mv64xxx_i2c_regs mv64xxx_i2c_regs_mv64xxx = {
@@ -757,25 +759,29 @@ MODULE_DEVICE_TABLE(of, mv64xxx_i2c_of_match_table);
#ifdef CONFIG_OF
#ifdef CONFIG_HAVE_CLK
static int
-mv64xxx_calc_freq(const int tclk, const int n, const int m)
+mv64xxx_calc_freq(struct mv64xxx_i2c_data *drv_data,
+ const int tclk, const int n, const int m)
{
- return tclk / (10 * (m + 1) * (2 << n));
+ if (drv_data->clk_n_base_0)
+ return tclk / (10 * (m + 1) * (1 << n));
+ else
+ return tclk / (10 * (m + 1) * (2 << n));
}
static bool
-mv64xxx_find_baud_factors(const u32 req_freq, const u32 tclk, u32 *best_n,
- u32 *best_m)
+mv64xxx_find_baud_factors(struct mv64xxx_i2c_data *drv_data,
+ const u32 req_freq, const u32 tclk)
{
int freq, delta, best_delta = INT_MAX;
int m, n;
for (n = 0; n <= 7; n++)
for (m = 0; m <= 15; m++) {
- freq = mv64xxx_calc_freq(tclk, n, m);
+ freq = mv64xxx_calc_freq(drv_data, tclk, n, m);
delta = req_freq - freq;
if (delta >= 0 && delta < best_delta) {
- *best_m = m;
- *best_n = n;
+ drv_data->freq_m = m;
+ drv_data->freq_n = n;
best_delta = delta;
}
if (best_delta == 0)
@@ -813,8 +819,11 @@ mv64xxx_of_config(struct mv64xxx_i2c_data *drv_data,
if (of_property_read_u32(np, "clock-frequency", &bus_freq))
bus_freq = 100000; /* 100kHz by default */
- if (!mv64xxx_find_baud_factors(bus_freq, tclk,
- &drv_data->freq_n, &drv_data->freq_m)) {
+ if (of_device_is_compatible(np, "allwinner,sun4i-a10-i2c") ||
+ of_device_is_compatible(np, "allwinner,sun6i-a31-i2c"))
+ drv_data->clk_n_base_0 = true;
+
+ if (!mv64xxx_find_baud_factors(drv_data, bus_freq, tclk)) {
rc = -EINVAL;
goto out;
}
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index b0ae560b38c3..599c0d7bd906 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -576,7 +576,7 @@ static int rcar_reg_slave(struct i2c_client *slave)
if (slave->flags & I2C_CLIENT_TEN)
return -EAFNOSUPPORT;
- pm_runtime_forbid(rcar_i2c_priv_to_dev(priv));
+ pm_runtime_get_sync(rcar_i2c_priv_to_dev(priv));
priv->slave = slave;
rcar_i2c_write(priv, ICSAR, slave->addr);
@@ -598,7 +598,7 @@ static int rcar_unreg_slave(struct i2c_client *slave)
priv->slave = NULL;
- pm_runtime_allow(rcar_i2c_priv_to_dev(priv));
+ pm_runtime_put(rcar_i2c_priv_to_dev(priv));
return 0;
}
diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index c1935ebd6a9c..9096d17beb5b 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -908,7 +908,7 @@ static int rk3x_i2c_probe(struct platform_device *pdev)
&i2c->scl_fall_ns))
i2c->scl_fall_ns = 300;
if (of_property_read_u32(pdev->dev.of_node, "i2c-sda-falling-time-ns",
- &i2c->scl_fall_ns))
+ &i2c->sda_fall_ns))
i2c->sda_fall_ns = i2c->scl_fall_ns;
strlcpy(i2c->adap.name, "rk3x-i2c", sizeof(i2c->adap.name));
diff --git a/drivers/i2c/busses/i2c-st.c b/drivers/i2c/busses/i2c-st.c
index ea72dca32fdf..25020ec777c9 100644
--- a/drivers/i2c/busses/i2c-st.c
+++ b/drivers/i2c/busses/i2c-st.c
@@ -822,7 +822,7 @@ static int st_i2c_probe(struct platform_device *pdev)
adap = &i2c_dev->adap;
i2c_set_adapdata(adap, i2c_dev);
- snprintf(adap->name, sizeof(adap->name), "ST I2C(0x%pa)", &res->start);
+ snprintf(adap->name, sizeof(adap->name), "ST I2C(%pa)", &res->start);
adap->owner = THIS_MODULE;
adap->timeout = 2 * HZ;
adap->retries = 0;
diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index d2d5d004f16d..2d762a2ecd81 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -1265,15 +1265,17 @@ static bool cma_protocol_roce(const struct rdma_cm_id *id)
return cma_protocol_roce_dev_port(device, port_num);
}
-static bool cma_match_net_dev(const struct rdma_id_private *id_priv,
- const struct net_device *net_dev)
+static bool cma_match_net_dev(const struct rdma_cm_id *id,
+ const struct net_device *net_dev,
+ u8 port_num)
{
- const struct rdma_addr *addr = &id_priv->id.route.addr;
+ const struct rdma_addr *addr = &id->route.addr;
if (!net_dev)
/* This request is an AF_IB request or a RoCE request */
- return addr->src_addr.ss_family == AF_IB ||
- cma_protocol_roce(&id_priv->id);
+ return (!id->port_num || id->port_num == port_num) &&
+ (addr->src_addr.ss_family == AF_IB ||
+ cma_protocol_roce_dev_port(id->device, port_num));
return !addr->dev_addr.bound_dev_if ||
(net_eq(dev_net(net_dev), addr->dev_addr.net) &&
@@ -1295,13 +1297,13 @@ static struct rdma_id_private *cma_find_listener(
hlist_for_each_entry(id_priv, &bind_list->owners, node) {
if (cma_match_private_data(id_priv, ib_event->private_data)) {
if (id_priv->id.device == cm_id->device &&
- cma_match_net_dev(id_priv, net_dev))
+ cma_match_net_dev(&id_priv->id, net_dev, req->port))
return id_priv;
list_for_each_entry(id_priv_dev,
&id_priv->listen_list,
listen_list) {
if (id_priv_dev->id.device == cm_id->device &&
- cma_match_net_dev(id_priv_dev, net_dev))
+ cma_match_net_dev(&id_priv_dev->id, net_dev, req->port))
return id_priv_dev;
}
}
diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c
index 8d133c40fa0e..c394376ebe06 100644
--- a/drivers/infiniband/hw/mlx4/srq.c
+++ b/drivers/infiniband/hw/mlx4/srq.c
@@ -286,7 +286,7 @@ int mlx4_ib_destroy_srq(struct ib_srq *srq)
mlx4_ib_db_unmap_user(to_mucontext(srq->uobject->context), &msrq->db);
ib_umem_release(msrq->umem);
} else {
- kfree(msrq->wrid);
+ kvfree(msrq->wrid);
mlx4_buf_free(dev->dev, msrq->msrq.max << msrq->msrq.wqe_shift,
&msrq->buf);
mlx4_db_free(dev->dev, &msrq->db);
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma.h b/drivers/infiniband/hw/ocrdma/ocrdma.h
index ae80590aabdf..040bb8b5cb15 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma.h
@@ -232,6 +232,10 @@ struct phy_info {
u16 interface_type;
};
+enum ocrdma_flags {
+ OCRDMA_FLAGS_LINK_STATUS_INIT = 0x01
+};
+
struct ocrdma_dev {
struct ib_device ibdev;
struct ocrdma_dev_attr attr;
@@ -287,6 +291,7 @@ struct ocrdma_dev {
atomic_t update_sl;
u16 pvid;
u32 asic_id;
+ u32 flags;
ulong last_stats_time;
struct mutex stats_lock; /* provide synch for debugfs operations */
@@ -591,4 +596,9 @@ static inline u8 ocrdma_is_enabled_and_synced(u32 state)
(state & OCRDMA_STATE_FLAG_SYNC);
}
+static inline u8 ocrdma_get_ae_link_state(u32 ae_state)
+{
+ return ((ae_state & OCRDMA_AE_LSC_LS_MASK) >> OCRDMA_AE_LSC_LS_SHIFT);
+}
+
#endif
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
index 30f67bebffa3..283ca842ff74 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
@@ -579,6 +579,8 @@ static int ocrdma_mbx_create_mq(struct ocrdma_dev *dev,
cmd->async_event_bitmap = BIT(OCRDMA_ASYNC_GRP5_EVE_CODE);
cmd->async_event_bitmap |= BIT(OCRDMA_ASYNC_RDMA_EVE_CODE);
+ /* Request link events on this MQ. */
+ cmd->async_event_bitmap |= BIT(OCRDMA_ASYNC_LINK_EVE_CODE);
cmd->async_cqid_ringsize = cq->id;
cmd->async_cqid_ringsize |= (ocrdma_encoded_q_len(mq->len) <<
@@ -819,20 +821,42 @@ static void ocrdma_process_grp5_aync(struct ocrdma_dev *dev,
}
}
+static void ocrdma_process_link_state(struct ocrdma_dev *dev,
+ struct ocrdma_ae_mcqe *cqe)
+{
+ struct ocrdma_ae_lnkst_mcqe *evt;
+ u8 lstate;
+
+ evt = (struct ocrdma_ae_lnkst_mcqe *)cqe;
+ lstate = ocrdma_get_ae_link_state(evt->speed_state_ptn);
+
+ if (!(lstate & OCRDMA_AE_LSC_LLINK_MASK))
+ return;
+
+ if (dev->flags & OCRDMA_FLAGS_LINK_STATUS_INIT)
+ ocrdma_update_link_state(dev, (lstate & OCRDMA_LINK_ST_MASK));
+}
+
static void ocrdma_process_acqe(struct ocrdma_dev *dev, void *ae_cqe)
{
/* async CQE processing */
struct ocrdma_ae_mcqe *cqe = ae_cqe;
u32 evt_code = (cqe->valid_ae_event & OCRDMA_AE_MCQE_EVENT_CODE_MASK) >>
OCRDMA_AE_MCQE_EVENT_CODE_SHIFT;
-
- if (evt_code == OCRDMA_ASYNC_RDMA_EVE_CODE)
+ switch (evt_code) {
+ case OCRDMA_ASYNC_LINK_EVE_CODE:
+ ocrdma_process_link_state(dev, cqe);
+ break;
+ case OCRDMA_ASYNC_RDMA_EVE_CODE:
ocrdma_dispatch_ibevent(dev, cqe);
- else if (evt_code == OCRDMA_ASYNC_GRP5_EVE_CODE)
+ break;
+ case OCRDMA_ASYNC_GRP5_EVE_CODE:
ocrdma_process_grp5_aync(dev, cqe);
- else
+ break;
+ default:
pr_err("%s(%d) invalid evt code=0x%x\n", __func__,
dev->id, evt_code);
+ }
}
static void ocrdma_process_mcqe(struct ocrdma_dev *dev, struct ocrdma_mcqe *cqe)
@@ -1363,7 +1387,8 @@ mbx_err:
return status;
}
-int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed)
+int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed,
+ u8 *lnk_state)
{
int status = -ENOMEM;
struct ocrdma_get_link_speed_rsp *rsp;
@@ -1384,8 +1409,11 @@ int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed)
goto mbx_err;
rsp = (struct ocrdma_get_link_speed_rsp *)cmd;
- *lnk_speed = (rsp->pflt_pps_ld_pnum & OCRDMA_PHY_PS_MASK)
- >> OCRDMA_PHY_PS_SHIFT;
+ if (lnk_speed)
+ *lnk_speed = (rsp->pflt_pps_ld_pnum & OCRDMA_PHY_PS_MASK)
+ >> OCRDMA_PHY_PS_SHIFT;
+ if (lnk_state)
+ *lnk_state = (rsp->res_lnk_st & OCRDMA_LINK_ST_MASK);
mbx_err:
kfree(cmd);
@@ -2515,9 +2543,10 @@ static int ocrdma_set_av_params(struct ocrdma_qp *qp,
ocrdma_cpu_to_le32(&cmd->params.sgid[0], sizeof(cmd->params.sgid));
cmd->params.vlan_dmac_b4_to_b5 = mac_addr[4] | (mac_addr[5] << 8);
- if (vlan_id < 0x1000) {
- if (dev->pfc_state) {
- vlan_id = 0;
+ if (vlan_id == 0xFFFF)
+ vlan_id = 0;
+ if (vlan_id || dev->pfc_state) {
+ if (!vlan_id) {
pr_err("ocrdma%d:Using VLAN with PFC is recommended\n",
dev->id);
pr_err("ocrdma%d:Using VLAN 0 for this connection\n",
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h
index 7ed885c1851e..ebc1f442aec3 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h
@@ -106,7 +106,8 @@ void ocrdma_ring_cq_db(struct ocrdma_dev *, u16 cq_id, bool armed,
bool solicited, u16 cqe_popped);
/* verbs specific mailbox commands */
-int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed);
+int ocrdma_mbx_get_link_speed(struct ocrdma_dev *dev, u8 *lnk_speed,
+ u8 *lnk_st);
int ocrdma_query_config(struct ocrdma_dev *,
struct ocrdma_mbx_query_config *config);
@@ -153,5 +154,6 @@ char *port_speed_string(struct ocrdma_dev *dev);
void ocrdma_init_service_level(struct ocrdma_dev *);
void ocrdma_alloc_pd_pool(struct ocrdma_dev *dev);
void ocrdma_free_pd_range(struct ocrdma_dev *dev);
+void ocrdma_update_link_state(struct ocrdma_dev *dev, u8 lstate);
#endif /* __OCRDMA_HW_H__ */
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
index 62b7009daa6c..3afb40b85159 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
@@ -290,6 +290,7 @@ static void ocrdma_remove_sysfiles(struct ocrdma_dev *dev)
static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info)
{
int status = 0, i;
+ u8 lstate = 0;
struct ocrdma_dev *dev;
dev = (struct ocrdma_dev *)ib_alloc_device(sizeof(struct ocrdma_dev));
@@ -319,6 +320,11 @@ static struct ocrdma_dev *ocrdma_add(struct be_dev_info *dev_info)
if (status)
goto alloc_err;
+ /* Query Link state and update */
+ status = ocrdma_mbx_get_link_speed(dev, NULL, &lstate);
+ if (!status)
+ ocrdma_update_link_state(dev, lstate);
+
for (i = 0; i < ARRAY_SIZE(ocrdma_attributes); i++)
if (device_create_file(&dev->ibdev.dev, ocrdma_attributes[i]))
goto sysfs_err;
@@ -373,7 +379,7 @@ static void ocrdma_remove(struct ocrdma_dev *dev)
ocrdma_remove_free(dev);
}
-static int ocrdma_open(struct ocrdma_dev *dev)
+static int ocrdma_dispatch_port_active(struct ocrdma_dev *dev)
{
struct ib_event port_event;
@@ -384,32 +390,9 @@ static int ocrdma_open(struct ocrdma_dev *dev)
return 0;
}
-static int ocrdma_close(struct ocrdma_dev *dev)
+static int ocrdma_dispatch_port_error(struct ocrdma_dev *dev)
{
- int i;
- struct ocrdma_qp *qp, **cur_qp;
struct ib_event err_event;
- struct ib_qp_attr attrs;
- int attr_mask = IB_QP_STATE;
-
- attrs.qp_state = IB_QPS_ERR;
- mutex_lock(&dev->dev_lock);
- if (dev->qp_tbl) {
- cur_qp = dev->qp_tbl;
- for (i = 0; i < OCRDMA_MAX_QP; i++) {
- qp = cur_qp[i];
- if (qp && qp->ibqp.qp_type != IB_QPT_GSI) {
- /* change the QP state to ERROR */
- _ocrdma_modify_qp(&qp->ibqp, &attrs, attr_mask);
-
- err_event.event = IB_EVENT_QP_FATAL;
- err_event.element.qp = &qp->ibqp;
- err_event.device = &dev->ibdev;
- ib_dispatch_event(&err_event);
- }
- }
- }
- mutex_unlock(&dev->dev_lock);
err_event.event = IB_EVENT_PORT_ERR;
err_event.element.port_num = 1;
@@ -420,7 +403,7 @@ static int ocrdma_close(struct ocrdma_dev *dev)
static void ocrdma_shutdown(struct ocrdma_dev *dev)
{
- ocrdma_close(dev);
+ ocrdma_dispatch_port_error(dev);
ocrdma_remove(dev);
}
@@ -431,18 +414,28 @@ static void ocrdma_shutdown(struct ocrdma_dev *dev)
static void ocrdma_event_handler(struct ocrdma_dev *dev, u32 event)
{
switch (event) {
- case BE_DEV_UP:
- ocrdma_open(dev);
- break;
- case BE_DEV_DOWN:
- ocrdma_close(dev);
- break;
case BE_DEV_SHUTDOWN:
ocrdma_shutdown(dev);
break;
+ default:
+ break;
}
}
+void ocrdma_update_link_state(struct ocrdma_dev *dev, u8 lstate)
+{
+ if (!(dev->flags & OCRDMA_FLAGS_LINK_STATUS_INIT)) {
+ dev->flags |= OCRDMA_FLAGS_LINK_STATUS_INIT;
+ if (!lstate)
+ return;
+ }
+
+ if (!lstate)
+ ocrdma_dispatch_port_error(dev);
+ else
+ ocrdma_dispatch_port_active(dev);
+}
+
static struct ocrdma_driver ocrdma_drv = {
.name = "ocrdma_driver",
.add = ocrdma_add,
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
index 6a38268bbe9f..99dd6fdf06d7 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
@@ -465,8 +465,11 @@ struct ocrdma_ae_qp_mcqe {
u32 valid_ae_event;
};
-#define OCRDMA_ASYNC_RDMA_EVE_CODE 0x14
-#define OCRDMA_ASYNC_GRP5_EVE_CODE 0x5
+enum ocrdma_async_event_code {
+ OCRDMA_ASYNC_LINK_EVE_CODE = 0x01,
+ OCRDMA_ASYNC_GRP5_EVE_CODE = 0x05,
+ OCRDMA_ASYNC_RDMA_EVE_CODE = 0x14
+};
enum ocrdma_async_grp5_events {
OCRDMA_ASYNC_EVENT_QOS_VALUE = 0x01,
@@ -489,6 +492,44 @@ enum OCRDMA_ASYNC_EVENT_TYPE {
OCRDMA_MAX_ASYNC_ERRORS
};
+struct ocrdma_ae_lnkst_mcqe {
+ u32 speed_state_ptn;
+ u32 qos_reason_falut;
+ u32 evt_tag;
+ u32 valid_ae_event;
+};
+
+enum {
+ OCRDMA_AE_LSC_PORT_NUM_MASK = 0x3F,
+ OCRDMA_AE_LSC_PT_SHIFT = 0x06,
+ OCRDMA_AE_LSC_PT_MASK = (0x03 <<
+ OCRDMA_AE_LSC_PT_SHIFT),
+ OCRDMA_AE_LSC_LS_SHIFT = 0x08,
+ OCRDMA_AE_LSC_LS_MASK = (0xFF <<
+ OCRDMA_AE_LSC_LS_SHIFT),
+ OCRDMA_AE_LSC_LD_SHIFT = 0x10,
+ OCRDMA_AE_LSC_LD_MASK = (0xFF <<
+ OCRDMA_AE_LSC_LD_SHIFT),
+ OCRDMA_AE_LSC_PPS_SHIFT = 0x18,
+ OCRDMA_AE_LSC_PPS_MASK = (0xFF <<
+ OCRDMA_AE_LSC_PPS_SHIFT),
+ OCRDMA_AE_LSC_PPF_MASK = 0xFF,
+ OCRDMA_AE_LSC_ER_SHIFT = 0x08,
+ OCRDMA_AE_LSC_ER_MASK = (0xFF <<
+ OCRDMA_AE_LSC_ER_SHIFT),
+ OCRDMA_AE_LSC_QOS_SHIFT = 0x10,
+ OCRDMA_AE_LSC_QOS_MASK = (0xFFFF <<
+ OCRDMA_AE_LSC_QOS_SHIFT)
+};
+
+enum {
+ OCRDMA_AE_LSC_PLINK_DOWN = 0x00,
+ OCRDMA_AE_LSC_PLINK_UP = 0x01,
+ OCRDMA_AE_LSC_LLINK_DOWN = 0x02,
+ OCRDMA_AE_LSC_LLINK_MASK = 0x02,
+ OCRDMA_AE_LSC_LLINK_UP = 0x03
+};
+
/* mailbox command request and responses */
enum {
OCRDMA_MBX_QUERY_CFG_CQ_OVERFLOW_SHIFT = 2,
@@ -676,7 +717,7 @@ enum {
OCRDMA_PHY_PFLT_SHIFT = 0x18,
OCRDMA_QOS_LNKSP_MASK = 0xFFFF0000,
OCRDMA_QOS_LNKSP_SHIFT = 0x10,
- OCRDMA_LLST_MASK = 0xFF,
+ OCRDMA_LINK_ST_MASK = 0x01,
OCRDMA_PLFC_MASK = 0x00000400,
OCRDMA_PLFC_SHIFT = 0x8,
OCRDMA_PLRFC_MASK = 0x00000200,
@@ -691,7 +732,7 @@ struct ocrdma_get_link_speed_rsp {
u32 pflt_pps_ld_pnum;
u32 qos_lsp;
- u32 res_lls;
+ u32 res_lnk_st;
};
enum {
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index 583001bcfb8f..76e96f97b3f6 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -171,7 +171,7 @@ static inline void get_link_speed_and_width(struct ocrdma_dev *dev,
int status;
u8 speed;
- status = ocrdma_mbx_get_link_speed(dev, &speed);
+ status = ocrdma_mbx_get_link_speed(dev, &speed, NULL);
if (status)
speed = OCRDMA_PHYS_LINK_SPEED_ZERO;
diff --git a/drivers/input/joystick/db9.c b/drivers/input/joystick/db9.c
index 932d07307454..da326090c2b0 100644
--- a/drivers/input/joystick/db9.c
+++ b/drivers/input/joystick/db9.c
@@ -592,6 +592,7 @@ static void db9_attach(struct parport *pp)
return;
}
+ memset(&db9_parport_cb, 0, sizeof(db9_parport_cb));
db9_parport_cb.flags = PARPORT_FLAG_EXCL;
pd = parport_register_dev_model(pp, "db9", &db9_parport_cb, port_idx);
diff --git a/drivers/input/joystick/gamecon.c b/drivers/input/joystick/gamecon.c
index 5a672dcac0d8..eae14d512353 100644
--- a/drivers/input/joystick/gamecon.c
+++ b/drivers/input/joystick/gamecon.c
@@ -951,6 +951,7 @@ static void gc_attach(struct parport *pp)
pads = gc_cfg[port_idx].args + 1;
n_pads = gc_cfg[port_idx].nargs - 1;
+ memset(&gc_parport_cb, 0, sizeof(gc_parport_cb));
gc_parport_cb.flags = PARPORT_FLAG_EXCL;
pd = parport_register_dev_model(pp, "gamecon", &gc_parport_cb,
diff --git a/drivers/input/joystick/turbografx.c b/drivers/input/joystick/turbografx.c
index 9f5bca26bd2f..77f575dd0901 100644
--- a/drivers/input/joystick/turbografx.c
+++ b/drivers/input/joystick/turbografx.c
@@ -181,6 +181,7 @@ static void tgfx_attach(struct parport *pp)
n_buttons = tgfx_cfg[port_idx].args + 1;
n_devs = tgfx_cfg[port_idx].nargs - 1;
+ memset(&tgfx_parport_cb, 0, sizeof(tgfx_parport_cb));
tgfx_parport_cb.flags = PARPORT_FLAG_EXCL;
pd = parport_register_dev_model(pp, "turbografx", &tgfx_parport_cb,
diff --git a/drivers/input/joystick/walkera0701.c b/drivers/input/joystick/walkera0701.c
index 9c07fe911075..70a893a17467 100644
--- a/drivers/input/joystick/walkera0701.c
+++ b/drivers/input/joystick/walkera0701.c
@@ -218,6 +218,7 @@ static void walkera0701_attach(struct parport *pp)
w->parport = pp;
+ memset(&walkera0701_parport_cb, 0, sizeof(walkera0701_parport_cb));
walkera0701_parport_cb.flags = PARPORT_FLAG_EXCL;
walkera0701_parport_cb.irq_func = walkera0701_irq_handler;
walkera0701_parport_cb.private = w;
diff --git a/drivers/input/misc/arizona-haptics.c b/drivers/input/misc/arizona-haptics.c
index 4bf678541496..d5994a745ffa 100644
--- a/drivers/input/misc/arizona-haptics.c
+++ b/drivers/input/misc/arizona-haptics.c
@@ -97,8 +97,7 @@ static void arizona_haptics_work(struct work_struct *work)
ret = regmap_update_bits(arizona->regmap,
ARIZONA_HAPTICS_CONTROL_1,
- ARIZONA_HAP_CTRL_MASK,
- 1 << ARIZONA_HAP_CTRL_SHIFT);
+ ARIZONA_HAP_CTRL_MASK, 0);
if (ret != 0) {
dev_err(arizona->dev, "Failed to stop haptics: %d\n",
ret);
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 5e1665bbaa0b..2f589857a039 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -41,6 +41,7 @@
#define DRIVER_NAME "elan_i2c"
#define ELAN_DRIVER_VERSION "1.6.1"
+#define ELAN_VENDOR_ID 0x04f3
#define ETP_MAX_PRESSURE 255
#define ETP_FWIDTH_REDUCE 90
#define ETP_FINGER_WIDTH 15
@@ -914,6 +915,8 @@ static int elan_setup_input_device(struct elan_tp_data *data)
input->name = "Elan Touchpad";
input->id.bustype = BUS_I2C;
+ input->id.vendor = ELAN_VENDOR_ID;
+ input->id.product = data->product_id;
input_set_drvdata(input, data);
error = input_mt_init_slots(input, ETP_MAX_FINGERS,
diff --git a/drivers/input/serio/parkbd.c b/drivers/input/serio/parkbd.c
index 92c31b8f8fb4..1edfac78d4ac 100644
--- a/drivers/input/serio/parkbd.c
+++ b/drivers/input/serio/parkbd.c
@@ -145,6 +145,7 @@ static int parkbd_getport(struct parport *pp)
{
struct pardev_cb parkbd_parport_cb;
+ memset(&parkbd_parport_cb, 0, sizeof(parkbd_parport_cb));
parkbd_parport_cb.irq_func = parkbd_interrupt;
parkbd_parport_cb.flags = PARPORT_FLAG_EXCL;
diff --git a/drivers/input/tablet/aiptek.c b/drivers/input/tablet/aiptek.c
index e7f966da6efa..78ca44840d60 100644
--- a/drivers/input/tablet/aiptek.c
+++ b/drivers/input/tablet/aiptek.c
@@ -1819,6 +1819,14 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
input_set_abs_params(inputdev, ABS_TILT_Y, AIPTEK_TILT_MIN, AIPTEK_TILT_MAX, 0, 0);
input_set_abs_params(inputdev, ABS_WHEEL, AIPTEK_WHEEL_MIN, AIPTEK_WHEEL_MAX - 1, 0, 0);
+ /* Verify that a device really has an endpoint */
+ if (intf->altsetting[0].desc.bNumEndpoints < 1) {
+ dev_err(&intf->dev,
+ "interface has %d endpoints, but must have minimum 1\n",
+ intf->altsetting[0].desc.bNumEndpoints);
+ err = -EINVAL;
+ goto fail3;
+ }
endpoint = &intf->altsetting[0].endpoint[0].desc;
/* Go set up our URB, which is called when the tablet receives
@@ -1861,6 +1869,7 @@ aiptek_probe(struct usb_interface *intf, const struct usb_device_id *id)
if (i == ARRAY_SIZE(speeds)) {
dev_info(&intf->dev,
"Aiptek tried all speeds, no sane response\n");
+ err = -EINVAL;
goto fail3;
}
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index c5622058c22b..2d5794ec338b 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -2487,6 +2487,31 @@ static struct mxt_acpi_platform_data samus_platform_data[] = {
{ }
};
+static unsigned int chromebook_tp_buttons[] = {
+ KEY_RESERVED,
+ KEY_RESERVED,
+ KEY_RESERVED,
+ KEY_RESERVED,
+ KEY_RESERVED,
+ BTN_LEFT
+};
+
+static struct mxt_acpi_platform_data chromebook_platform_data[] = {
+ {
+ /* Touchpad */
+ .hid = "ATML0000",
+ .pdata = {
+ .t19_num_keys = ARRAY_SIZE(chromebook_tp_buttons),
+ .t19_keymap = chromebook_tp_buttons,
+ },
+ },
+ {
+ /* Touchscreen */
+ .hid = "ATML0001",
+ },
+ { }
+};
+
static const struct dmi_system_id mxt_dmi_table[] = {
{
/* 2015 Google Pixel */
@@ -2497,6 +2522,14 @@ static const struct dmi_system_id mxt_dmi_table[] = {
},
.driver_data = samus_platform_data,
},
+ {
+ /* Other Google Chromebooks */
+ .ident = "Chromebook",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"),
+ },
+ .driver_data = chromebook_platform_data,
+ },
{ }
};
@@ -2701,6 +2734,7 @@ static const struct i2c_device_id mxt_id[] = {
{ "qt602240_ts", 0 },
{ "atmel_mxt_ts", 0 },
{ "atmel_mxt_tp", 0 },
+ { "maxtouch", 0 },
{ "mXT224", 0 },
{ }
};
diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c
index 17cc20ef4923..ac09855fa435 100644
--- a/drivers/input/touchscreen/elants_i2c.c
+++ b/drivers/input/touchscreen/elants_i2c.c
@@ -1316,7 +1316,13 @@ static int __maybe_unused elants_i2c_suspend(struct device *dev)
disable_irq(client->irq);
- if (device_may_wakeup(dev) || ts->keep_power_in_suspend) {
+ if (device_may_wakeup(dev)) {
+ /*
+ * The device will automatically enter idle mode
+ * that has reduced power consumption.
+ */
+ ts->wake_irq_enabled = (enable_irq_wake(client->irq) == 0);
+ } else if (ts->keep_power_in_suspend) {
for (retry_cnt = 0; retry_cnt < MAX_RETRIES; retry_cnt++) {
error = elants_i2c_send(client, set_sleep_cmd,
sizeof(set_sleep_cmd));
@@ -1326,10 +1332,6 @@ static int __maybe_unused elants_i2c_suspend(struct device *dev)
dev_err(&client->dev,
"suspend command failed: %d\n", error);
}
-
- if (device_may_wakeup(dev))
- ts->wake_irq_enabled =
- (enable_irq_wake(client->irq) == 0);
} else {
elants_i2c_power_off(ts);
}
@@ -1345,10 +1347,11 @@ static int __maybe_unused elants_i2c_resume(struct device *dev)
int retry_cnt;
int error;
- if (device_may_wakeup(dev) && ts->wake_irq_enabled)
- disable_irq_wake(client->irq);
-
- if (ts->keep_power_in_suspend) {
+ if (device_may_wakeup(dev)) {
+ if (ts->wake_irq_enabled)
+ disable_irq_wake(client->irq);
+ elants_i2c_sw_reset(client);
+ } else if (ts->keep_power_in_suspend) {
for (retry_cnt = 0; retry_cnt < MAX_RETRIES; retry_cnt++) {
error = elants_i2c_send(client, set_active_cmd,
sizeof(set_active_cmd));
diff --git a/drivers/iommu/amd_iommu_v2.c b/drivers/iommu/amd_iommu_v2.c
index d21d4edf7236..7caf2fa237f2 100644
--- a/drivers/iommu/amd_iommu_v2.c
+++ b/drivers/iommu/amd_iommu_v2.c
@@ -494,6 +494,22 @@ static void handle_fault_error(struct fault *fault)
}
}
+static bool access_error(struct vm_area_struct *vma, struct fault *fault)
+{
+ unsigned long requested = 0;
+
+ if (fault->flags & PPR_FAULT_EXEC)
+ requested |= VM_EXEC;
+
+ if (fault->flags & PPR_FAULT_READ)
+ requested |= VM_READ;
+
+ if (fault->flags & PPR_FAULT_WRITE)
+ requested |= VM_WRITE;
+
+ return (requested & ~vma->vm_flags) != 0;
+}
+
static void do_fault(struct work_struct *work)
{
struct fault *fault = container_of(work, struct fault, work);
@@ -516,8 +532,8 @@ static void do_fault(struct work_struct *work)
goto out;
}
- if (!(vma->vm_flags & (VM_READ | VM_EXEC | VM_WRITE))) {
- /* handle_mm_fault would BUG_ON() */
+ /* Check if we have the right permissions on the vma */
+ if (access_error(vma, fault)) {
up_read(&mm->mmap_sem);
handle_fault_error(fault);
goto out;
diff --git a/drivers/iommu/intel-svm.c b/drivers/iommu/intel-svm.c
index c69e3f9ec958..50464833d0b8 100644
--- a/drivers/iommu/intel-svm.c
+++ b/drivers/iommu/intel-svm.c
@@ -484,6 +484,23 @@ struct page_req_dsc {
};
#define PRQ_RING_MASK ((0x1000 << PRQ_ORDER) - 0x10)
+
+static bool access_error(struct vm_area_struct *vma, struct page_req_dsc *req)
+{
+ unsigned long requested = 0;
+
+ if (req->exe_req)
+ requested |= VM_EXEC;
+
+ if (req->rd_req)
+ requested |= VM_READ;
+
+ if (req->wr_req)
+ requested |= VM_WRITE;
+
+ return (requested & ~vma->vm_flags) != 0;
+}
+
static irqreturn_t prq_event_thread(int irq, void *d)
{
struct intel_iommu *iommu = d;
@@ -539,6 +556,9 @@ static irqreturn_t prq_event_thread(int irq, void *d)
if (!vma || address < vma->vm_start)
goto invalid;
+ if (access_error(vma, req))
+ goto invalid;
+
ret = handle_mm_fault(svm->mm, vma, address,
req->wr_req ? FAULT_FLAG_WRITE : 0);
if (ret & VM_FAULT_ERROR)
diff --git a/drivers/lightnvm/gennvm.c b/drivers/lightnvm/gennvm.c
index f434e89e1c7a..a54b339951a3 100644
--- a/drivers/lightnvm/gennvm.c
+++ b/drivers/lightnvm/gennvm.c
@@ -75,7 +75,7 @@ static int gennvm_block_bb(struct ppa_addr ppa, int nr_blocks, u8 *blks,
struct nvm_block *blk;
int i;
- lun = &gn->luns[(dev->nr_luns * ppa.g.ch) + ppa.g.lun];
+ lun = &gn->luns[(dev->luns_per_chnl * ppa.g.ch) + ppa.g.lun];
for (i = 0; i < nr_blocks; i++) {
if (blks[i] == 0)
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 807095f4c793..61aacab424cf 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -314,8 +314,8 @@ static blk_qc_t md_make_request(struct request_queue *q, struct bio *bio)
*/
void mddev_suspend(struct mddev *mddev)
{
- BUG_ON(mddev->suspended);
- mddev->suspended = 1;
+ if (mddev->suspended++)
+ return;
synchronize_rcu();
wait_event(mddev->sb_wait, atomic_read(&mddev->active_io) == 0);
mddev->pers->quiesce(mddev, 1);
@@ -326,7 +326,8 @@ EXPORT_SYMBOL_GPL(mddev_suspend);
void mddev_resume(struct mddev *mddev)
{
- mddev->suspended = 0;
+ if (--mddev->suspended)
+ return;
wake_up(&mddev->sb_wait);
mddev->pers->quiesce(mddev, 0);
@@ -1652,7 +1653,7 @@ static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev)
rdev->journal_tail = le64_to_cpu(sb->journal_tail);
if (mddev->recovery_cp == MaxSector)
set_bit(MD_JOURNAL_CLEAN, &mddev->flags);
- rdev->raid_disk = mddev->raid_disks;
+ rdev->raid_disk = 0;
break;
default:
rdev->saved_raid_disk = role;
@@ -2773,6 +2774,7 @@ slot_store(struct md_rdev *rdev, const char *buf, size_t len)
/* Activating a spare .. or possibly reactivating
* if we ever get bitmaps working here.
*/
+ int err;
if (rdev->raid_disk != -1)
return -EBUSY;
@@ -2794,9 +2796,15 @@ slot_store(struct md_rdev *rdev, const char *buf, size_t len)
rdev->saved_raid_disk = -1;
clear_bit(In_sync, &rdev->flags);
clear_bit(Bitmap_sync, &rdev->flags);
- remove_and_add_spares(rdev->mddev, rdev);
- if (rdev->raid_disk == -1)
- return -EBUSY;
+ err = rdev->mddev->pers->
+ hot_add_disk(rdev->mddev, rdev);
+ if (err) {
+ rdev->raid_disk = -1;
+ return err;
+ } else
+ sysfs_notify_dirent_safe(rdev->sysfs_state);
+ if (sysfs_link_rdev(rdev->mddev, rdev))
+ /* failure here is OK */;
/* don't wakeup anyone, leave that to userspace. */
} else {
if (slot >= rdev->mddev->raid_disks &&
@@ -4318,8 +4326,7 @@ action_store(struct mddev *mddev, const char *page, size_t len)
}
mddev_unlock(mddev);
}
- } else if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery) ||
- test_bit(MD_RECOVERY_NEEDED, &mddev->recovery))
+ } else if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery))
return -EBUSY;
else if (cmd_match(page, "resync"))
clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
@@ -4332,8 +4339,12 @@ action_store(struct mddev *mddev, const char *page, size_t len)
return -EINVAL;
err = mddev_lock(mddev);
if (!err) {
- clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
- err = mddev->pers->start_reshape(mddev);
+ if (test_bit(MD_RECOVERY_RUNNING, &mddev->recovery))
+ err = -EBUSY;
+ else {
+ clear_bit(MD_RECOVERY_FROZEN, &mddev->recovery);
+ err = mddev->pers->start_reshape(mddev);
+ }
mddev_unlock(mddev);
}
if (err)
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 2bea51edfab7..ca0b643fe3c1 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -566,7 +566,9 @@ static inline char * mdname (struct mddev * mddev)
static inline int sysfs_link_rdev(struct mddev *mddev, struct md_rdev *rdev)
{
char nm[20];
- if (!test_bit(Replacement, &rdev->flags) && mddev->kobj.sd) {
+ if (!test_bit(Replacement, &rdev->flags) &&
+ !test_bit(Journal, &rdev->flags) &&
+ mddev->kobj.sd) {
sprintf(nm, "rd%d", rdev->raid_disk);
return sysfs_create_link(&mddev->kobj, &rdev->kobj, nm);
} else
@@ -576,7 +578,9 @@ static inline int sysfs_link_rdev(struct mddev *mddev, struct md_rdev *rdev)
static inline void sysfs_unlink_rdev(struct mddev *mddev, struct md_rdev *rdev)
{
char nm[20];
- if (!test_bit(Replacement, &rdev->flags) && mddev->kobj.sd) {
+ if (!test_bit(Replacement, &rdev->flags) &&
+ !test_bit(Journal, &rdev->flags) &&
+ mddev->kobj.sd) {
sprintf(nm, "rd%d", rdev->raid_disk);
sysfs_remove_link(&mddev->kobj, nm);
}
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 41d70bc9ba2f..84e597e1c489 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1946,6 +1946,8 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio)
first = i;
fbio = r10_bio->devs[i].bio;
+ fbio->bi_iter.bi_size = r10_bio->sectors << 9;
+ fbio->bi_iter.bi_idx = 0;
vcnt = (r10_bio->sectors + (PAGE_SIZE >> 9) - 1) >> (PAGE_SHIFT - 9);
/* now find blocks with errors */
@@ -1989,7 +1991,7 @@ static void sync_request_write(struct mddev *mddev, struct r10bio *r10_bio)
bio_reset(tbio);
tbio->bi_vcnt = vcnt;
- tbio->bi_iter.bi_size = r10_bio->sectors << 9;
+ tbio->bi_iter.bi_size = fbio->bi_iter.bi_size;
tbio->bi_rw = WRITE;
tbio->bi_private = r10_bio;
tbio->bi_iter.bi_sector = r10_bio->devs[i].addr;
diff --git a/drivers/media/pci/ivtv/ivtv-driver.c b/drivers/media/pci/ivtv/ivtv-driver.c
index 8616fa8193bc..c2e60b4f292d 100644
--- a/drivers/media/pci/ivtv/ivtv-driver.c
+++ b/drivers/media/pci/ivtv/ivtv-driver.c
@@ -805,11 +805,11 @@ static void ivtv_init_struct2(struct ivtv *itv)
{
int i;
- for (i = 0; i < IVTV_CARD_MAX_VIDEO_INPUTS - 1; i++)
+ for (i = 0; i < IVTV_CARD_MAX_VIDEO_INPUTS; i++)
if (itv->card->video_inputs[i].video_type == 0)
break;
itv->nof_inputs = i;
- for (i = 0; i < IVTV_CARD_MAX_AUDIO_INPUTS - 1; i++)
+ for (i = 0; i < IVTV_CARD_MAX_AUDIO_INPUTS; i++)
if (itv->card->audio_inputs[i].audio_type == 0)
break;
itv->nof_audio_inputs = i;
diff --git a/drivers/media/usb/airspy/airspy.c b/drivers/media/usb/airspy/airspy.c
index fcbb49757614..565a59310747 100644
--- a/drivers/media/usb/airspy/airspy.c
+++ b/drivers/media/usb/airspy/airspy.c
@@ -134,7 +134,7 @@ struct airspy {
int urbs_submitted;
/* USB control message buffer */
- #define BUF_SIZE 24
+ #define BUF_SIZE 128
u8 buf[BUF_SIZE];
/* Current configuration */
diff --git a/drivers/media/usb/hackrf/hackrf.c b/drivers/media/usb/hackrf/hackrf.c
index e05bfec90f46..0fe5cb2c260c 100644
--- a/drivers/media/usb/hackrf/hackrf.c
+++ b/drivers/media/usb/hackrf/hackrf.c
@@ -24,6 +24,15 @@
#include <media/videobuf2-v4l2.h>
#include <media/videobuf2-vmalloc.h>
+/*
+ * Used Avago MGA-81563 RF amplifier could be destroyed pretty easily with too
+ * strong signal or transmitting to bad antenna.
+ * Set RF gain control to 'grabbed' state by default for sure.
+ */
+static bool hackrf_enable_rf_gain_ctrl;
+module_param_named(enable_rf_gain_ctrl, hackrf_enable_rf_gain_ctrl, bool, 0644);
+MODULE_PARM_DESC(enable_rf_gain_ctrl, "enable RX/TX RF amplifier control (warn: could damage amplifier)");
+
/* HackRF USB API commands (from HackRF Library) */
enum {
CMD_SET_TRANSCEIVER_MODE = 0x01,
@@ -1451,6 +1460,7 @@ static int hackrf_probe(struct usb_interface *intf,
dev_err(dev->dev, "Could not initialize controls\n");
goto err_v4l2_ctrl_handler_free_rx;
}
+ v4l2_ctrl_grab(dev->rx_rf_gain, !hackrf_enable_rf_gain_ctrl);
v4l2_ctrl_handler_setup(&dev->rx_ctrl_handler);
/* Register controls for transmitter */
@@ -1471,6 +1481,7 @@ static int hackrf_probe(struct usb_interface *intf,
dev_err(dev->dev, "Could not initialize controls\n");
goto err_v4l2_ctrl_handler_free_tx;
}
+ v4l2_ctrl_grab(dev->tx_rf_gain, !hackrf_enable_rf_gain_ctrl);
v4l2_ctrl_handler_setup(&dev->tx_ctrl_handler);
/* Register the v4l2_device structure */
@@ -1530,7 +1541,7 @@ err_v4l2_ctrl_handler_free_rx:
err_kfree:
kfree(dev);
err:
- dev_dbg(dev->dev, "failed=%d\n", ret);
+ dev_dbg(&intf->dev, "failed=%d\n", ret);
return ret;
}
diff --git a/drivers/memory/fsl_ifc.c b/drivers/memory/fsl_ifc.c
index e87459f6d686..acd1460cf787 100644
--- a/drivers/memory/fsl_ifc.c
+++ b/drivers/memory/fsl_ifc.c
@@ -22,6 +22,7 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/compiler.h>
+#include <linux/sched.h>
#include <linux/spinlock.h>
#include <linux/types.h>
#include <linux/slab.h>
diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c
index 669c3452f278..9ed6038e47d2 100644
--- a/drivers/mtd/ofpart.c
+++ b/drivers/mtd/ofpart.c
@@ -46,10 +46,18 @@ static int parse_ofpart_partitions(struct mtd_info *master,
ofpart_node = of_get_child_by_name(mtd_node, "partitions");
if (!ofpart_node) {
- pr_warn("%s: 'partitions' subnode not found on %s. Trying to parse direct subnodes as partitions.\n",
- master->name, mtd_node->full_name);
+ /*
+ * We might get here even when ofpart isn't used at all (e.g.,
+ * when using another parser), so don't be louder than
+ * KERN_DEBUG
+ */
+ pr_debug("%s: 'partitions' subnode not found on %s. Trying to parse direct subnodes as partitions.\n",
+ master->name, mtd_node->full_name);
ofpart_node = mtd_node;
dedicated = false;
+ } else if (!of_device_is_compatible(ofpart_node, "fixed-partitions")) {
+ /* The 'partitions' subnode might be used by another parser */
+ return 0;
}
/* First count the subnodes */
diff --git a/drivers/mtd/ubi/debug.c b/drivers/mtd/ubi/debug.c
index b077e43b5ba9..c4cb15a3098c 100644
--- a/drivers/mtd/ubi/debug.c
+++ b/drivers/mtd/ubi/debug.c
@@ -236,7 +236,7 @@ int ubi_debugfs_init(void)
dfs_rootdir = debugfs_create_dir("ubi", NULL);
if (IS_ERR_OR_NULL(dfs_rootdir)) {
- int err = dfs_rootdir ? -ENODEV : PTR_ERR(dfs_rootdir);
+ int err = dfs_rootdir ? PTR_ERR(dfs_rootdir) : -ENODEV;
pr_err("UBI error: cannot create \"ubi\" debugfs directory, error %d\n",
err);
diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c
index 1fc23e48fe8e..10cf3b549959 100644
--- a/drivers/mtd/ubi/io.c
+++ b/drivers/mtd/ubi/io.c
@@ -1299,7 +1299,7 @@ static int self_check_peb_vid_hdr(const struct ubi_device *ubi, int pnum)
if (err && err != UBI_IO_BITFLIPS && !mtd_is_eccerr(err))
goto exit;
- crc = crc32(UBI_CRC32_INIT, vid_hdr, UBI_EC_HDR_SIZE_CRC);
+ crc = crc32(UBI_CRC32_INIT, vid_hdr, UBI_VID_HDR_SIZE_CRC);
hdr_crc = be32_to_cpu(vid_hdr->hdr_crc);
if (hdr_crc != crc) {
ubi_err(ubi, "bad VID header CRC at PEB %d, calculated %#08x, read %#08x",
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index eb4489f9082f..56065632a5b8 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -603,6 +603,7 @@ static int schedule_erase(struct ubi_device *ubi, struct ubi_wl_entry *e,
return 0;
}
+static int __erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk);
/**
* do_sync_erase - run the erase worker synchronously.
* @ubi: UBI device description object
@@ -615,20 +616,16 @@ static int schedule_erase(struct ubi_device *ubi, struct ubi_wl_entry *e,
static int do_sync_erase(struct ubi_device *ubi, struct ubi_wl_entry *e,
int vol_id, int lnum, int torture)
{
- struct ubi_work *wl_wrk;
+ struct ubi_work wl_wrk;
dbg_wl("sync erase of PEB %i", e->pnum);
- wl_wrk = kmalloc(sizeof(struct ubi_work), GFP_NOFS);
- if (!wl_wrk)
- return -ENOMEM;
-
- wl_wrk->e = e;
- wl_wrk->vol_id = vol_id;
- wl_wrk->lnum = lnum;
- wl_wrk->torture = torture;
+ wl_wrk.e = e;
+ wl_wrk.vol_id = vol_id;
+ wl_wrk.lnum = lnum;
+ wl_wrk.torture = torture;
- return erase_worker(ubi, wl_wrk, 0);
+ return __erase_worker(ubi, &wl_wrk);
}
/**
@@ -1014,7 +1011,7 @@ out_unlock:
}
/**
- * erase_worker - physical eraseblock erase worker function.
+ * __erase_worker - physical eraseblock erase worker function.
* @ubi: UBI device description object
* @wl_wrk: the work object
* @shutdown: non-zero if the worker has to free memory and exit
@@ -1025,8 +1022,7 @@ out_unlock:
* needed. Returns zero in case of success and a negative error code in case of
* failure.
*/
-static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
- int shutdown)
+static int __erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk)
{
struct ubi_wl_entry *e = wl_wrk->e;
int pnum = e->pnum;
@@ -1034,21 +1030,11 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
int lnum = wl_wrk->lnum;
int err, available_consumed = 0;
- if (shutdown) {
- dbg_wl("cancel erasure of PEB %d EC %d", pnum, e->ec);
- kfree(wl_wrk);
- wl_entry_destroy(ubi, e);
- return 0;
- }
-
dbg_wl("erase PEB %d EC %d LEB %d:%d",
pnum, e->ec, wl_wrk->vol_id, wl_wrk->lnum);
err = sync_erase(ubi, e, wl_wrk->torture);
if (!err) {
- /* Fine, we've erased it successfully */
- kfree(wl_wrk);
-
spin_lock(&ubi->wl_lock);
wl_tree_add(e, &ubi->free);
ubi->free_count++;
@@ -1066,7 +1052,6 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
}
ubi_err(ubi, "failed to erase PEB %d, error %d", pnum, err);
- kfree(wl_wrk);
if (err == -EINTR || err == -ENOMEM || err == -EAGAIN ||
err == -EBUSY) {
@@ -1075,6 +1060,7 @@ static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
/* Re-schedule the LEB for erasure */
err1 = schedule_erase(ubi, e, vol_id, lnum, 0);
if (err1) {
+ wl_entry_destroy(ubi, e);
err = err1;
goto out_ro;
}
@@ -1150,6 +1136,25 @@ out_ro:
return err;
}
+static int erase_worker(struct ubi_device *ubi, struct ubi_work *wl_wrk,
+ int shutdown)
+{
+ int ret;
+
+ if (shutdown) {
+ struct ubi_wl_entry *e = wl_wrk->e;
+
+ dbg_wl("cancel erasure of PEB %d EC %d", e->pnum, e->ec);
+ kfree(wl_wrk);
+ wl_entry_destroy(ubi, e);
+ return 0;
+ }
+
+ ret = __erase_worker(ubi, wl_wrk);
+ kfree(wl_wrk);
+ return ret;
+}
+
/**
* ubi_wl_put_peb - return a PEB to the wear-leveling sub-system.
* @ubi: UBI device description object
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index b3552dd749c4..9695a4c4a434 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -3370,25 +3370,29 @@ static u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb)
return rc;
}
-#if (MAX_SKB_FRAGS >= MAX_FETCH_BD - 3)
+/* VXLAN: 4 = 1 (for linear data BD) + 3 (2 for PBD and last BD) */
+#define BNX2X_NUM_VXLAN_TSO_WIN_SUB_BDS 4
+
+/* Regular: 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
+#define BNX2X_NUM_TSO_WIN_SUB_BDS 3
+
+#if (MAX_SKB_FRAGS >= MAX_FETCH_BD - BDS_PER_TX_PKT)
/* check if packet requires linearization (packet is too fragmented)
no need to check fragmentation if page size > 8K (there will be no
violation to FW restrictions) */
static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb,
u32 xmit_type)
{
- int to_copy = 0;
- int hlen = 0;
- int first_bd_sz = 0;
+ int first_bd_sz = 0, num_tso_win_sub = BNX2X_NUM_TSO_WIN_SUB_BDS;
+ int to_copy = 0, hlen = 0;
- /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */
- if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) {
+ if (xmit_type & XMIT_GSO_ENC)
+ num_tso_win_sub = BNX2X_NUM_VXLAN_TSO_WIN_SUB_BDS;
+ if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - num_tso_win_sub)) {
if (xmit_type & XMIT_GSO) {
unsigned short lso_mss = skb_shinfo(skb)->gso_size;
- /* Check if LSO packet needs to be copied:
- 3 = 1 (for headers BD) + 2 (for PBD and last BD) */
- int wnd_size = MAX_FETCH_BD - 3;
+ int wnd_size = MAX_FETCH_BD - num_tso_win_sub;
/* Number of windows to check */
int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size;
int wnd_idx = 0;
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h
index 22bf7afe5311..cf837831304b 100644
--- a/drivers/net/ethernet/emulex/benet/be.h
+++ b/drivers/net/ethernet/emulex/benet/be.h
@@ -845,8 +845,6 @@ void be_roce_dev_remove(struct be_adapter *);
/*
* internal function to open-close roce device during ifup-ifdown.
*/
-void be_roce_dev_open(struct be_adapter *);
-void be_roce_dev_close(struct be_adapter *);
void be_roce_dev_shutdown(struct be_adapter *);
#endif /* BE_H */
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 00059afad81c..f99de3657ce3 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -3297,8 +3297,10 @@ static int be_msix_register(struct be_adapter *adapter)
return 0;
err_msix:
- for (i--, eqo = &adapter->eq_obj[i]; i >= 0; i--, eqo--)
+ for (i--; i >= 0; i--) {
+ eqo = &adapter->eq_obj[i];
free_irq(be_msix_vec_get(adapter, eqo), eqo);
+ }
dev_warn(&adapter->pdev->dev, "MSIX Request IRQ failed - err %d\n",
status);
be_msix_disable(adapter);
@@ -3430,8 +3432,6 @@ static int be_close(struct net_device *netdev)
be_disable_if_filters(adapter);
- be_roce_dev_close(adapter);
-
if (adapter->flags & BE_FLAGS_NAPI_ENABLED) {
for_all_evt_queues(adapter, eqo, i) {
napi_disable(&eqo->napi);
@@ -3599,8 +3599,6 @@ static int be_open(struct net_device *netdev)
be_link_status_update(adapter, link_status);
netif_tx_start_all_queues(netdev);
- be_roce_dev_open(adapter);
-
#ifdef CONFIG_BE2NET_VXLAN
if (skyhawk_chip(adapter))
vxlan_get_rx_port(netdev);
diff --git a/drivers/net/ethernet/emulex/benet/be_roce.c b/drivers/net/ethernet/emulex/benet/be_roce.c
index 60368207bf58..4089156a7f5e 100644
--- a/drivers/net/ethernet/emulex/benet/be_roce.c
+++ b/drivers/net/ethernet/emulex/benet/be_roce.c
@@ -116,40 +116,6 @@ void be_roce_dev_remove(struct be_adapter *adapter)
}
}
-static void _be_roce_dev_open(struct be_adapter *adapter)
-{
- if (ocrdma_drv && adapter->ocrdma_dev &&
- ocrdma_drv->state_change_handler)
- ocrdma_drv->state_change_handler(adapter->ocrdma_dev,
- BE_DEV_UP);
-}
-
-void be_roce_dev_open(struct be_adapter *adapter)
-{
- if (be_roce_supported(adapter)) {
- mutex_lock(&be_adapter_list_lock);
- _be_roce_dev_open(adapter);
- mutex_unlock(&be_adapter_list_lock);
- }
-}
-
-static void _be_roce_dev_close(struct be_adapter *adapter)
-{
- if (ocrdma_drv && adapter->ocrdma_dev &&
- ocrdma_drv->state_change_handler)
- ocrdma_drv->state_change_handler(adapter->ocrdma_dev,
- BE_DEV_DOWN);
-}
-
-void be_roce_dev_close(struct be_adapter *adapter)
-{
- if (be_roce_supported(adapter)) {
- mutex_lock(&be_adapter_list_lock);
- _be_roce_dev_close(adapter);
- mutex_unlock(&be_adapter_list_lock);
- }
-}
-
void be_roce_dev_shutdown(struct be_adapter *adapter)
{
if (be_roce_supported(adapter)) {
@@ -177,8 +143,6 @@ int be_roce_register_driver(struct ocrdma_driver *drv)
_be_roce_dev_add(dev);
netdev = dev->netdev;
- if (netif_running(netdev) && netif_oper_up(netdev))
- _be_roce_dev_open(dev);
}
mutex_unlock(&be_adapter_list_lock);
return 0;
diff --git a/drivers/net/ethernet/emulex/benet/be_roce.h b/drivers/net/ethernet/emulex/benet/be_roce.h
index cde6ef905ec4..fde609789483 100644
--- a/drivers/net/ethernet/emulex/benet/be_roce.h
+++ b/drivers/net/ethernet/emulex/benet/be_roce.h
@@ -60,9 +60,7 @@ struct ocrdma_driver {
void (*state_change_handler) (struct ocrdma_dev *, u32 new_state);
};
-enum {
- BE_DEV_UP = 0,
- BE_DEV_DOWN = 1,
+enum be_roce_event {
BE_DEV_SHUTDOWN = 2
};
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_clock.c b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
index 8a083d73efdb..038f9ce391e6 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_clock.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_clock.c
@@ -242,6 +242,13 @@ void mlx4_en_init_timestamp(struct mlx4_en_dev *mdev)
unsigned long flags;
u64 ns, zero = 0;
+ /* mlx4_en_init_timestamp is called for each netdev.
+ * mdev->ptp_clock is common for all ports, skip initialization if
+ * was done for other port.
+ */
+ if (mdev->ptp_clock)
+ return;
+
rwlock_init(&mdev->clock_lock);
memset(&mdev->cycles, 0, sizeof(mdev->cycles));
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_main.c b/drivers/net/ethernet/mellanox/mlx4/en_main.c
index 005f910ec955..e0ec280a7fa1 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_main.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_main.c
@@ -232,9 +232,6 @@ static void mlx4_en_remove(struct mlx4_dev *dev, void *endev_ptr)
if (mdev->pndev[i])
mlx4_en_destroy_netdev(mdev->pndev[i]);
- if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
- mlx4_en_remove_timestamp(mdev);
-
flush_workqueue(mdev->workqueue);
destroy_workqueue(mdev->workqueue);
(void) mlx4_mr_free(dev, &mdev->mr);
@@ -320,10 +317,6 @@ static void *mlx4_en_add(struct mlx4_dev *dev)
mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH)
mdev->port_cnt++;
- /* Initialize time stamp mechanism */
- if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
- mlx4_en_init_timestamp(mdev);
-
/* Set default number of RX rings*/
mlx4_en_set_num_rx_rings(mdev);
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 659209ff7af6..0c7e3f69a73b 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -2035,6 +2035,9 @@ void mlx4_en_destroy_netdev(struct net_device *dev)
/* flush any pending task for this netdev */
flush_workqueue(mdev->workqueue);
+ if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
+ mlx4_en_remove_timestamp(mdev);
+
/* Detach the netdev so tasks would not attempt to access it */
mutex_lock(&mdev->state_lock);
mdev->pndev[priv->port] = NULL;
@@ -3018,9 +3021,12 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
}
queue_delayed_work(mdev->workqueue, &priv->stats_task, STATS_DELAY);
+ /* Initialize time stamp mechanism */
if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
- queue_delayed_work(mdev->workqueue, &priv->service_task,
- SERVICE_TASK_DELAY);
+ mlx4_en_init_timestamp(mdev);
+
+ queue_delayed_work(mdev->workqueue, &priv->service_task,
+ SERVICE_TASK_DELAY);
mlx4_en_set_stats_bitmap(mdev->dev, &priv->stats_bitmap,
mdev->profile.prof[priv->port].rx_ppp,
diff --git a/drivers/net/ethernet/natsemi/natsemi.c b/drivers/net/ethernet/natsemi/natsemi.c
index b83f7c0fcf99..122c2ee3dfe2 100644
--- a/drivers/net/ethernet/natsemi/natsemi.c
+++ b/drivers/net/ethernet/natsemi/natsemi.c
@@ -1937,6 +1937,12 @@ static void refill_rx(struct net_device *dev)
break; /* Better luck next round. */
np->rx_dma[entry] = pci_map_single(np->pci_dev,
skb->data, buflen, PCI_DMA_FROMDEVICE);
+ if (pci_dma_mapping_error(np->pci_dev,
+ np->rx_dma[entry])) {
+ dev_kfree_skb_any(skb);
+ np->rx_skbuff[entry] = NULL;
+ break; /* Better luck next round. */
+ }
np->rx_ring[entry].addr = cpu_to_le32(np->rx_dma[entry]);
}
np->rx_ring[entry].cmd_status = cpu_to_le32(np->rx_buf_sz);
@@ -2093,6 +2099,12 @@ static netdev_tx_t start_tx(struct sk_buff *skb, struct net_device *dev)
np->tx_skbuff[entry] = skb;
np->tx_dma[entry] = pci_map_single(np->pci_dev,
skb->data,skb->len, PCI_DMA_TODEVICE);
+ if (pci_dma_mapping_error(np->pci_dev, np->tx_dma[entry])) {
+ np->tx_skbuff[entry] = NULL;
+ dev_kfree_skb_irq(skb);
+ dev->stats.tx_dropped++;
+ return NETDEV_TX_OK;
+ }
np->tx_ring[entry].addr = cpu_to_le32(np->tx_dma[entry]);
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c
index b1a452f291ee..34906750b7e7 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c
@@ -252,7 +252,7 @@ int qlcnic_83xx_check_vnic_state(struct qlcnic_adapter *adapter)
state = QLCRDX(ahw, QLC_83XX_VNIC_STATE);
}
- if (!idc->vnic_wait_limit) {
+ if (state != QLCNIC_DEV_NPAR_OPER) {
dev_err(&adapter->pdev->dev,
"vNIC mode not operational, state check timed out.\n");
return -EIO;
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 76c5ce04a271..8ca040113a09 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1142,6 +1142,7 @@ static void sh_eth_ring_format(struct net_device *ndev)
int tx_ringsize = sizeof(*txdesc) * mdp->num_tx_ring;
int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN + 32 - 1;
dma_addr_t dma_addr;
+ u32 buf_len;
mdp->cur_rx = 0;
mdp->cur_tx = 0;
@@ -1162,9 +1163,9 @@ static void sh_eth_ring_format(struct net_device *ndev)
/* RX descriptor */
rxdesc = &mdp->rx_ring[i];
/* The size of the buffer is a multiple of 32 bytes. */
- rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 32);
- dma_addr = dma_map_single(&ndev->dev, skb->data,
- rxdesc->buffer_length,
+ buf_len = ALIGN(mdp->rx_buf_sz, 32);
+ rxdesc->len = cpu_to_edmac(mdp, buf_len << 16);
+ dma_addr = dma_map_single(&ndev->dev, skb->data, buf_len,
DMA_FROM_DEVICE);
if (dma_mapping_error(&ndev->dev, dma_addr)) {
kfree_skb(skb);
@@ -1195,7 +1196,7 @@ static void sh_eth_ring_format(struct net_device *ndev)
mdp->tx_skbuff[i] = NULL;
txdesc = &mdp->tx_ring[i];
txdesc->status = cpu_to_edmac(mdp, TD_TFP);
- txdesc->buffer_length = 0;
+ txdesc->len = cpu_to_edmac(mdp, 0);
if (i == 0) {
/* Tx descriptor address set */
sh_eth_write(ndev, mdp->tx_desc_dma, TDLAR);
@@ -1404,7 +1405,8 @@ static int sh_eth_txfree(struct net_device *ndev)
if (mdp->tx_skbuff[entry]) {
dma_unmap_single(&ndev->dev,
edmac_to_cpu(mdp, txdesc->addr),
- txdesc->buffer_length, DMA_TO_DEVICE);
+ edmac_to_cpu(mdp, txdesc->len) >> 16,
+ DMA_TO_DEVICE);
dev_kfree_skb_irq(mdp->tx_skbuff[entry]);
mdp->tx_skbuff[entry] = NULL;
free_num++;
@@ -1414,7 +1416,7 @@ static int sh_eth_txfree(struct net_device *ndev)
txdesc->status |= cpu_to_edmac(mdp, TD_TDLE);
ndev->stats.tx_packets++;
- ndev->stats.tx_bytes += txdesc->buffer_length;
+ ndev->stats.tx_bytes += edmac_to_cpu(mdp, txdesc->len) >> 16;
}
return free_num;
}
@@ -1433,6 +1435,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
u32 desc_status;
int skbuff_size = mdp->rx_buf_sz + SH_ETH_RX_ALIGN + 32 - 1;
dma_addr_t dma_addr;
+ u32 buf_len;
boguscnt = min(boguscnt, *quota);
limit = boguscnt;
@@ -1441,7 +1444,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
/* RACT bit must be checked before all the following reads */
dma_rmb();
desc_status = edmac_to_cpu(mdp, rxdesc->status);
- pkt_len = rxdesc->frame_length;
+ pkt_len = edmac_to_cpu(mdp, rxdesc->len) & RD_RFL;
if (--boguscnt < 0)
break;
@@ -1507,7 +1510,8 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
entry = mdp->dirty_rx % mdp->num_rx_ring;
rxdesc = &mdp->rx_ring[entry];
/* The size of the buffer is 32 byte boundary. */
- rxdesc->buffer_length = ALIGN(mdp->rx_buf_sz, 32);
+ buf_len = ALIGN(mdp->rx_buf_sz, 32);
+ rxdesc->len = cpu_to_edmac(mdp, buf_len << 16);
if (mdp->rx_skbuff[entry] == NULL) {
skb = netdev_alloc_skb(ndev, skbuff_size);
@@ -1515,8 +1519,7 @@ static int sh_eth_rx(struct net_device *ndev, u32 intr_status, int *quota)
break; /* Better luck next round. */
sh_eth_set_receive_align(skb);
dma_addr = dma_map_single(&ndev->dev, skb->data,
- rxdesc->buffer_length,
- DMA_FROM_DEVICE);
+ buf_len, DMA_FROM_DEVICE);
if (dma_mapping_error(&ndev->dev, dma_addr)) {
kfree_skb(skb);
break;
@@ -2382,7 +2385,7 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev)
return NETDEV_TX_OK;
}
txdesc->addr = cpu_to_edmac(mdp, dma_addr);
- txdesc->buffer_length = skb->len;
+ txdesc->len = cpu_to_edmac(mdp, skb->len << 16);
dma_wmb(); /* TACT bit must be set after all the above writes */
if (entry >= mdp->num_tx_ring - 1)
diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h
index 26ad1cf0bcf1..72fcfc924589 100644
--- a/drivers/net/ethernet/renesas/sh_eth.h
+++ b/drivers/net/ethernet/renesas/sh_eth.h
@@ -283,7 +283,7 @@ enum DMAC_IM_BIT {
DMAC_M_RINT1 = 0x00000001,
};
-/* Receive descriptor bit */
+/* Receive descriptor 0 bits */
enum RD_STS_BIT {
RD_RACT = 0x80000000, RD_RDLE = 0x40000000,
RD_RFP1 = 0x20000000, RD_RFP0 = 0x10000000,
@@ -298,6 +298,12 @@ enum RD_STS_BIT {
#define RDFEND RD_RFP0
#define RD_RFP (RD_RFP1|RD_RFP0)
+/* Receive descriptor 1 bits */
+enum RD_LEN_BIT {
+ RD_RFL = 0x0000ffff, /* receive frame length */
+ RD_RBL = 0xffff0000, /* receive buffer length */
+};
+
/* FCFTR */
enum FCFTR_BIT {
FCFTR_RFF2 = 0x00040000, FCFTR_RFF1 = 0x00020000,
@@ -307,7 +313,7 @@ enum FCFTR_BIT {
#define DEFAULT_FIFO_F_D_RFF (FCFTR_RFF2 | FCFTR_RFF1 | FCFTR_RFF0)
#define DEFAULT_FIFO_F_D_RFD (FCFTR_RFD2 | FCFTR_RFD1 | FCFTR_RFD0)
-/* Transmit descriptor bit */
+/* Transmit descriptor 0 bits */
enum TD_STS_BIT {
TD_TACT = 0x80000000, TD_TDLE = 0x40000000,
TD_TFP1 = 0x20000000, TD_TFP0 = 0x10000000,
@@ -317,6 +323,11 @@ enum TD_STS_BIT {
#define TDFEND TD_TFP0
#define TD_TFP (TD_TFP1|TD_TFP0)
+/* Transmit descriptor 1 bits */
+enum TD_LEN_BIT {
+ TD_TBL = 0xffff0000, /* transmit buffer length */
+};
+
/* RMCR */
enum RMCR_BIT {
RMCR_RNC = 0x00000001,
@@ -425,15 +436,9 @@ enum TSU_FWSLC_BIT {
*/
struct sh_eth_txdesc {
u32 status; /* TD0 */
-#if defined(__LITTLE_ENDIAN)
- u16 pad0; /* TD1 */
- u16 buffer_length; /* TD1 */
-#else
- u16 buffer_length; /* TD1 */
- u16 pad0; /* TD1 */
-#endif
+ u32 len; /* TD1 */
u32 addr; /* TD2 */
- u32 pad1; /* padding data */
+ u32 pad0; /* padding data */
} __aligned(2) __packed;
/* The sh ether Rx buffer descriptors.
@@ -441,13 +446,7 @@ struct sh_eth_txdesc {
*/
struct sh_eth_rxdesc {
u32 status; /* RD0 */
-#if defined(__LITTLE_ENDIAN)
- u16 frame_length; /* RD1 */
- u16 buffer_length; /* RD1 */
-#else
- u16 buffer_length; /* RD1 */
- u16 frame_length; /* RD1 */
-#endif
+ u32 len; /* RD1 */
u32 addr; /* RD2 */
u32 pad0; /* padding data */
} __aligned(2) __packed;
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 15322c08de80..34ce7dce8c9d 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -2026,45 +2026,54 @@ static int cpsw_probe_dt(struct cpsw_priv *priv,
for_each_child_of_node(node, slave_node) {
struct cpsw_slave_data *slave_data = data->slave_data + i;
const void *mac_addr = NULL;
- u32 phyid;
int lenp;
const __be32 *parp;
- struct device_node *mdio_node;
- struct platform_device *mdio;
/* This is no slave child node, continue */
if (strcmp(slave_node->name, "slave"))
continue;
priv->phy_node = of_parse_phandle(slave_node, "phy-handle", 0);
+ parp = of_get_property(slave_node, "phy_id", &lenp);
if (of_phy_is_fixed_link(slave_node)) {
- struct phy_device *pd;
+ struct device_node *phy_node;
+ struct phy_device *phy_dev;
+ /* In the case of a fixed PHY, the DT node associated
+ * to the PHY is the Ethernet MAC DT node.
+ */
ret = of_phy_register_fixed_link(slave_node);
if (ret)
return ret;
- pd = of_phy_find_device(slave_node);
- if (!pd)
+ phy_node = of_node_get(slave_node);
+ phy_dev = of_phy_find_device(phy_node);
+ if (!phy_dev)
return -ENODEV;
snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
- PHY_ID_FMT, pd->bus->id, pd->phy_id);
- goto no_phy_slave;
- }
- parp = of_get_property(slave_node, "phy_id", &lenp);
- if ((parp == NULL) || (lenp != (sizeof(void *) * 2))) {
- dev_err(&pdev->dev, "Missing slave[%d] phy_id property\n", i);
+ PHY_ID_FMT, phy_dev->bus->id, phy_dev->addr);
+ } else if (parp) {
+ u32 phyid;
+ struct device_node *mdio_node;
+ struct platform_device *mdio;
+
+ if (lenp != (sizeof(__be32) * 2)) {
+ dev_err(&pdev->dev, "Invalid slave[%d] phy_id property\n", i);
+ goto no_phy_slave;
+ }
+ mdio_node = of_find_node_by_phandle(be32_to_cpup(parp));
+ phyid = be32_to_cpup(parp+1);
+ mdio = of_find_device_by_node(mdio_node);
+ of_node_put(mdio_node);
+ if (!mdio) {
+ dev_err(&pdev->dev, "Missing mdio platform device\n");
+ return -EINVAL;
+ }
+ snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
+ PHY_ID_FMT, mdio->name, phyid);
+ } else {
+ dev_err(&pdev->dev, "No slave[%d] phy_id or fixed-link property\n", i);
goto no_phy_slave;
}
- mdio_node = of_find_node_by_phandle(be32_to_cpup(parp));
- phyid = be32_to_cpup(parp+1);
- mdio = of_find_device_by_node(mdio_node);
- of_node_put(mdio_node);
- if (!mdio) {
- dev_err(&pdev->dev, "Missing mdio platform device\n");
- return -EINVAL;
- }
- snprintf(slave_data->phy_id, sizeof(slave_data->phy_id),
- PHY_ID_FMT, mdio->name, phyid);
slave_data->phy_if = of_get_phy_mode(slave_node);
if (slave_data->phy_if < 0) {
dev_err(&pdev->dev, "Missing or malformed slave[%d] phy-mode property\n",
@@ -2418,7 +2427,7 @@ static int cpsw_probe(struct platform_device *pdev)
ndev->irq = platform_get_irq(pdev, 1);
if (ndev->irq < 0) {
dev_err(priv->dev, "error getting irq resource\n");
- ret = -ENOENT;
+ ret = ndev->irq;
goto clean_ale_ret;
}
@@ -2439,8 +2448,10 @@ static int cpsw_probe(struct platform_device *pdev)
/* RX IRQ */
irq = platform_get_irq(pdev, 1);
- if (irq < 0)
+ if (irq < 0) {
+ ret = irq;
goto clean_ale_ret;
+ }
priv->irqs_table[0] = irq;
ret = devm_request_irq(&pdev->dev, irq, cpsw_rx_interrupt,
@@ -2452,8 +2463,10 @@ static int cpsw_probe(struct platform_device *pdev)
/* TX IRQ */
irq = platform_get_irq(pdev, 2);
- if (irq < 0)
+ if (irq < 0) {
+ ret = irq;
goto clean_ale_ret;
+ }
priv->irqs_table[1] = irq;
ret = devm_request_irq(&pdev->dev, irq, cpsw_tx_interrupt,
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c
index 20dd66423ec8..24b077a32c1c 100644
--- a/drivers/net/geneve.c
+++ b/drivers/net/geneve.c
@@ -1223,7 +1223,7 @@ static int geneve_configure(struct net *net, struct net_device *dev,
struct geneve_net *gn = net_generic(net, geneve_net_id);
struct geneve_dev *t, *geneve = netdev_priv(dev);
bool tun_collect_md, tun_on_same_port;
- int err;
+ int err, encap_len;
if (!remote)
return -EINVAL;
@@ -1256,6 +1256,14 @@ static int geneve_configure(struct net *net, struct net_device *dev,
if (t)
return -EBUSY;
+ /* make enough headroom for basic scenario */
+ encap_len = GENEVE_BASE_HLEN + ETH_HLEN;
+ if (remote->sa.sa_family == AF_INET)
+ encap_len += sizeof(struct iphdr);
+ else
+ encap_len += sizeof(struct ipv6hdr);
+ dev->needed_headroom = encap_len + ETH_HLEN;
+
if (metadata) {
if (tun_on_same_port)
return -EPERM;
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index 7c4a4151ef0f..9f0b1c342b77 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -683,14 +683,14 @@ static void sixpack_close(struct tty_struct *tty)
if (!atomic_dec_and_test(&sp->refcnt))
down(&sp->dead_sem);
- unregister_netdev(sp->dev);
-
- del_timer(&sp->tx_t);
- del_timer(&sp->resync_t);
+ del_timer_sync(&sp->tx_t);
+ del_timer_sync(&sp->resync_t);
/* Free all 6pack frame buffers. */
kfree(sp->rbuff);
kfree(sp->xbuff);
+
+ unregister_netdev(sp->dev);
}
/* Perform I/O control on an active 6pack channel. */
diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index 216bfd350169..0b72b9de5207 100644
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -798,13 +798,13 @@ static void mkiss_close(struct tty_struct *tty)
if (!atomic_dec_and_test(&ax->refcnt))
down(&ax->dead_sem);
- unregister_netdev(ax->dev);
-
/* Free all AX25 frame buffers. */
kfree(ax->rbuff);
kfree(ax->xbuff);
ax->tty = NULL;
+
+ unregister_netdev(ax->dev);
}
/* Perform I/O control on an active ax25 channel. */
diff --git a/drivers/net/usb/cdc_mbim.c b/drivers/net/usb/cdc_mbim.c
index 8973abdec9f6..bdd83d95ec0a 100644
--- a/drivers/net/usb/cdc_mbim.c
+++ b/drivers/net/usb/cdc_mbim.c
@@ -100,7 +100,7 @@ static const struct net_device_ops cdc_mbim_netdev_ops = {
.ndo_stop = usbnet_stop,
.ndo_start_xmit = usbnet_start_xmit,
.ndo_tx_timeout = usbnet_tx_timeout,
- .ndo_change_mtu = usbnet_change_mtu,
+ .ndo_change_mtu = cdc_ncm_change_mtu,
.ndo_set_mac_address = eth_mac_addr,
.ndo_validate_addr = eth_validate_addr,
.ndo_vlan_rx_add_vid = cdc_mbim_rx_add_vid,
diff --git a/drivers/net/usb/cdc_ncm.c b/drivers/net/usb/cdc_ncm.c
index c48c7f8ca727..dc0212c3cc28 100644
--- a/drivers/net/usb/cdc_ncm.c
+++ b/drivers/net/usb/cdc_ncm.c
@@ -41,6 +41,7 @@
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/ctype.h>
+#include <linux/etherdevice.h>
#include <linux/ethtool.h>
#include <linux/workqueue.h>
#include <linux/mii.h>
@@ -732,6 +733,33 @@ static void cdc_ncm_free(struct cdc_ncm_ctx *ctx)
kfree(ctx);
}
+/* we need to override the usbnet change_mtu ndo for two reasons:
+ * - respect the negotiated maximum datagram size
+ * - avoid unwanted changes to rx and tx buffers
+ */
+int cdc_ncm_change_mtu(struct net_device *net, int new_mtu)
+{
+ struct usbnet *dev = netdev_priv(net);
+ struct cdc_ncm_ctx *ctx = (struct cdc_ncm_ctx *)dev->data[0];
+ int maxmtu = ctx->max_datagram_size - cdc_ncm_eth_hlen(dev);
+
+ if (new_mtu <= 0 || new_mtu > maxmtu)
+ return -EINVAL;
+ net->mtu = new_mtu;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(cdc_ncm_change_mtu);
+
+static const struct net_device_ops cdc_ncm_netdev_ops = {
+ .ndo_open = usbnet_open,
+ .ndo_stop = usbnet_stop,
+ .ndo_start_xmit = usbnet_start_xmit,
+ .ndo_tx_timeout = usbnet_tx_timeout,
+ .ndo_change_mtu = cdc_ncm_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_altsetting, int drvflags)
{
struct cdc_ncm_ctx *ctx;
@@ -866,6 +894,9 @@ int cdc_ncm_bind_common(struct usbnet *dev, struct usb_interface *intf, u8 data_
/* add our sysfs attrs */
dev->net->sysfs_groups[0] = &cdc_ncm_sysfs_attr_group;
+ /* must handle MTU changes */
+ dev->net->netdev_ops = &cdc_ncm_netdev_ops;
+
return 0;
error2:
@@ -1601,6 +1632,24 @@ static const struct usb_device_id cdc_devs[] = {
.driver_info = (unsigned long) &wwan_info,
},
+ /* DW5812 LTE Verizon Mobile Broadband Card
+ * Unlike DW5550 this device requires FLAG_NOARP
+ */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x81bb,
+ USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
+ .driver_info = (unsigned long)&wwan_noarp_info,
+ },
+
+ /* DW5813 LTE AT&T Mobile Broadband Card
+ * Unlike DW5550 this device requires FLAG_NOARP
+ */
+ { USB_DEVICE_AND_INTERFACE_INFO(0x413c, 0x81bc,
+ USB_CLASS_COMM,
+ USB_CDC_SUBCLASS_NCM, USB_CDC_PROTO_NONE),
+ .driver_info = (unsigned long)&wwan_noarp_info,
+ },
+
/* Dell branded MBM devices like DW5550 */
{ .match_flags = USB_DEVICE_ID_MATCH_INT_INFO
| USB_DEVICE_ID_MATCH_VENDOR,
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index 0ef4a5ad5557..ba21d072be31 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -117,12 +117,6 @@ static netdev_tx_t veth_xmit(struct sk_buff *skb, struct net_device *dev)
kfree_skb(skb);
goto drop;
}
- /* don't change ip_summed == CHECKSUM_PARTIAL, as that
- * will cause bad checksum on forwarded packets
- */
- if (skb->ip_summed == CHECKSUM_NONE &&
- rcv->features & NETIF_F_RXCSUM)
- skb->ip_summed = CHECKSUM_UNNECESSARY;
if (likely(dev_forward_skb(rcv, skb) == NET_RX_SUCCESS)) {
struct pcpu_vstats *stats = this_cpu_ptr(dev->vstats);
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-7000.c b/drivers/net/wireless/intel/iwlwifi/iwl-7000.c
index 51fec203a845..390ee4d303db 100644
--- a/drivers/net/wireless/intel/iwlwifi/iwl-7000.c
+++ b/drivers/net/wireless/intel/iwlwifi/iwl-7000.c
@@ -71,13 +71,19 @@
#include "iwl-agn-hw.h"
/* Highest firmware API version supported */
-#define IWL7260_UCODE_API_MAX 19
+#define IWL7260_UCODE_API_MAX 17
+#define IWL7265_UCODE_API_MAX 19
+#define IWL7265D_UCODE_API_MAX 19
/* Oldest version we won't warn about */
#define IWL7260_UCODE_API_OK 13
+#define IWL7265_UCODE_API_OK 13
+#define IWL7265D_UCODE_API_OK 13
/* Lowest firmware API version supported */
#define IWL7260_UCODE_API_MIN 13
+#define IWL7265_UCODE_API_MIN 13
+#define IWL7265D_UCODE_API_MIN 13
/* NVM versions */
#define IWL7260_NVM_VERSION 0x0a1d
@@ -151,10 +157,7 @@ static const struct iwl_ht_params iwl7000_ht_params = {
.ht40_bands = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ),
};
-#define IWL_DEVICE_7000 \
- .ucode_api_max = IWL7260_UCODE_API_MAX, \
- .ucode_api_ok = IWL7260_UCODE_API_OK, \
- .ucode_api_min = IWL7260_UCODE_API_MIN, \
+#define IWL_DEVICE_7000_COMMON \
.device_family = IWL_DEVICE_FAMILY_7000, \
.max_inst_size = IWL60_RTC_INST_SIZE, \
.max_data_size = IWL60_RTC_DATA_SIZE, \
@@ -165,6 +168,24 @@ static const struct iwl_ht_params iwl7000_ht_params = {
.max_ht_ampdu_exponent = IEEE80211_HT_MAX_AMPDU_64K, \
.dccm_offset = IWL7000_DCCM_OFFSET
+#define IWL_DEVICE_7000 \
+ IWL_DEVICE_7000_COMMON, \
+ .ucode_api_max = IWL7260_UCODE_API_MAX, \
+ .ucode_api_ok = IWL7260_UCODE_API_OK, \
+ .ucode_api_min = IWL7260_UCODE_API_MIN
+
+#define IWL_DEVICE_7005 \
+ IWL_DEVICE_7000_COMMON, \
+ .ucode_api_max = IWL7265_UCODE_API_MAX, \
+ .ucode_api_ok = IWL7265_UCODE_API_OK, \
+ .ucode_api_min = IWL7265_UCODE_API_MIN
+
+#define IWL_DEVICE_7005D \
+ IWL_DEVICE_7000_COMMON, \
+ .ucode_api_max = IWL7265D_UCODE_API_MAX, \
+ .ucode_api_ok = IWL7265D_UCODE_API_OK, \
+ .ucode_api_min = IWL7265D_UCODE_API_MIN
+
const struct iwl_cfg iwl7260_2ac_cfg = {
.name = "Intel(R) Dual Band Wireless AC 7260",
.fw_name_pre = IWL7260_FW_PRE,
@@ -268,7 +289,7 @@ static const struct iwl_ht_params iwl7265_ht_params = {
const struct iwl_cfg iwl3165_2ac_cfg = {
.name = "Intel(R) Dual Band Wireless AC 3165",
.fw_name_pre = IWL7265D_FW_PRE,
- IWL_DEVICE_7000,
+ IWL_DEVICE_7005D,
.ht_params = &iwl7000_ht_params,
.nvm_ver = IWL3165_NVM_VERSION,
.nvm_calib_ver = IWL3165_TX_POWER_VERSION,
@@ -290,7 +311,7 @@ const struct iwl_cfg iwl3168_2ac_cfg = {
const struct iwl_cfg iwl7265_2ac_cfg = {
.name = "Intel(R) Dual Band Wireless AC 7265",
.fw_name_pre = IWL7265_FW_PRE,
- IWL_DEVICE_7000,
+ IWL_DEVICE_7005,
.ht_params = &iwl7265_ht_params,
.nvm_ver = IWL7265_NVM_VERSION,
.nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -301,7 +322,7 @@ const struct iwl_cfg iwl7265_2ac_cfg = {
const struct iwl_cfg iwl7265_2n_cfg = {
.name = "Intel(R) Dual Band Wireless N 7265",
.fw_name_pre = IWL7265_FW_PRE,
- IWL_DEVICE_7000,
+ IWL_DEVICE_7005,
.ht_params = &iwl7265_ht_params,
.nvm_ver = IWL7265_NVM_VERSION,
.nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -312,7 +333,7 @@ const struct iwl_cfg iwl7265_2n_cfg = {
const struct iwl_cfg iwl7265_n_cfg = {
.name = "Intel(R) Wireless N 7265",
.fw_name_pre = IWL7265_FW_PRE,
- IWL_DEVICE_7000,
+ IWL_DEVICE_7005,
.ht_params = &iwl7265_ht_params,
.nvm_ver = IWL7265_NVM_VERSION,
.nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -323,7 +344,7 @@ const struct iwl_cfg iwl7265_n_cfg = {
const struct iwl_cfg iwl7265d_2ac_cfg = {
.name = "Intel(R) Dual Band Wireless AC 7265",
.fw_name_pre = IWL7265D_FW_PRE,
- IWL_DEVICE_7000,
+ IWL_DEVICE_7005D,
.ht_params = &iwl7265_ht_params,
.nvm_ver = IWL7265D_NVM_VERSION,
.nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -334,7 +355,7 @@ const struct iwl_cfg iwl7265d_2ac_cfg = {
const struct iwl_cfg iwl7265d_2n_cfg = {
.name = "Intel(R) Dual Band Wireless N 7265",
.fw_name_pre = IWL7265D_FW_PRE,
- IWL_DEVICE_7000,
+ IWL_DEVICE_7005D,
.ht_params = &iwl7265_ht_params,
.nvm_ver = IWL7265D_NVM_VERSION,
.nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -345,7 +366,7 @@ const struct iwl_cfg iwl7265d_2n_cfg = {
const struct iwl_cfg iwl7265d_n_cfg = {
.name = "Intel(R) Wireless N 7265",
.fw_name_pre = IWL7265D_FW_PRE,
- IWL_DEVICE_7000,
+ IWL_DEVICE_7005D,
.ht_params = &iwl7265_ht_params,
.nvm_ver = IWL7265D_NVM_VERSION,
.nvm_calib_ver = IWL7265_TX_POWER_VERSION,
@@ -355,5 +376,5 @@ const struct iwl_cfg iwl7265d_n_cfg = {
MODULE_FIRMWARE(IWL7260_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
MODULE_FIRMWARE(IWL3160_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
-MODULE_FIRMWARE(IWL7265_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
-MODULE_FIRMWARE(IWL7265D_MODULE_FIRMWARE(IWL7260_UCODE_API_OK));
+MODULE_FIRMWARE(IWL7265_MODULE_FIRMWARE(IWL7265_UCODE_API_OK));
+MODULE_FIRMWARE(IWL7265D_MODULE_FIRMWARE(IWL7265D_UCODE_API_OK));
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
index 354acbde088e..2b976b110207 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c
@@ -1222,8 +1222,8 @@ static u8 iwl_mvm_get_key_sta_id(struct iwl_mvm *mvm,
mvmvif->ap_sta_id != IWL_MVM_STATION_COUNT) {
u8 sta_id = mvmvif->ap_sta_id;
- sta = rcu_dereference_protected(mvm->fw_id_to_mac_id[sta_id],
- lockdep_is_held(&mvm->mutex));
+ sta = rcu_dereference_check(mvm->fw_id_to_mac_id[sta_id],
+ lockdep_is_held(&mvm->mutex));
/*
* It is possible that the 'sta' parameter is NULL,
* for example when a GTK is removed - the sta_id will then
@@ -1590,14 +1590,15 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm,
u16 *phase1key)
{
struct iwl_mvm_sta *mvm_sta;
- u8 sta_id = iwl_mvm_get_key_sta_id(mvm, vif, sta);
+ u8 sta_id;
bool mcast = !(keyconf->flags & IEEE80211_KEY_FLAG_PAIRWISE);
- if (WARN_ON_ONCE(sta_id == IWL_MVM_STATION_COUNT))
- return;
-
rcu_read_lock();
+ sta_id = iwl_mvm_get_key_sta_id(mvm, vif, sta);
+ if (WARN_ON_ONCE(sta_id == IWL_MVM_STATION_COUNT))
+ goto unlock;
+
if (!sta) {
sta = rcu_dereference(mvm->fw_id_to_mac_id[sta_id]);
if (WARN_ON(IS_ERR_OR_NULL(sta))) {
@@ -1609,6 +1610,8 @@ void iwl_mvm_update_tkip_key(struct iwl_mvm *mvm,
mvm_sta = iwl_mvm_sta_from_mac80211(sta);
iwl_mvm_send_sta_key(mvm, mvm_sta, keyconf, mcast,
iv32, phase1key, CMD_ASYNC, keyconf->hw_key_idx);
+
+ unlock:
rcu_read_unlock();
}
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index e481f3710bd3..1049c34e7d43 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -258,18 +258,18 @@ static struct xenvif_rx_meta *get_next_rx_buffer(struct xenvif_queue *queue,
struct netrx_pending_operations *npo)
{
struct xenvif_rx_meta *meta;
- struct xen_netif_rx_request *req;
+ struct xen_netif_rx_request req;
- req = RING_GET_REQUEST(&queue->rx, queue->rx.req_cons++);
+ RING_COPY_REQUEST(&queue->rx, queue->rx.req_cons++, &req);
meta = npo->meta + npo->meta_prod++;
meta->gso_type = XEN_NETIF_GSO_TYPE_NONE;
meta->gso_size = 0;
meta->size = 0;
- meta->id = req->id;
+ meta->id = req.id;
npo->copy_off = 0;
- npo->copy_gref = req->gref;
+ npo->copy_gref = req.gref;
return meta;
}
@@ -424,7 +424,7 @@ static int xenvif_gop_skb(struct sk_buff *skb,
struct xenvif *vif = netdev_priv(skb->dev);
int nr_frags = skb_shinfo(skb)->nr_frags;
int i;
- struct xen_netif_rx_request *req;
+ struct xen_netif_rx_request req;
struct xenvif_rx_meta *meta;
unsigned char *data;
int head = 1;
@@ -443,15 +443,15 @@ static int xenvif_gop_skb(struct sk_buff *skb,
/* Set up a GSO prefix descriptor, if necessary */
if ((1 << gso_type) & vif->gso_prefix_mask) {
- req = RING_GET_REQUEST(&queue->rx, queue->rx.req_cons++);
+ RING_COPY_REQUEST(&queue->rx, queue->rx.req_cons++, &req);
meta = npo->meta + npo->meta_prod++;
meta->gso_type = gso_type;
meta->gso_size = skb_shinfo(skb)->gso_size;
meta->size = 0;
- meta->id = req->id;
+ meta->id = req.id;
}
- req = RING_GET_REQUEST(&queue->rx, queue->rx.req_cons++);
+ RING_COPY_REQUEST(&queue->rx, queue->rx.req_cons++, &req);
meta = npo->meta + npo->meta_prod++;
if ((1 << gso_type) & vif->gso_mask) {
@@ -463,9 +463,9 @@ static int xenvif_gop_skb(struct sk_buff *skb,
}
meta->size = 0;
- meta->id = req->id;
+ meta->id = req.id;
npo->copy_off = 0;
- npo->copy_gref = req->gref;
+ npo->copy_gref = req.gref;
data = skb->data;
while (data < skb_tail_pointer(skb)) {
@@ -679,9 +679,7 @@ static void tx_add_credit(struct xenvif_queue *queue)
* Allow a burst big enough to transmit a jumbo packet of up to 128kB.
* Otherwise the interface can seize up due to insufficient credit.
*/
- max_burst = RING_GET_REQUEST(&queue->tx, queue->tx.req_cons)->size;
- max_burst = min(max_burst, 131072UL);
- max_burst = max(max_burst, queue->credit_bytes);
+ max_burst = max(131072UL, queue->credit_bytes);
/* Take care that adding a new chunk of credit doesn't wrap to zero. */
max_credit = queue->remaining_credit + queue->credit_bytes;
@@ -711,7 +709,7 @@ static void xenvif_tx_err(struct xenvif_queue *queue,
spin_unlock_irqrestore(&queue->response_lock, flags);
if (cons == end)
break;
- txp = RING_GET_REQUEST(&queue->tx, cons++);
+ RING_COPY_REQUEST(&queue->tx, cons++, txp);
} while (1);
queue->tx.req_cons = cons;
}
@@ -778,8 +776,7 @@ static int xenvif_count_requests(struct xenvif_queue *queue,
if (drop_err)
txp = &dropped_tx;
- memcpy(txp, RING_GET_REQUEST(&queue->tx, cons + slots),
- sizeof(*txp));
+ RING_COPY_REQUEST(&queue->tx, cons + slots, txp);
/* If the guest submitted a frame >= 64 KiB then
* first->size overflowed and following slots will
@@ -1112,8 +1109,7 @@ static int xenvif_get_extras(struct xenvif_queue *queue,
return -EBADR;
}
- memcpy(&extra, RING_GET_REQUEST(&queue->tx, cons),
- sizeof(extra));
+ RING_COPY_REQUEST(&queue->tx, cons, &extra);
if (unlikely(!extra.type ||
extra.type >= XEN_NETIF_EXTRA_TYPE_MAX)) {
queue->tx.req_cons = ++cons;
@@ -1322,7 +1318,7 @@ static void xenvif_tx_build_gops(struct xenvif_queue *queue,
idx = queue->tx.req_cons;
rmb(); /* Ensure that we see the request before we copy it. */
- memcpy(&txreq, RING_GET_REQUEST(&queue->tx, idx), sizeof(txreq));
+ RING_COPY_REQUEST(&queue->tx, idx, &txreq);
/* Credit-based scheduling. */
if (txreq.size > queue->remaining_credit &&
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 9e294ff4e652..0c67b57be83c 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -2540,8 +2540,17 @@ static void nvme_ns_remove(struct nvme_ns *ns)
{
bool kill = nvme_io_incapable(ns->dev) && !blk_queue_dying(ns->queue);
- if (kill)
+ if (kill) {
blk_set_queue_dying(ns->queue);
+
+ /*
+ * The controller was shutdown first if we got here through
+ * device removal. The shutdown may requeue outstanding
+ * requests. These need to be aborted immediately so
+ * del_gendisk doesn't block indefinitely for their completion.
+ */
+ blk_mq_abort_requeue_list(ns->queue);
+ }
if (ns->disk->flags & GENHD_FL_UP)
del_gendisk(ns->disk);
if (kill || !blk_queue_dying(ns->queue)) {
@@ -2977,6 +2986,15 @@ static void nvme_dev_remove(struct nvme_dev *dev)
{
struct nvme_ns *ns, *next;
+ if (nvme_io_incapable(dev)) {
+ /*
+ * If the device is not capable of IO (surprise hot-removal,
+ * for example), we need to quiesce prior to deleting the
+ * namespaces. This will end outstanding requests and prevent
+ * attempts to sync dirty data.
+ */
+ nvme_dev_shutdown(dev);
+ }
list_for_each_entry_safe(ns, next, &dev->namespaces, list)
nvme_ns_remove(ns);
}
diff --git a/drivers/pci/host/pcie-hisi.c b/drivers/pci/host/pcie-hisi.c
index 163671a4f798..77f7c669a1b9 100644
--- a/drivers/pci/host/pcie-hisi.c
+++ b/drivers/pci/host/pcie-hisi.c
@@ -61,7 +61,9 @@ static int hisi_pcie_cfg_read(struct pcie_port *pp, int where, int size,
*val = *(u8 __force *) walker;
else if (size == 2)
*val = *(u16 __force *) walker;
- else if (size != 4)
+ else if (size == 4)
+ *val = reg_val;
+ else
return PCIBIOS_BAD_REGISTER_NUMBER;
return PCIBIOS_SUCCESSFUL;
diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig
index 7eb5859dd035..03cb3ea2d2c0 100644
--- a/drivers/phy/Kconfig
+++ b/drivers/phy/Kconfig
@@ -233,6 +233,7 @@ config PHY_SUN9I_USB
tristate "Allwinner sun9i SoC USB PHY driver"
depends on ARCH_SUNXI && HAS_IOMEM && OF
depends on RESET_CONTROLLER
+ depends on USB_COMMON
select GENERIC_PHY
help
Enable this to support the transceiver that is part of Allwinner
diff --git a/drivers/phy/phy-bcm-cygnus-pcie.c b/drivers/phy/phy-bcm-cygnus-pcie.c
index 7ad72b7d2b98..082c03f6438f 100644
--- a/drivers/phy/phy-bcm-cygnus-pcie.c
+++ b/drivers/phy/phy-bcm-cygnus-pcie.c
@@ -128,6 +128,7 @@ static int cygnus_pcie_phy_probe(struct platform_device *pdev)
struct phy_provider *provider;
struct resource *res;
unsigned cnt = 0;
+ int ret;
if (of_get_child_count(node) == 0) {
dev_err(dev, "PHY no child node\n");
@@ -154,24 +155,28 @@ static int cygnus_pcie_phy_probe(struct platform_device *pdev)
if (of_property_read_u32(child, "reg", &id)) {
dev_err(dev, "missing reg property for %s\n",
child->name);
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_child;
}
if (id >= MAX_NUM_PHYS) {
dev_err(dev, "invalid PHY id: %u\n", id);
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_child;
}
if (core->phys[id].phy) {
dev_err(dev, "duplicated PHY id: %u\n", id);
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_child;
}
p = &core->phys[id];
p->phy = devm_phy_create(dev, child, &cygnus_pcie_phy_ops);
if (IS_ERR(p->phy)) {
dev_err(dev, "failed to create PHY\n");
- return PTR_ERR(p->phy);
+ ret = PTR_ERR(p->phy);
+ goto put_child;
}
p->core = core;
@@ -191,6 +196,9 @@ static int cygnus_pcie_phy_probe(struct platform_device *pdev)
dev_dbg(dev, "registered %u PCIe PHY(s)\n", cnt);
return 0;
+put_child:
+ of_node_put(child);
+ return ret;
}
static const struct of_device_id cygnus_pcie_phy_match_table[] = {
diff --git a/drivers/phy/phy-berlin-sata.c b/drivers/phy/phy-berlin-sata.c
index 77a2e054fdea..f84a33a1bdd9 100644
--- a/drivers/phy/phy-berlin-sata.c
+++ b/drivers/phy/phy-berlin-sata.c
@@ -195,7 +195,7 @@ static int phy_berlin_sata_probe(struct platform_device *pdev)
struct phy_provider *phy_provider;
struct phy_berlin_priv *priv;
struct resource *res;
- int i = 0;
+ int ret, i = 0;
u32 phy_id;
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@@ -237,22 +237,27 @@ static int phy_berlin_sata_probe(struct platform_device *pdev)
if (of_property_read_u32(child, "reg", &phy_id)) {
dev_err(dev, "missing reg property in node %s\n",
child->name);
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_child;
}
if (phy_id >= ARRAY_SIZE(phy_berlin_power_down_bits)) {
dev_err(dev, "invalid reg in node %s\n", child->name);
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_child;
}
phy_desc = devm_kzalloc(dev, sizeof(*phy_desc), GFP_KERNEL);
- if (!phy_desc)
- return -ENOMEM;
+ if (!phy_desc) {
+ ret = -ENOMEM;
+ goto put_child;
+ }
phy = devm_phy_create(dev, NULL, &phy_berlin_sata_ops);
if (IS_ERR(phy)) {
dev_err(dev, "failed to create PHY %d\n", phy_id);
- return PTR_ERR(phy);
+ ret = PTR_ERR(phy);
+ goto put_child;
}
phy_desc->phy = phy;
@@ -269,6 +274,9 @@ static int phy_berlin_sata_probe(struct platform_device *pdev)
phy_provider =
devm_of_phy_provider_register(dev, phy_berlin_sata_phy_xlate);
return PTR_ERR_OR_ZERO(phy_provider);
+put_child:
+ of_node_put(child);
+ return ret;
}
static const struct of_device_id phy_berlin_sata_of_match[] = {
diff --git a/drivers/phy/phy-brcmstb-sata.c b/drivers/phy/phy-brcmstb-sata.c
index 8a2cb16a1937..cd9dba820566 100644
--- a/drivers/phy/phy-brcmstb-sata.c
+++ b/drivers/phy/phy-brcmstb-sata.c
@@ -140,7 +140,7 @@ static int brcm_sata_phy_probe(struct platform_device *pdev)
struct brcm_sata_phy *priv;
struct resource *res;
struct phy_provider *provider;
- int count = 0;
+ int ret, count = 0;
if (of_get_child_count(dn) == 0)
return -ENODEV;
@@ -163,16 +163,19 @@ static int brcm_sata_phy_probe(struct platform_device *pdev)
if (of_property_read_u32(child, "reg", &id)) {
dev_err(dev, "missing reg property in node %s\n",
child->name);
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_child;
}
if (id >= MAX_PORTS) {
dev_err(dev, "invalid reg: %u\n", id);
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_child;
}
if (priv->phys[id].phy) {
dev_err(dev, "already registered port %u\n", id);
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_child;
}
port = &priv->phys[id];
@@ -182,7 +185,8 @@ static int brcm_sata_phy_probe(struct platform_device *pdev)
port->ssc_en = of_property_read_bool(child, "brcm,enable-ssc");
if (IS_ERR(port->phy)) {
dev_err(dev, "failed to create PHY\n");
- return PTR_ERR(port->phy);
+ ret = PTR_ERR(port->phy);
+ goto put_child;
}
phy_set_drvdata(port->phy, port);
@@ -198,6 +202,9 @@ static int brcm_sata_phy_probe(struct platform_device *pdev)
dev_info(dev, "registered %d port(s)\n", count);
return 0;
+put_child:
+ of_node_put(child);
+ return ret;
}
static struct platform_driver brcm_sata_phy_driver = {
diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index fc48fac003a6..8c7f27db6ad3 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c
@@ -636,8 +636,9 @@ EXPORT_SYMBOL_GPL(devm_of_phy_get);
* @np: node containing the phy
* @index: index of the phy
*
- * Gets the phy using _of_phy_get(), and associates a device with it using
- * devres. On driver detach, release function is invoked on the devres data,
+ * Gets the phy using _of_phy_get(), then gets a refcount to it,
+ * and associates a device with it using devres. On driver detach,
+ * release function is invoked on the devres data,
* then, devres data is freed.
*
*/
@@ -651,13 +652,21 @@ struct phy *devm_of_phy_get_by_index(struct device *dev, struct device_node *np,
return ERR_PTR(-ENOMEM);
phy = _of_phy_get(np, index);
- if (!IS_ERR(phy)) {
- *ptr = phy;
- devres_add(dev, ptr);
- } else {
+ if (IS_ERR(phy)) {
devres_free(ptr);
+ return phy;
}
+ if (!try_module_get(phy->ops->owner)) {
+ devres_free(ptr);
+ return ERR_PTR(-EPROBE_DEFER);
+ }
+
+ get_device(&phy->dev);
+
+ *ptr = phy;
+ devres_add(dev, ptr);
+
return phy;
}
EXPORT_SYMBOL_GPL(devm_of_phy_get_by_index);
diff --git a/drivers/phy/phy-miphy28lp.c b/drivers/phy/phy-miphy28lp.c
index c47b56b4a2b8..3acd2a1808df 100644
--- a/drivers/phy/phy-miphy28lp.c
+++ b/drivers/phy/phy-miphy28lp.c
@@ -1226,15 +1226,18 @@ static int miphy28lp_probe(struct platform_device *pdev)
miphy_phy = devm_kzalloc(&pdev->dev, sizeof(*miphy_phy),
GFP_KERNEL);
- if (!miphy_phy)
- return -ENOMEM;
+ if (!miphy_phy) {
+ ret = -ENOMEM;
+ goto put_child;
+ }
miphy_dev->phys[port] = miphy_phy;
phy = devm_phy_create(&pdev->dev, child, &miphy28lp_ops);
if (IS_ERR(phy)) {
dev_err(&pdev->dev, "failed to create PHY\n");
- return PTR_ERR(phy);
+ ret = PTR_ERR(phy);
+ goto put_child;
}
miphy_dev->phys[port]->phy = phy;
@@ -1242,11 +1245,11 @@ static int miphy28lp_probe(struct platform_device *pdev)
ret = miphy28lp_of_probe(child, miphy_phy);
if (ret)
- return ret;
+ goto put_child;
ret = miphy28lp_probe_resets(child, miphy_dev->phys[port]);
if (ret)
- return ret;
+ goto put_child;
phy_set_drvdata(phy, miphy_dev->phys[port]);
port++;
@@ -1255,6 +1258,9 @@ static int miphy28lp_probe(struct platform_device *pdev)
provider = devm_of_phy_provider_register(&pdev->dev, miphy28lp_xlate);
return PTR_ERR_OR_ZERO(provider);
+put_child:
+ of_node_put(child);
+ return ret;
}
static const struct of_device_id miphy28lp_of_match[] = {
diff --git a/drivers/phy/phy-miphy365x.c b/drivers/phy/phy-miphy365x.c
index 00a686a073ed..e661f3b36eaa 100644
--- a/drivers/phy/phy-miphy365x.c
+++ b/drivers/phy/phy-miphy365x.c
@@ -566,22 +566,25 @@ static int miphy365x_probe(struct platform_device *pdev)
miphy_phy = devm_kzalloc(&pdev->dev, sizeof(*miphy_phy),
GFP_KERNEL);
- if (!miphy_phy)
- return -ENOMEM;
+ if (!miphy_phy) {
+ ret = -ENOMEM;
+ goto put_child;
+ }
miphy_dev->phys[port] = miphy_phy;
phy = devm_phy_create(&pdev->dev, child, &miphy365x_ops);
if (IS_ERR(phy)) {
dev_err(&pdev->dev, "failed to create PHY\n");
- return PTR_ERR(phy);
+ ret = PTR_ERR(phy);
+ goto put_child;
}
miphy_dev->phys[port]->phy = phy;
ret = miphy365x_of_probe(child, miphy_phy);
if (ret)
- return ret;
+ goto put_child;
phy_set_drvdata(phy, miphy_dev->phys[port]);
@@ -591,12 +594,15 @@ static int miphy365x_probe(struct platform_device *pdev)
&miphy_phy->ctrlreg);
if (ret) {
dev_err(&pdev->dev, "No sysconfig offset found\n");
- return ret;
+ goto put_child;
}
}
provider = devm_of_phy_provider_register(&pdev->dev, miphy365x_xlate);
return PTR_ERR_OR_ZERO(provider);
+put_child:
+ of_node_put(child);
+ return ret;
}
static const struct of_device_id miphy365x_of_match[] = {
diff --git a/drivers/phy/phy-mt65xx-usb3.c b/drivers/phy/phy-mt65xx-usb3.c
index f30b28bd41fe..e427c3b788ff 100644
--- a/drivers/phy/phy-mt65xx-usb3.c
+++ b/drivers/phy/phy-mt65xx-usb3.c
@@ -415,7 +415,7 @@ static int mt65xx_u3phy_probe(struct platform_device *pdev)
struct resource *sif_res;
struct mt65xx_u3phy *u3phy;
struct resource res;
- int port;
+ int port, retval;
u3phy = devm_kzalloc(dev, sizeof(*u3phy), GFP_KERNEL);
if (!u3phy)
@@ -447,31 +447,34 @@ static int mt65xx_u3phy_probe(struct platform_device *pdev)
for_each_child_of_node(np, child_np) {
struct mt65xx_phy_instance *instance;
struct phy *phy;
- int retval;
instance = devm_kzalloc(dev, sizeof(*instance), GFP_KERNEL);
- if (!instance)
- return -ENOMEM;
+ if (!instance) {
+ retval = -ENOMEM;
+ goto put_child;
+ }
u3phy->phys[port] = instance;
phy = devm_phy_create(dev, child_np, &mt65xx_u3phy_ops);
if (IS_ERR(phy)) {
dev_err(dev, "failed to create phy\n");
- return PTR_ERR(phy);
+ retval = PTR_ERR(phy);
+ goto put_child;
}
retval = of_address_to_resource(child_np, 0, &res);
if (retval) {
dev_err(dev, "failed to get address resource(id-%d)\n",
port);
- return retval;
+ goto put_child;
}
instance->port_base = devm_ioremap_resource(&phy->dev, &res);
if (IS_ERR(instance->port_base)) {
dev_err(dev, "failed to remap phy regs\n");
- return PTR_ERR(instance->port_base);
+ retval = PTR_ERR(instance->port_base);
+ goto put_child;
}
instance->phy = phy;
@@ -483,6 +486,9 @@ static int mt65xx_u3phy_probe(struct platform_device *pdev)
provider = devm_of_phy_provider_register(dev, mt65xx_phy_xlate);
return PTR_ERR_OR_ZERO(provider);
+put_child:
+ of_node_put(child_np);
+ return retval;
}
static const struct of_device_id mt65xx_u3phy_id_table[] = {
diff --git a/drivers/phy/phy-rockchip-usb.c b/drivers/phy/phy-rockchip-usb.c
index 91d6f342c565..62c43c435194 100644
--- a/drivers/phy/phy-rockchip-usb.c
+++ b/drivers/phy/phy-rockchip-usb.c
@@ -108,13 +108,16 @@ static int rockchip_usb_phy_probe(struct platform_device *pdev)
for_each_available_child_of_node(dev->of_node, child) {
rk_phy = devm_kzalloc(dev, sizeof(*rk_phy), GFP_KERNEL);
- if (!rk_phy)
- return -ENOMEM;
+ if (!rk_phy) {
+ err = -ENOMEM;
+ goto put_child;
+ }
if (of_property_read_u32(child, "reg", &reg_offset)) {
dev_err(dev, "missing reg property in node %s\n",
child->name);
- return -EINVAL;
+ err = -EINVAL;
+ goto put_child;
}
rk_phy->reg_offset = reg_offset;
@@ -127,18 +130,22 @@ static int rockchip_usb_phy_probe(struct platform_device *pdev)
rk_phy->phy = devm_phy_create(dev, child, &ops);
if (IS_ERR(rk_phy->phy)) {
dev_err(dev, "failed to create PHY\n");
- return PTR_ERR(rk_phy->phy);
+ err = PTR_ERR(rk_phy->phy);
+ goto put_child;
}
phy_set_drvdata(rk_phy->phy, rk_phy);
/* only power up usb phy when it use, so disable it when init*/
err = rockchip_usb_phy_power(rk_phy, 1);
if (err)
- return err;
+ goto put_child;
}
phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
return PTR_ERR_OR_ZERO(phy_provider);
+put_child:
+ of_node_put(child);
+ return err;
}
static const struct of_device_id rockchip_usb_phy_dt_ids[] = {
diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2835.c b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
index a1ea565fcd46..2e6ca69635aa 100644
--- a/drivers/pinctrl/bcm/pinctrl-bcm2835.c
+++ b/drivers/pinctrl/bcm/pinctrl-bcm2835.c
@@ -342,12 +342,6 @@ static int bcm2835_gpio_get(struct gpio_chip *chip, unsigned offset)
return bcm2835_gpio_get_bit(pc, GPLEV0, offset);
}
-static int bcm2835_gpio_direction_output(struct gpio_chip *chip,
- unsigned offset, int value)
-{
- return pinctrl_gpio_direction_output(chip->base + offset);
-}
-
static void bcm2835_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
{
struct bcm2835_pinctrl *pc = dev_get_drvdata(chip->dev);
@@ -355,6 +349,13 @@ static void bcm2835_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
bcm2835_gpio_set_bit(pc, value ? GPSET0 : GPCLR0, offset);
}
+static int bcm2835_gpio_direction_output(struct gpio_chip *chip,
+ unsigned offset, int value)
+{
+ bcm2835_gpio_set(chip, offset, value);
+ return pinctrl_gpio_direction_output(chip->base + offset);
+}
+
static int bcm2835_gpio_to_irq(struct gpio_chip *chip, unsigned offset)
{
struct bcm2835_pinctrl *pc = dev_get_drvdata(chip->dev);
diff --git a/drivers/pinctrl/freescale/pinctrl-vf610.c b/drivers/pinctrl/freescale/pinctrl-vf610.c
index 37a037543d29..587d1ff6210e 100644
--- a/drivers/pinctrl/freescale/pinctrl-vf610.c
+++ b/drivers/pinctrl/freescale/pinctrl-vf610.c
@@ -299,7 +299,7 @@ static const struct pinctrl_pin_desc vf610_pinctrl_pads[] = {
static struct imx_pinctrl_soc_info vf610_pinctrl_info = {
.pins = vf610_pinctrl_pads,
.npins = ARRAY_SIZE(vf610_pinctrl_pads),
- .flags = SHARE_MUX_CONF_REG,
+ .flags = SHARE_MUX_CONF_REG | ZERO_OFFSET_VALID,
};
static const struct of_device_id vf610_pinctrl_of_match[] = {
diff --git a/drivers/pinctrl/intel/pinctrl-broxton.c b/drivers/pinctrl/intel/pinctrl-broxton.c
index e42d5d4183f5..5979d38c46b2 100644
--- a/drivers/pinctrl/intel/pinctrl-broxton.c
+++ b/drivers/pinctrl/intel/pinctrl-broxton.c
@@ -28,6 +28,7 @@
.padcfglock_offset = BXT_PADCFGLOCK, \
.hostown_offset = BXT_HOSTSW_OWN, \
.ie_offset = BXT_GPI_IE, \
+ .gpp_size = 32, \
.pin_base = (s), \
.npins = ((e) - (s) + 1), \
}
diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c
index 392e28d3f48d..26f6b6ffea5b 100644
--- a/drivers/pinctrl/intel/pinctrl-intel.c
+++ b/drivers/pinctrl/intel/pinctrl-intel.c
@@ -25,9 +25,6 @@
#include "pinctrl-intel.h"
-/* Maximum number of pads in each group */
-#define NPADS_IN_GPP 24
-
/* Offset from regs */
#define PADBAR 0x00c
#define GPI_IS 0x100
@@ -37,6 +34,7 @@
#define PADOWN_BITS 4
#define PADOWN_SHIFT(p) ((p) % 8 * PADOWN_BITS)
#define PADOWN_MASK(p) (0xf << PADOWN_SHIFT(p))
+#define PADOWN_GPP(p) ((p) / 8)
/* Offset from pad_regs */
#define PADCFG0 0x000
@@ -142,7 +140,7 @@ static void __iomem *intel_get_padcfg(struct intel_pinctrl *pctrl, unsigned pin,
static bool intel_pad_owned_by_host(struct intel_pinctrl *pctrl, unsigned pin)
{
const struct intel_community *community;
- unsigned padno, gpp, gpp_offset, offset;
+ unsigned padno, gpp, offset, group;
void __iomem *padown;
community = intel_get_community(pctrl, pin);
@@ -152,9 +150,9 @@ static bool intel_pad_owned_by_host(struct intel_pinctrl *pctrl, unsigned pin)
return true;
padno = pin_to_padno(community, pin);
- gpp = padno / NPADS_IN_GPP;
- gpp_offset = padno % NPADS_IN_GPP;
- offset = community->padown_offset + gpp * 16 + (gpp_offset / 8) * 4;
+ group = padno / community->gpp_size;
+ gpp = PADOWN_GPP(padno % community->gpp_size);
+ offset = community->padown_offset + 0x10 * group + gpp * 4;
padown = community->regs + offset;
return !(readl(padown) & PADOWN_MASK(padno));
@@ -173,11 +171,11 @@ static bool intel_pad_acpi_mode(struct intel_pinctrl *pctrl, unsigned pin)
return false;
padno = pin_to_padno(community, pin);
- gpp = padno / NPADS_IN_GPP;
+ gpp = padno / community->gpp_size;
offset = community->hostown_offset + gpp * 4;
hostown = community->regs + offset;
- return !(readl(hostown) & BIT(padno % NPADS_IN_GPP));
+ return !(readl(hostown) & BIT(padno % community->gpp_size));
}
static bool intel_pad_locked(struct intel_pinctrl *pctrl, unsigned pin)
@@ -193,7 +191,7 @@ static bool intel_pad_locked(struct intel_pinctrl *pctrl, unsigned pin)
return false;
padno = pin_to_padno(community, pin);
- gpp = padno / NPADS_IN_GPP;
+ gpp = padno / community->gpp_size;
/*
* If PADCFGLOCK and PADCFGLOCKTX bits are both clear for this pad,
@@ -202,12 +200,12 @@ static bool intel_pad_locked(struct intel_pinctrl *pctrl, unsigned pin)
*/
offset = community->padcfglock_offset + gpp * 8;
value = readl(community->regs + offset);
- if (value & BIT(pin % NPADS_IN_GPP))
+ if (value & BIT(pin % community->gpp_size))
return true;
offset = community->padcfglock_offset + 4 + gpp * 8;
value = readl(community->regs + offset);
- if (value & BIT(pin % NPADS_IN_GPP))
+ if (value & BIT(pin % community->gpp_size))
return true;
return false;
@@ -663,8 +661,8 @@ static void intel_gpio_irq_ack(struct irq_data *d)
community = intel_get_community(pctrl, pin);
if (community) {
unsigned padno = pin_to_padno(community, pin);
- unsigned gpp_offset = padno % NPADS_IN_GPP;
- unsigned gpp = padno / NPADS_IN_GPP;
+ unsigned gpp_offset = padno % community->gpp_size;
+ unsigned gpp = padno / community->gpp_size;
writel(BIT(gpp_offset), community->regs + GPI_IS + gpp * 4);
}
@@ -685,8 +683,8 @@ static void intel_gpio_irq_mask_unmask(struct irq_data *d, bool mask)
community = intel_get_community(pctrl, pin);
if (community) {
unsigned padno = pin_to_padno(community, pin);
- unsigned gpp_offset = padno % NPADS_IN_GPP;
- unsigned gpp = padno / NPADS_IN_GPP;
+ unsigned gpp_offset = padno % community->gpp_size;
+ unsigned gpp = padno / community->gpp_size;
void __iomem *reg;
u32 value;
@@ -780,8 +778,8 @@ static int intel_gpio_irq_wake(struct irq_data *d, unsigned int on)
return -EINVAL;
padno = pin_to_padno(community, pin);
- gpp = padno / NPADS_IN_GPP;
- gpp_offset = padno % NPADS_IN_GPP;
+ gpp = padno / community->gpp_size;
+ gpp_offset = padno % community->gpp_size;
/* Clear the existing wake status */
writel(BIT(gpp_offset), community->regs + GPI_GPE_STS + gpp * 4);
@@ -819,14 +817,14 @@ static irqreturn_t intel_gpio_community_irq_handler(struct intel_pinctrl *pctrl,
/* Only interrupts that are enabled */
pending &= enabled;
- for_each_set_bit(gpp_offset, &pending, NPADS_IN_GPP) {
+ for_each_set_bit(gpp_offset, &pending, community->gpp_size) {
unsigned padno, irq;
/*
* The last group in community can have less pins
* than NPADS_IN_GPP.
*/
- padno = gpp_offset + gpp * NPADS_IN_GPP;
+ padno = gpp_offset + gpp * community->gpp_size;
if (padno >= community->npins)
break;
@@ -1002,7 +1000,8 @@ int intel_pinctrl_probe(struct platform_device *pdev,
community->regs = regs;
community->pad_regs = regs + padbar;
- community->ngpps = DIV_ROUND_UP(community->npins, NPADS_IN_GPP);
+ community->ngpps = DIV_ROUND_UP(community->npins,
+ community->gpp_size);
}
irq = platform_get_irq(pdev, 0);
diff --git a/drivers/pinctrl/intel/pinctrl-intel.h b/drivers/pinctrl/intel/pinctrl-intel.h
index 4ec8b572a288..b60215793017 100644
--- a/drivers/pinctrl/intel/pinctrl-intel.h
+++ b/drivers/pinctrl/intel/pinctrl-intel.h
@@ -55,6 +55,8 @@ struct intel_function {
* ACPI).
* @ie_offset: Register offset of GPI_IE from @regs.
* @pin_base: Starting pin of pins in this community
+ * @gpp_size: Maximum number of pads in each group, such as PADCFGLOCK,
+ * HOSTSW_OWN, GPI_IS, GPI_IE, etc.
* @npins: Number of pins in this community
* @regs: Community specific common registers (reserved for core driver)
* @pad_regs: Community specific pad registers (reserved for core driver)
@@ -68,6 +70,7 @@ struct intel_community {
unsigned hostown_offset;
unsigned ie_offset;
unsigned pin_base;
+ unsigned gpp_size;
size_t npins;
void __iomem *regs;
void __iomem *pad_regs;
diff --git a/drivers/pinctrl/intel/pinctrl-sunrisepoint.c b/drivers/pinctrl/intel/pinctrl-sunrisepoint.c
index 1de9ae5010db..c725a5313b4e 100644
--- a/drivers/pinctrl/intel/pinctrl-sunrisepoint.c
+++ b/drivers/pinctrl/intel/pinctrl-sunrisepoint.c
@@ -30,6 +30,7 @@
.padcfglock_offset = SPT_PADCFGLOCK, \
.hostown_offset = SPT_HOSTSW_OWN, \
.ie_offset = SPT_GPI_IE, \
+ .gpp_size = 24, \
.pin_base = (s), \
.npins = ((e) - (s) + 1), \
}
diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c
index cc97f0869791..48747c28a43d 100644
--- a/drivers/powercap/intel_rapl.c
+++ b/drivers/powercap/intel_rapl.c
@@ -1341,10 +1341,13 @@ static int rapl_detect_domains(struct rapl_package *rp, int cpu)
for (rd = rp->domains; rd < rp->domains + rp->nr_domains; rd++) {
/* check if the domain is locked by BIOS */
- if (rapl_read_data_raw(rd, FW_LOCK, false, &locked)) {
+ ret = rapl_read_data_raw(rd, FW_LOCK, false, &locked);
+ if (ret)
+ return ret;
+ if (locked) {
pr_info("RAPL package %d domain %s locked by BIOS\n",
rp->id, rd->name);
- rd->state |= DOMAIN_STATE_BIOS_LOCKED;
+ rd->state |= DOMAIN_STATE_BIOS_LOCKED;
}
}
diff --git a/drivers/rtc/rtc-da9063.c b/drivers/rtc/rtc-da9063.c
index 284b587da65c..d6c853bbfa9f 100644
--- a/drivers/rtc/rtc-da9063.c
+++ b/drivers/rtc/rtc-da9063.c
@@ -483,24 +483,23 @@ static int da9063_rtc_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, rtc);
+ rtc->rtc_dev = devm_rtc_device_register(&pdev->dev, DA9063_DRVNAME_RTC,
+ &da9063_rtc_ops, THIS_MODULE);
+ if (IS_ERR(rtc->rtc_dev))
+ return PTR_ERR(rtc->rtc_dev);
+
+ da9063_data_to_tm(data, &rtc->alarm_time, rtc);
+ rtc->rtc_sync = false;
+
irq_alarm = platform_get_irq_byname(pdev, "ALARM");
ret = devm_request_threaded_irq(&pdev->dev, irq_alarm, NULL,
da9063_alarm_event,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
"ALARM", rtc);
- if (ret) {
+ if (ret)
dev_err(&pdev->dev, "Failed to request ALARM IRQ %d: %d\n",
irq_alarm, ret);
- return ret;
- }
-
- rtc->rtc_dev = devm_rtc_device_register(&pdev->dev, DA9063_DRVNAME_RTC,
- &da9063_rtc_ops, THIS_MODULE);
- if (IS_ERR(rtc->rtc_dev))
- return PTR_ERR(rtc->rtc_dev);
- da9063_data_to_tm(data, &rtc->alarm_time, rtc);
- rtc->rtc_sync = false;
return ret;
}
diff --git a/drivers/rtc/rtc-rk808.c b/drivers/rtc/rtc-rk808.c
index 91ca0bc1b484..35c9aada07c8 100644
--- a/drivers/rtc/rtc-rk808.c
+++ b/drivers/rtc/rtc-rk808.c
@@ -56,6 +56,42 @@ struct rk808_rtc {
int irq;
};
+/*
+ * The Rockchip calendar used by the RK808 counts November with 31 days. We use
+ * these translation functions to convert its dates to/from the Gregorian
+ * calendar used by the rest of the world. We arbitrarily define Jan 1st, 2016
+ * as the day when both calendars were in sync, and treat all other dates
+ * relative to that.
+ * NOTE: Other system software (e.g. firmware) that reads the same hardware must
+ * implement this exact same conversion algorithm, with the same anchor date.
+ */
+static time64_t nov2dec_transitions(struct rtc_time *tm)
+{
+ return (tm->tm_year + 1900) - 2016 + (tm->tm_mon + 1 > 11 ? 1 : 0);
+}
+
+static void rockchip_to_gregorian(struct rtc_time *tm)
+{
+ /* If it's Nov 31st, rtc_tm_to_time64() will count that like Dec 1st */
+ time64_t time = rtc_tm_to_time64(tm);
+ rtc_time64_to_tm(time + nov2dec_transitions(tm) * 86400, tm);
+}
+
+static void gregorian_to_rockchip(struct rtc_time *tm)
+{
+ time64_t extra_days = nov2dec_transitions(tm);
+ time64_t time = rtc_tm_to_time64(tm);
+ rtc_time64_to_tm(time - extra_days * 86400, tm);
+
+ /* Compensate if we went back over Nov 31st (will work up to 2381) */
+ if (nov2dec_transitions(tm) < extra_days) {
+ if (tm->tm_mon + 1 == 11)
+ tm->tm_mday++; /* This may result in 31! */
+ else
+ rtc_time64_to_tm(time - (extra_days - 1) * 86400, tm);
+ }
+}
+
/* Read current time and date in RTC */
static int rk808_rtc_readtime(struct device *dev, struct rtc_time *tm)
{
@@ -101,9 +137,10 @@ static int rk808_rtc_readtime(struct device *dev, struct rtc_time *tm)
tm->tm_mon = (bcd2bin(rtc_data[4] & MONTHS_REG_MSK)) - 1;
tm->tm_year = (bcd2bin(rtc_data[5] & YEARS_REG_MSK)) + 100;
tm->tm_wday = bcd2bin(rtc_data[6] & WEEKS_REG_MSK);
+ rockchip_to_gregorian(tm);
dev_dbg(dev, "RTC date/time %4d-%02d-%02d(%d) %02d:%02d:%02d\n",
1900 + tm->tm_year, tm->tm_mon + 1, tm->tm_mday,
- tm->tm_wday, tm->tm_hour , tm->tm_min, tm->tm_sec);
+ tm->tm_wday, tm->tm_hour, tm->tm_min, tm->tm_sec);
return ret;
}
@@ -116,6 +153,10 @@ static int rk808_rtc_set_time(struct device *dev, struct rtc_time *tm)
u8 rtc_data[NUM_TIME_REGS];
int ret;
+ dev_dbg(dev, "set RTC date/time %4d-%02d-%02d(%d) %02d:%02d:%02d\n",
+ 1900 + tm->tm_year, tm->tm_mon + 1, tm->tm_mday,
+ tm->tm_wday, tm->tm_hour, tm->tm_min, tm->tm_sec);
+ gregorian_to_rockchip(tm);
rtc_data[0] = bin2bcd(tm->tm_sec);
rtc_data[1] = bin2bcd(tm->tm_min);
rtc_data[2] = bin2bcd(tm->tm_hour);
@@ -123,9 +164,6 @@ static int rk808_rtc_set_time(struct device *dev, struct rtc_time *tm)
rtc_data[4] = bin2bcd(tm->tm_mon + 1);
rtc_data[5] = bin2bcd(tm->tm_year - 100);
rtc_data[6] = bin2bcd(tm->tm_wday);
- dev_dbg(dev, "set RTC date/time %4d-%02d-%02d(%d) %02d:%02d:%02d\n",
- 1900 + tm->tm_year, tm->tm_mon + 1, tm->tm_mday,
- tm->tm_wday, tm->tm_hour , tm->tm_min, tm->tm_sec);
/* Stop RTC while updating the RTC registers */
ret = regmap_update_bits(rk808->regmap, RK808_RTC_CTRL_REG,
@@ -170,6 +208,7 @@ static int rk808_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
alrm->time.tm_mday = bcd2bin(alrm_data[3] & DAYS_REG_MSK);
alrm->time.tm_mon = (bcd2bin(alrm_data[4] & MONTHS_REG_MSK)) - 1;
alrm->time.tm_year = (bcd2bin(alrm_data[5] & YEARS_REG_MSK)) + 100;
+ rockchip_to_gregorian(&alrm->time);
ret = regmap_read(rk808->regmap, RK808_RTC_INT_REG, &int_reg);
if (ret) {
@@ -227,6 +266,7 @@ static int rk808_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
alrm->time.tm_mday, alrm->time.tm_wday, alrm->time.tm_hour,
alrm->time.tm_min, alrm->time.tm_sec);
+ gregorian_to_rockchip(&alrm->time);
alrm_data[0] = bin2bcd(alrm->time.tm_sec);
alrm_data[1] = bin2bcd(alrm->time.tm_min);
alrm_data[2] = bin2bcd(alrm->time.tm_hour);
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 61f768518a34..24ec282e15d8 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -599,8 +599,10 @@ static enum ap_wait ap_sm_read(struct ap_device *ap_dev)
status = ap_sm_recv(ap_dev);
switch (status.response_code) {
case AP_RESPONSE_NORMAL:
- if (ap_dev->queue_count > 0)
+ if (ap_dev->queue_count > 0) {
+ ap_dev->state = AP_STATE_WORKING;
return AP_WAIT_AGAIN;
+ }
ap_dev->state = AP_STATE_IDLE;
return AP_WAIT_NONE;
case AP_RESPONSE_NO_PENDING_REPLY:
diff --git a/drivers/s390/virtio/virtio_ccw.c b/drivers/s390/virtio/virtio_ccw.c
index b2a1a81e6fc8..1b831598df7c 100644
--- a/drivers/s390/virtio/virtio_ccw.c
+++ b/drivers/s390/virtio/virtio_ccw.c
@@ -984,6 +984,36 @@ static struct virtqueue *virtio_ccw_vq_by_ind(struct virtio_ccw_device *vcdev,
return vq;
}
+static void virtio_ccw_check_activity(struct virtio_ccw_device *vcdev,
+ __u32 activity)
+{
+ if (vcdev->curr_io & activity) {
+ switch (activity) {
+ case VIRTIO_CCW_DOING_READ_FEAT:
+ case VIRTIO_CCW_DOING_WRITE_FEAT:
+ case VIRTIO_CCW_DOING_READ_CONFIG:
+ case VIRTIO_CCW_DOING_WRITE_CONFIG:
+ case VIRTIO_CCW_DOING_WRITE_STATUS:
+ case VIRTIO_CCW_DOING_SET_VQ:
+ case VIRTIO_CCW_DOING_SET_IND:
+ case VIRTIO_CCW_DOING_SET_CONF_IND:
+ case VIRTIO_CCW_DOING_RESET:
+ case VIRTIO_CCW_DOING_READ_VQ_CONF:
+ case VIRTIO_CCW_DOING_SET_IND_ADAPTER:
+ case VIRTIO_CCW_DOING_SET_VIRTIO_REV:
+ vcdev->curr_io &= ~activity;
+ wake_up(&vcdev->wait_q);
+ break;
+ default:
+ /* don't know what to do... */
+ dev_warn(&vcdev->cdev->dev,
+ "Suspicious activity '%08x'\n", activity);
+ WARN_ON(1);
+ break;
+ }
+ }
+}
+
static void virtio_ccw_int_handler(struct ccw_device *cdev,
unsigned long intparm,
struct irb *irb)
@@ -995,6 +1025,12 @@ static void virtio_ccw_int_handler(struct ccw_device *cdev,
if (!vcdev)
return;
+ if (IS_ERR(irb)) {
+ vcdev->err = PTR_ERR(irb);
+ virtio_ccw_check_activity(vcdev, activity);
+ /* Don't poke around indicators, something's wrong. */
+ return;
+ }
/* Check if it's a notification from the host. */
if ((intparm == 0) &&
(scsw_stctl(&irb->scsw) ==
@@ -1010,31 +1046,7 @@ static void virtio_ccw_int_handler(struct ccw_device *cdev,
/* Map everything else to -EIO. */
vcdev->err = -EIO;
}
- if (vcdev->curr_io & activity) {
- switch (activity) {
- case VIRTIO_CCW_DOING_READ_FEAT:
- case VIRTIO_CCW_DOING_WRITE_FEAT:
- case VIRTIO_CCW_DOING_READ_CONFIG:
- case VIRTIO_CCW_DOING_WRITE_CONFIG:
- case VIRTIO_CCW_DOING_WRITE_STATUS:
- case VIRTIO_CCW_DOING_SET_VQ:
- case VIRTIO_CCW_DOING_SET_IND:
- case VIRTIO_CCW_DOING_SET_CONF_IND:
- case VIRTIO_CCW_DOING_RESET:
- case VIRTIO_CCW_DOING_READ_VQ_CONF:
- case VIRTIO_CCW_DOING_SET_IND_ADAPTER:
- case VIRTIO_CCW_DOING_SET_VIRTIO_REV:
- vcdev->curr_io &= ~activity;
- wake_up(&vcdev->wait_q);
- break;
- default:
- /* don't know what to do... */
- dev_warn(&cdev->dev, "Suspicious activity '%08x'\n",
- activity);
- WARN_ON(1);
- break;
- }
- }
+ virtio_ccw_check_activity(vcdev, activity);
for_each_set_bit(i, &vcdev->indicators,
sizeof(vcdev->indicators) * BITS_PER_BYTE) {
/* The bit clear must happen before the vring kick. */
diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c
index e4b799837948..459abe1dcc87 100644
--- a/drivers/scsi/scsi_pm.c
+++ b/drivers/scsi/scsi_pm.c
@@ -219,13 +219,13 @@ static int sdev_runtime_suspend(struct device *dev)
struct scsi_device *sdev = to_scsi_device(dev);
int err = 0;
- if (pm && pm->runtime_suspend) {
- err = blk_pre_runtime_suspend(sdev->request_queue);
- if (err)
- return err;
+ err = blk_pre_runtime_suspend(sdev->request_queue);
+ if (err)
+ return err;
+ if (pm && pm->runtime_suspend)
err = pm->runtime_suspend(dev);
- blk_post_runtime_suspend(sdev->request_queue, err);
- }
+ blk_post_runtime_suspend(sdev->request_queue, err);
+
return err;
}
@@ -248,11 +248,11 @@ static int sdev_runtime_resume(struct device *dev)
const struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL;
int err = 0;
- if (pm && pm->runtime_resume) {
- blk_pre_runtime_resume(sdev->request_queue);
+ blk_pre_runtime_resume(sdev->request_queue);
+ if (pm && pm->runtime_resume)
err = pm->runtime_resume(dev);
- blk_post_runtime_resume(sdev->request_queue, err);
- }
+ blk_post_runtime_resume(sdev->request_queue, err);
+
return err;
}
diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c
index dcb0d76d7312..044d06410d4c 100644
--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -84,6 +84,7 @@ static void init_device_slot_control(unsigned char *dest_desc,
static int ses_recv_diag(struct scsi_device *sdev, int page_code,
void *buf, int bufflen)
{
+ int ret;
unsigned char cmd[] = {
RECEIVE_DIAGNOSTIC,
1, /* Set PCV bit */
@@ -92,9 +93,26 @@ static int ses_recv_diag(struct scsi_device *sdev, int page_code,
bufflen & 0xff,
0
};
+ unsigned char recv_page_code;
- return scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen,
+ ret = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen,
NULL, SES_TIMEOUT, SES_RETRIES, NULL);
+ if (unlikely(!ret))
+ return ret;
+
+ recv_page_code = ((unsigned char *)buf)[0];
+
+ if (likely(recv_page_code == page_code))
+ return ret;
+
+ /* successful diagnostic but wrong page code. This happens to some
+ * USB devices, just print a message and pretend there was an error */
+
+ sdev_printk(KERN_ERR, sdev,
+ "Wrong diagnostic page; asked for %d got %u\n",
+ page_code, recv_page_code);
+
+ return -EINVAL;
}
static int ses_send_diag(struct scsi_device *sdev, int page_code,
@@ -541,7 +559,15 @@ static void ses_enclosure_data_process(struct enclosure_device *edev,
if (desc_ptr)
desc_ptr += len;
- if (addl_desc_ptr)
+ if (addl_desc_ptr &&
+ /* only find additional descriptions for specific devices */
+ (type_ptr[0] == ENCLOSURE_COMPONENT_DEVICE ||
+ type_ptr[0] == ENCLOSURE_COMPONENT_ARRAY_DEVICE ||
+ type_ptr[0] == ENCLOSURE_COMPONENT_SAS_EXPANDER ||
+ /* these elements are optional */
+ type_ptr[0] == ENCLOSURE_COMPONENT_SCSI_TARGET_PORT ||
+ type_ptr[0] == ENCLOSURE_COMPONENT_SCSI_INITIATOR_PORT ||
+ type_ptr[0] == ENCLOSURE_COMPONENT_CONTROLLER_ELECTRONICS))
addl_desc_ptr += addl_desc_ptr[1] + 2;
}
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c
index 59a11437db70..39412c9097c6 100644
--- a/drivers/spi/spi-fsl-dspi.c
+++ b/drivers/spi/spi-fsl-dspi.c
@@ -167,7 +167,7 @@ static inline int is_double_byte_mode(struct fsl_dspi *dspi)
{
unsigned int val;
- regmap_read(dspi->regmap, SPI_CTAR(dspi->cs), &val);
+ regmap_read(dspi->regmap, SPI_CTAR(0), &val);
return ((val & SPI_FRAME_BITS_MASK) == SPI_FRAME_BITS(8)) ? 0 : 1;
}
@@ -257,7 +257,7 @@ static u32 dspi_data_to_pushr(struct fsl_dspi *dspi, int tx_word)
return SPI_PUSHR_TXDATA(d16) |
SPI_PUSHR_PCS(dspi->cs) |
- SPI_PUSHR_CTAS(dspi->cs) |
+ SPI_PUSHR_CTAS(0) |
SPI_PUSHR_CONT;
}
@@ -290,7 +290,7 @@ static int dspi_eoq_write(struct fsl_dspi *dspi)
*/
if (tx_word && (dspi->len == 1)) {
dspi->dataflags |= TRAN_STATE_WORD_ODD_NUM;
- regmap_update_bits(dspi->regmap, SPI_CTAR(dspi->cs),
+ regmap_update_bits(dspi->regmap, SPI_CTAR(0),
SPI_FRAME_BITS_MASK, SPI_FRAME_BITS(8));
tx_word = 0;
}
@@ -339,7 +339,7 @@ static int dspi_tcfq_write(struct fsl_dspi *dspi)
if (tx_word && (dspi->len == 1)) {
dspi->dataflags |= TRAN_STATE_WORD_ODD_NUM;
- regmap_update_bits(dspi->regmap, SPI_CTAR(dspi->cs),
+ regmap_update_bits(dspi->regmap, SPI_CTAR(0),
SPI_FRAME_BITS_MASK, SPI_FRAME_BITS(8));
tx_word = 0;
}
@@ -407,7 +407,7 @@ static int dspi_transfer_one_message(struct spi_master *master,
regmap_update_bits(dspi->regmap, SPI_MCR,
SPI_MCR_CLR_TXF | SPI_MCR_CLR_RXF,
SPI_MCR_CLR_TXF | SPI_MCR_CLR_RXF);
- regmap_write(dspi->regmap, SPI_CTAR(dspi->cs),
+ regmap_write(dspi->regmap, SPI_CTAR(0),
dspi->cur_chip->ctar_val);
trans_mode = dspi->devtype_data->trans_mode;
@@ -566,7 +566,7 @@ static irqreturn_t dspi_interrupt(int irq, void *dev_id)
if (!dspi->len) {
if (dspi->dataflags & TRAN_STATE_WORD_ODD_NUM) {
regmap_update_bits(dspi->regmap,
- SPI_CTAR(dspi->cs),
+ SPI_CTAR(0),
SPI_FRAME_BITS_MASK,
SPI_FRAME_BITS(16));
dspi->dataflags &= ~TRAN_STATE_WORD_ODD_NUM;
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 2b0a8ec3affb..dee1cb87d24f 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1705,7 +1705,7 @@ struct spi_master *spi_alloc_master(struct device *dev, unsigned size)
master->bus_num = -1;
master->num_chipselect = 1;
master->dev.class = &spi_master_class;
- master->dev.parent = get_device(dev);
+ master->dev.parent = dev;
spi_master_set_devdata(master, &master[1]);
return master;
diff --git a/drivers/spi/spidev.c b/drivers/spi/spidev.c
index 91a0fcd72423..d0e7dfc647cf 100644
--- a/drivers/spi/spidev.c
+++ b/drivers/spi/spidev.c
@@ -651,11 +651,11 @@ static int spidev_release(struct inode *inode, struct file *filp)
kfree(spidev->rx_buffer);
spidev->rx_buffer = NULL;
+ spin_lock_irq(&spidev->spi_lock);
if (spidev->spi)
spidev->speed_hz = spidev->spi->max_speed_hz;
/* ... after we unbound from the underlying device? */
- spin_lock_irq(&spidev->spi_lock);
dofree = (spidev->spi == NULL);
spin_unlock_irq(&spidev->spi_lock);
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index ed776149261e..e49c2bce551d 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -2054,13 +2054,13 @@ static int canon_copy_from_read_buf(struct tty_struct *tty,
size_t eol;
size_t tail;
int ret, found = 0;
- bool eof_push = 0;
/* N.B. avoid overrun if nr == 0 */
- n = min(*nr, smp_load_acquire(&ldata->canon_head) - ldata->read_tail);
- if (!n)
+ if (!*nr)
return 0;
+ n = min(*nr + 1, smp_load_acquire(&ldata->canon_head) - ldata->read_tail);
+
tail = ldata->read_tail & (N_TTY_BUF_SIZE - 1);
size = min_t(size_t, tail + n, N_TTY_BUF_SIZE);
@@ -2081,12 +2081,11 @@ static int canon_copy_from_read_buf(struct tty_struct *tty,
n = eol - tail;
if (n > N_TTY_BUF_SIZE)
n += N_TTY_BUF_SIZE;
- n += found;
- c = n;
+ c = n + found;
- if (found && !ldata->push && read_buf(ldata, eol) == __DISABLED_CHAR) {
- n--;
- eof_push = !n && ldata->read_tail != ldata->line_start;
+ if (!found || read_buf(ldata, eol) != __DISABLED_CHAR) {
+ c = min(*nr, c);
+ n = c;
}
n_tty_trace("%s: eol:%zu found:%d n:%zu c:%zu size:%zu more:%zu\n",
@@ -2116,7 +2115,7 @@ static int canon_copy_from_read_buf(struct tty_struct *tty,
ldata->push = 0;
tty_audit_push(tty);
}
- return eof_push ? -EAGAIN : 0;
+ return 0;
}
extern ssize_t redirected_tty_write(struct file *, const char __user *,
@@ -2273,10 +2272,7 @@ static ssize_t n_tty_read(struct tty_struct *tty, struct file *file,
if (ldata->icanon && !L_EXTPROC(tty)) {
retval = canon_copy_from_read_buf(tty, &b, &nr);
- if (retval == -EAGAIN) {
- retval = 0;
- continue;
- } else if (retval)
+ if (retval)
break;
} else {
int uncopied;
diff --git a/drivers/tty/serial/8250/8250_uniphier.c b/drivers/tty/serial/8250/8250_uniphier.c
index d11621e2cf1d..245edbb68d4b 100644
--- a/drivers/tty/serial/8250/8250_uniphier.c
+++ b/drivers/tty/serial/8250/8250_uniphier.c
@@ -115,12 +115,16 @@ static void uniphier_serial_out(struct uart_port *p, int offset, int value)
*/
static int uniphier_serial_dl_read(struct uart_8250_port *up)
{
- return readl(up->port.membase + UNIPHIER_UART_DLR);
+ int offset = UNIPHIER_UART_DLR << up->port.regshift;
+
+ return readl(up->port.membase + offset);
}
static void uniphier_serial_dl_write(struct uart_8250_port *up, int value)
{
- writel(value, up->port.membase + UNIPHIER_UART_DLR);
+ int offset = UNIPHIER_UART_DLR << up->port.regshift;
+
+ writel(value, up->port.membase + offset);
}
static int uniphier_of_serial_setup(struct device *dev, struct uart_port *port,
diff --git a/drivers/tty/serial/earlycon.c b/drivers/tty/serial/earlycon.c
index f09636083426..b5b2f2be6be7 100644
--- a/drivers/tty/serial/earlycon.c
+++ b/drivers/tty/serial/earlycon.c
@@ -115,6 +115,7 @@ static int __init register_earlycon(char *buf, const struct earlycon_id *match)
if (buf && !parse_options(&early_console_dev, buf))
buf = NULL;
+ spin_lock_init(&port->lock);
port->uartclk = BASE_BAUD * 16;
if (port->mapbase)
port->membase = earlycon_map(port->mapbase, 64);
@@ -202,6 +203,7 @@ int __init of_setup_earlycon(unsigned long addr,
int err;
struct uart_port *port = &early_console_dev.port;
+ spin_lock_init(&port->lock);
port->iotype = UPIO_MEM;
port->mapbase = addr;
port->uartclk = BASE_BAUD * 16;
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 960e50a97558..51c7507b0444 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1437,7 +1437,7 @@ static void sci_request_dma(struct uart_port *port)
sg_init_table(sg, 1);
s->rx_buf[i] = buf;
sg_dma_address(sg) = dma;
- sg->length = s->buf_len_rx;
+ sg_dma_len(sg) = s->buf_len_rx;
buf += s->buf_len_rx;
dma += s->buf_len_rx;
diff --git a/drivers/tty/serial/sunhv.c b/drivers/tty/serial/sunhv.c
index 064031870ba0..ca0d3802f2af 100644
--- a/drivers/tty/serial/sunhv.c
+++ b/drivers/tty/serial/sunhv.c
@@ -148,8 +148,10 @@ static int receive_chars_read(struct uart_port *port)
uart_handle_dcd_change(port, 1);
}
- for (i = 0; i < bytes_read; i++)
- uart_handle_sysrq_char(port, con_read_page[i]);
+ if (port->sysrq != 0 && *con_read_page) {
+ for (i = 0; i < bytes_read; i++)
+ uart_handle_sysrq_char(port, con_read_page[i]);
+ }
if (port->state == NULL)
continue;
@@ -168,17 +170,17 @@ struct sunhv_ops {
int (*receive_chars)(struct uart_port *port);
};
-static struct sunhv_ops bychar_ops = {
+static const struct sunhv_ops bychar_ops = {
.transmit_chars = transmit_chars_putchar,
.receive_chars = receive_chars_getchar,
};
-static struct sunhv_ops bywrite_ops = {
+static const struct sunhv_ops bywrite_ops = {
.transmit_chars = transmit_chars_write,
.receive_chars = receive_chars_read,
};
-static struct sunhv_ops *sunhv_ops = &bychar_ops;
+static const struct sunhv_ops *sunhv_ops = &bychar_ops;
static struct tty_port *receive_chars(struct uart_port *port)
{
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
index 9a479e61791a..3cd31e0d4bd9 100644
--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -450,7 +450,7 @@ receive_buf(struct tty_struct *tty, struct tty_buffer *head, int count)
count = disc->ops->receive_buf2(tty, p, f, count);
else {
count = min_t(int, count, tty->receive_room);
- if (count)
+ if (count && disc->ops->receive_buf)
disc->ops->receive_buf(tty, p, f, count);
}
return count;
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index a5cc032ef77a..ddbf32d599cb 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1035,10 +1035,20 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
unsigned delay;
/* Continue a partial initialization */
- if (type == HUB_INIT2)
- goto init2;
- if (type == HUB_INIT3)
+ if (type == HUB_INIT2 || type == HUB_INIT3) {
+ device_lock(hub->intfdev);
+
+ /* Was the hub disconnected while we were waiting? */
+ if (hub->disconnected) {
+ device_unlock(hub->intfdev);
+ kref_put(&hub->kref, hub_release);
+ return;
+ }
+ if (type == HUB_INIT2)
+ goto init2;
goto init3;
+ }
+ kref_get(&hub->kref);
/* The superspeed hub except for root hub has to use Hub Depth
* value as an offset into the route string to locate the bits
@@ -1236,6 +1246,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
queue_delayed_work(system_power_efficient_wq,
&hub->init_work,
msecs_to_jiffies(delay));
+ device_unlock(hub->intfdev);
return; /* Continues at init3: below */
} else {
msleep(delay);
@@ -1257,6 +1268,11 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
/* Allow autosuspend if it was suppressed */
if (type <= HUB_INIT3)
usb_autopm_put_interface_async(to_usb_interface(hub->intfdev));
+
+ if (type == HUB_INIT2 || type == HUB_INIT3)
+ device_unlock(hub->intfdev);
+
+ kref_put(&hub->kref, hub_release);
}
/* Implement the continuations for the delays above */
diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c
index f51a5d52c0ed..ec1b8f2c1183 100644
--- a/drivers/usb/serial/ipaq.c
+++ b/drivers/usb/serial/ipaq.c
@@ -531,7 +531,8 @@ static int ipaq_open(struct tty_struct *tty,
* through. Since this has a reasonably high failure rate, we retry
* several times.
*/
- while (retries--) {
+ while (retries) {
+ retries--;
result = usb_control_msg(serial->dev,
usb_sndctrlpipe(serial->dev, 0), 0x22, 0x21,
0x1, 0, NULL, 0, 100);
diff --git a/drivers/xen/events/events_fifo.c b/drivers/xen/events/events_fifo.c
index e3e9e3d46d1b..96a1b8da5371 100644
--- a/drivers/xen/events/events_fifo.c
+++ b/drivers/xen/events/events_fifo.c
@@ -281,7 +281,8 @@ static void handle_irq_for_port(unsigned port)
static void consume_one_event(unsigned cpu,
struct evtchn_fifo_control_block *control_block,
- unsigned priority, unsigned long *ready)
+ unsigned priority, unsigned long *ready,
+ bool drop)
{
struct evtchn_fifo_queue *q = &per_cpu(cpu_queue, cpu);
uint32_t head;
@@ -313,13 +314,17 @@ static void consume_one_event(unsigned cpu,
if (head == 0)
clear_bit(priority, ready);
- if (evtchn_fifo_is_pending(port) && !evtchn_fifo_is_masked(port))
- handle_irq_for_port(port);
+ if (evtchn_fifo_is_pending(port) && !evtchn_fifo_is_masked(port)) {
+ if (unlikely(drop))
+ pr_warn("Dropping pending event for port %u\n", port);
+ else
+ handle_irq_for_port(port);
+ }
q->head[priority] = head;
}
-static void evtchn_fifo_handle_events(unsigned cpu)
+static void __evtchn_fifo_handle_events(unsigned cpu, bool drop)
{
struct evtchn_fifo_control_block *control_block;
unsigned long ready;
@@ -331,11 +336,16 @@ static void evtchn_fifo_handle_events(unsigned cpu)
while (ready) {
q = find_first_bit(&ready, EVTCHN_FIFO_MAX_QUEUES);
- consume_one_event(cpu, control_block, q, &ready);
+ consume_one_event(cpu, control_block, q, &ready, drop);
ready |= xchg(&control_block->ready, 0);
}
}
+static void evtchn_fifo_handle_events(unsigned cpu)
+{
+ __evtchn_fifo_handle_events(cpu, false);
+}
+
static void evtchn_fifo_resume(void)
{
unsigned cpu;
@@ -420,6 +430,9 @@ static int evtchn_fifo_cpu_notification(struct notifier_block *self,
if (!per_cpu(cpu_control_block, cpu))
ret = evtchn_fifo_alloc_control_block(cpu);
break;
+ case CPU_DEAD:
+ __evtchn_fifo_handle_events(cpu, true);
+ break;
default:
break;
}
diff --git a/drivers/xen/xen-pciback/pciback.h b/drivers/xen/xen-pciback/pciback.h
index 58e38d586f52..4d529f3e40df 100644
--- a/drivers/xen/xen-pciback/pciback.h
+++ b/drivers/xen/xen-pciback/pciback.h
@@ -37,6 +37,7 @@ struct xen_pcibk_device {
struct xen_pci_sharedinfo *sh_info;
unsigned long flags;
struct work_struct op_work;
+ struct xen_pci_op op;
};
struct xen_pcibk_dev_data {
diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c
index c4a0666de6f5..73dafdc494aa 100644
--- a/drivers/xen/xen-pciback/pciback_ops.c
+++ b/drivers/xen/xen-pciback/pciback_ops.c
@@ -70,6 +70,13 @@ static void xen_pcibk_control_isr(struct pci_dev *dev, int reset)
enable ? "enable" : "disable");
if (enable) {
+ /*
+ * The MSI or MSI-X should not have an IRQ handler. Otherwise
+ * if the guest terminates we BUG_ON in free_msi_irqs.
+ */
+ if (dev->msi_enabled || dev->msix_enabled)
+ goto out;
+
rc = request_irq(dev_data->irq,
xen_pcibk_guest_interrupt, IRQF_SHARED,
dev_data->irq_name, dev);
@@ -144,7 +151,12 @@ int xen_pcibk_enable_msi(struct xen_pcibk_device *pdev,
if (unlikely(verbose_request))
printk(KERN_DEBUG DRV_NAME ": %s: enable MSI\n", pci_name(dev));
- status = pci_enable_msi(dev);
+ if (dev->msi_enabled)
+ status = -EALREADY;
+ else if (dev->msix_enabled)
+ status = -ENXIO;
+ else
+ status = pci_enable_msi(dev);
if (status) {
pr_warn_ratelimited("%s: error enabling MSI for guest %u: err %d\n",
@@ -173,20 +185,23 @@ static
int xen_pcibk_disable_msi(struct xen_pcibk_device *pdev,
struct pci_dev *dev, struct xen_pci_op *op)
{
- struct xen_pcibk_dev_data *dev_data;
-
if (unlikely(verbose_request))
printk(KERN_DEBUG DRV_NAME ": %s: disable MSI\n",
pci_name(dev));
- pci_disable_msi(dev);
+ if (dev->msi_enabled) {
+ struct xen_pcibk_dev_data *dev_data;
+
+ pci_disable_msi(dev);
+
+ dev_data = pci_get_drvdata(dev);
+ if (dev_data)
+ dev_data->ack_intr = 1;
+ }
op->value = dev->irq ? xen_pirq_from_irq(dev->irq) : 0;
if (unlikely(verbose_request))
printk(KERN_DEBUG DRV_NAME ": %s: MSI: %d\n", pci_name(dev),
op->value);
- dev_data = pci_get_drvdata(dev);
- if (dev_data)
- dev_data->ack_intr = 1;
return 0;
}
@@ -197,13 +212,26 @@ int xen_pcibk_enable_msix(struct xen_pcibk_device *pdev,
struct xen_pcibk_dev_data *dev_data;
int i, result;
struct msix_entry *entries;
+ u16 cmd;
if (unlikely(verbose_request))
printk(KERN_DEBUG DRV_NAME ": %s: enable MSI-X\n",
pci_name(dev));
+
if (op->value > SH_INFO_MAX_VEC)
return -EINVAL;
+ if (dev->msix_enabled)
+ return -EALREADY;
+
+ /*
+ * PCI_COMMAND_MEMORY must be enabled, otherwise we may not be able
+ * to access the BARs where the MSI-X entries reside.
+ */
+ pci_read_config_word(dev, PCI_COMMAND, &cmd);
+ if (dev->msi_enabled || !(cmd & PCI_COMMAND_MEMORY))
+ return -ENXIO;
+
entries = kmalloc(op->value * sizeof(*entries), GFP_KERNEL);
if (entries == NULL)
return -ENOMEM;
@@ -245,23 +273,27 @@ static
int xen_pcibk_disable_msix(struct xen_pcibk_device *pdev,
struct pci_dev *dev, struct xen_pci_op *op)
{
- struct xen_pcibk_dev_data *dev_data;
if (unlikely(verbose_request))
printk(KERN_DEBUG DRV_NAME ": %s: disable MSI-X\n",
pci_name(dev));
- pci_disable_msix(dev);
+ if (dev->msix_enabled) {
+ struct xen_pcibk_dev_data *dev_data;
+
+ pci_disable_msix(dev);
+
+ dev_data = pci_get_drvdata(dev);
+ if (dev_data)
+ dev_data->ack_intr = 1;
+ }
/*
* SR-IOV devices (which don't have any legacy IRQ) have
* an undefined IRQ value of zero.
*/
op->value = dev->irq ? xen_pirq_from_irq(dev->irq) : 0;
if (unlikely(verbose_request))
- printk(KERN_DEBUG DRV_NAME ": %s: MSI-X: %d\n", pci_name(dev),
- op->value);
- dev_data = pci_get_drvdata(dev);
- if (dev_data)
- dev_data->ack_intr = 1;
+ printk(KERN_DEBUG DRV_NAME ": %s: MSI-X: %d\n",
+ pci_name(dev), op->value);
return 0;
}
#endif
@@ -298,9 +330,11 @@ void xen_pcibk_do_op(struct work_struct *data)
container_of(data, struct xen_pcibk_device, op_work);
struct pci_dev *dev;
struct xen_pcibk_dev_data *dev_data = NULL;
- struct xen_pci_op *op = &pdev->sh_info->op;
+ struct xen_pci_op *op = &pdev->op;
int test_intx = 0;
+ *op = pdev->sh_info->op;
+ barrier();
dev = xen_pcibk_get_pci_dev(pdev, op->domain, op->bus, op->devfn);
if (dev == NULL)
@@ -342,6 +376,17 @@ void xen_pcibk_do_op(struct work_struct *data)
if ((dev_data->enable_intx != test_intx))
xen_pcibk_control_isr(dev, 0 /* no reset */);
}
+ pdev->sh_info->op.err = op->err;
+ pdev->sh_info->op.value = op->value;
+#ifdef CONFIG_PCI_MSI
+ if (op->cmd == XEN_PCI_OP_enable_msix && op->err == 0) {
+ unsigned int i;
+
+ for (i = 0; i < op->value; i++)
+ pdev->sh_info->op.msix_entries[i].vector =
+ op->msix_entries[i].vector;
+ }
+#endif
/* Tell the driver domain that we're done. */
wmb();
clear_bit(_XEN_PCIF_active, (unsigned long *)&pdev->sh_info->flags);
diff --git a/drivers/xen/xen-pciback/xenbus.c b/drivers/xen/xen-pciback/xenbus.c
index 98bc345f296e..4843741e703a 100644
--- a/drivers/xen/xen-pciback/xenbus.c
+++ b/drivers/xen/xen-pciback/xenbus.c
@@ -44,7 +44,6 @@ static struct xen_pcibk_device *alloc_pdev(struct xenbus_device *xdev)
dev_dbg(&xdev->dev, "allocated pdev @ 0x%p\n", pdev);
pdev->xdev = xdev;
- dev_set_drvdata(&xdev->dev, pdev);
mutex_init(&pdev->dev_lock);
@@ -58,6 +57,9 @@ static struct xen_pcibk_device *alloc_pdev(struct xenbus_device *xdev)
kfree(pdev);
pdev = NULL;
}
+
+ dev_set_drvdata(&xdev->dev, pdev);
+
out:
return pdev;
}
diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c
index 43bcae852546..ad4eb1024d1f 100644
--- a/drivers/xen/xen-scsiback.c
+++ b/drivers/xen/xen-scsiback.c
@@ -726,7 +726,7 @@ static int scsiback_do_cmd_fn(struct vscsibk_info *info)
if (!pending_req)
return 1;
- ring_req = *RING_GET_REQUEST(ring, rc);
+ RING_COPY_REQUEST(ring, rc, &ring_req);
ring->req_cons = ++rc;
err = prepare_pending_reqs(info, &ring_req, pending_req);