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authorLinus Torvalds <torvalds@linux-foundation.org>2016-05-20 21:10:24 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2016-05-20 21:10:24 +0300
commit6eb59af580dcffc6f6982ac8ef6d27a1a5f26b27 (patch)
treeaf14aa39719eb15b1251ed612ce9fcf108e15c1d /drivers/mfd/mfd-core.c
parent4d230d4d030e34e6eb8911fb669d1b42298eca9e (diff)
parentb52207ef4ea56f8c22288ec3387399aac72c26cf (diff)
downloadlinux-6eb59af580dcffc6f6982ac8ef6d27a1a5f26b27.tar.xz
Merge tag 'mfd-for-linus-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones: "New Drivers: - Add new driver for MAXIM MAX77620/MAX20024 PMIC - Add new driver for Hisilicon HI665X PMIC New Device Support: - Add support for AXP809 in axp20x-rsb - Add support for Power Supply in axp20x New core features: - devm_mfd_* managed resources Fix-ups: - Remove unused code (da9063-irq, wm8400-core, tps6105x, smsc-ece1099, twl4030-power) - Improve clean-up in error path (intel_quark_i2c_gpio) - Explicitly include headers (syscon.h) - Allow building as modules (max77693) - Use IS_ENABLED() instead of rolling your own (dm355evm_msp, wm8400-core) - DT adaptions (axp20x, hi655x, arizona, max77620) - Remove CLK_IS_ROOT flag (intel-lpss, intel_quark) - Move to gpiochip API (asic3, dm355evm_msp, htc-egpio, htc-i2cpld, sm501, tc6393xb, tps65010, ucb1x00, vexpress) - Make use of devm_mfd_* calls (act8945a, as3711, atmel-hlcdc, bcm590xx, hi6421-pmic-core, lp3943, menf21bmc, mt6397, rdc321x, rk808, rn5t618, rt5033, sky81452, stw481x, tps6507x, tps65217, wm8400) Bug Fixes" - Fix ACPI child matching (mfd-core) - Fix start-up ordering issues (mt6397-core, arizona-core) - Fix forgotten register state on resume (intel-lpss) - Fix Clock related issues (twl6040) - Fix scheduling whilst atomic (omap-usb-tll) - Kconfig changes (vexpress)" * tag 'mfd-for-linus-4.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (73 commits) mfd: hi655x: Add MFD driver for hi655x mfd: ab8500-debugfs: Trivial fix of spelling mistake on "between" mfd: vexpress: Add !ARCH_USES_GETTIMEOFFSET dependency mfd: Add device-tree binding doc for PMIC MAX77620/MAX20024 mfd: max77620: Add core driver for MAX77620/MAX20024 mfd: arizona: Add defines for GPSW values that can be used from DT mfd: omap-usb-tll: Fix scheduling while atomic BUG mfd: wm5110: ARIZONA_CLOCK_CONTROL should be volatile mfd: axp20x: Add a cell for the ac power_supply part of the axp20x PMICs mfd: intel_soc_pmic_core: Terminate panel control GPIO lookup table correctly mfd: wl1273-core: Use devm_mfd_add_devices() for mfd_device registration mfd: tps65910: Use devm_mfd_add_devices and devm_regmap_add_irq_chip mfd: sec: Use devm_mfd_add_devices and devm_regmap_add_irq_chip mfd: rc5t583: Use devm_mfd_add_devices and devm_request_threaded_irq mfd: max77686: Use devm_mfd_add_devices and devm_regmap_add_irq_chip mfd: as3722: Use devm_mfd_add_devices and devm_regmap_add_irq_chip mfd: twl4030-power: Remove driver path in file comment MAINTAINERS: Add entry for X-Powers AXP family PMIC drivers mfd: smsc-ece1099: Remove unnecessarily remove callback mfd: Use IS_ENABLED(CONFIG_FOO) instead of checking FOO || FOO_MODULE ...
Diffstat (limited to 'drivers/mfd/mfd-core.c')
-rw-r--r--drivers/mfd/mfd-core.c40
1 files changed, 39 insertions, 1 deletions
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index fc1c1fc13813..3ac486a597f3 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -107,7 +107,7 @@ static void mfd_acpi_add_device(const struct mfd_cell *cell,
strlcpy(ids[0].id, match->pnpid, sizeof(ids[0].id));
list_for_each_entry(child, &parent->children, node) {
- if (acpi_match_device_ids(child, ids)) {
+ if (!acpi_match_device_ids(child, ids)) {
adev = child;
break;
}
@@ -334,6 +334,44 @@ void mfd_remove_devices(struct device *parent)
}
EXPORT_SYMBOL(mfd_remove_devices);
+static void devm_mfd_dev_release(struct device *dev, void *res)
+{
+ mfd_remove_devices(dev);
+}
+
+/**
+ * devm_mfd_add_devices - Resource managed version of mfd_add_devices()
+ *
+ * Returns 0 on success or an appropriate negative error number on failure.
+ * All child-devices of the MFD will automatically be removed when it gets
+ * unbinded.
+ */
+int devm_mfd_add_devices(struct device *dev, int id,
+ const struct mfd_cell *cells, int n_devs,
+ struct resource *mem_base,
+ int irq_base, struct irq_domain *domain)
+{
+ struct device **ptr;
+ int ret;
+
+ ptr = devres_alloc(devm_mfd_dev_release, sizeof(*ptr), GFP_KERNEL);
+ if (!ptr)
+ return -ENOMEM;
+
+ ret = mfd_add_devices(dev, id, cells, n_devs, mem_base,
+ irq_base, domain);
+ if (ret < 0) {
+ devres_free(ptr);
+ return ret;
+ }
+
+ *ptr = dev;
+ devres_add(dev, ptr);
+
+ return ret;
+}
+EXPORT_SYMBOL(devm_mfd_add_devices);
+
int mfd_clone_cell(const char *cell, const char **clones, size_t n_clones)
{
struct mfd_cell cell_entry;