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authorTejun Heo <tj@kernel.org>2016-03-11 20:30:17 +0300
committerTejun Heo <tj@kernel.org>2016-03-11 20:30:17 +0300
commitfe6c58146d42785386ca69bb1e35d53ac5940cb7 (patch)
treebe4006ac033d638071f65851403c42b382b23427 /drivers/ata
parent51b1b2867b81450bd198b691c70dccb582e961ff (diff)
parentdc8b4afc4a04fac8ee55a19b59f2356a25e7e778 (diff)
downloadlinux-fe6c58146d42785386ca69bb1e35d53ac5940cb7.tar.xz
Merge branch 'for-4.5-fixes' into for-4.6
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/ahci.c49
-rw-r--r--drivers/ata/libahci.c3
-rw-r--r--drivers/ata/pata_rb532_cf.c11
3 files changed, 60 insertions, 3 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 196f0287cba1..1fe592009c2e 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -372,15 +372,21 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0xa107), board_ahci }, /* Sunrise Point-H RAID */
{ PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H RAID */
{ PCI_VDEVICE(INTEL, 0x2822), board_ahci }, /* Lewisburg RAID*/
+ { PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Lewisburg AHCI*/
{ PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* Lewisburg RAID*/
+ { PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0xa182), board_ahci }, /* Lewisburg AHCI*/
{ PCI_VDEVICE(INTEL, 0xa184), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0xa186), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0xa18e), board_ahci }, /* Lewisburg RAID*/
+ { PCI_VDEVICE(INTEL, 0xa1d2), board_ahci }, /* Lewisburg RAID*/
+ { PCI_VDEVICE(INTEL, 0xa1d6), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0xa202), board_ahci }, /* Lewisburg AHCI*/
{ PCI_VDEVICE(INTEL, 0xa204), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0xa206), board_ahci }, /* Lewisburg RAID*/
{ PCI_VDEVICE(INTEL, 0xa20e), board_ahci }, /* Lewisburg RAID*/
+ { PCI_VDEVICE(INTEL, 0xa252), board_ahci }, /* Lewisburg RAID*/
+ { PCI_VDEVICE(INTEL, 0xa256), board_ahci }, /* Lewisburg RAID*/
/* JMicron 360/1/3/5/6, match class to avoid IDE function */
{ PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
@@ -1360,6 +1366,44 @@ static inline void ahci_gtf_filter_workaround(struct ata_host *host)
{}
#endif
+#ifdef CONFIG_ARM64
+/*
+ * Due to ERRATA#22536, ThunderX needs to handle HOST_IRQ_STAT differently.
+ * Workaround is to make sure all pending IRQs are served before leaving
+ * handler.
+ */
+static irqreturn_t ahci_thunderx_irq_handler(int irq, void *dev_instance)
+{
+ struct ata_host *host = dev_instance;
+ struct ahci_host_priv *hpriv;
+ unsigned int rc = 0;
+ void __iomem *mmio;
+ u32 irq_stat, irq_masked;
+ unsigned int handled = 1;
+
+ VPRINTK("ENTER\n");
+ hpriv = host->private_data;
+ mmio = hpriv->mmio;
+ irq_stat = readl(mmio + HOST_IRQ_STAT);
+ if (!irq_stat)
+ return IRQ_NONE;
+
+ do {
+ irq_masked = irq_stat & hpriv->port_map;
+ spin_lock(&host->lock);
+ rc = ahci_handle_port_intr(host, irq_masked);
+ if (!rc)
+ handled = 0;
+ writel(irq_stat, mmio + HOST_IRQ_STAT);
+ irq_stat = readl(mmio + HOST_IRQ_STAT);
+ spin_unlock(&host->lock);
+ } while (irq_stat);
+ VPRINTK("EXIT\n");
+
+ return IRQ_RETVAL(handled);
+}
+#endif
+
/*
* ahci_init_msix() - optionally enable per-port MSI-X otherwise defer
* to single msi.
@@ -1595,6 +1639,11 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (ahci_broken_devslp(pdev))
hpriv->flags |= AHCI_HFLAG_NO_DEVSLP;
+#ifdef CONFIG_ARM64
+ if (pdev->vendor == 0x177d && pdev->device == 0xa01c)
+ hpriv->irq_handler = ahci_thunderx_irq_handler;
+#endif
+
/* save initial config */
ahci_pci_save_initial_config(pdev, hpriv);
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 2d21b46db714..3982054060b8 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -1211,8 +1211,7 @@ static void ahci_port_init(struct device *dev, struct ata_port *ap,
/* mark esata ports */
tmp = readl(port_mmio + PORT_CMD);
- if ((tmp & PORT_CMD_HPCP) ||
- ((tmp & PORT_CMD_ESP) && (hpriv->cap & HOST_CAP_SXS)))
+ if ((tmp & PORT_CMD_ESP) && (hpriv->cap & HOST_CAP_SXS))
ap->pflags |= ATA_PFLAG_EXTERNAL;
}
diff --git a/drivers/ata/pata_rb532_cf.c b/drivers/ata/pata_rb532_cf.c
index 12fe0f3bb7e9..c8b6a780a290 100644
--- a/drivers/ata/pata_rb532_cf.c
+++ b/drivers/ata/pata_rb532_cf.c
@@ -32,6 +32,8 @@
#include <linux/libata.h>
#include <scsi/scsi_host.h>
+#include <asm/mach-rc32434/rb.h>
+
#define DRV_NAME "pata-rb532-cf"
#define DRV_VERSION "0.1.0"
#define DRV_DESC "PATA driver for RouterBOARD 532 Compact Flash"
@@ -107,6 +109,7 @@ static int rb532_pata_driver_probe(struct platform_device *pdev)
int gpio;
struct resource *res;
struct ata_host *ah;
+ struct cf_device *pdata;
struct rb532_cf_info *info;
int ret;
@@ -122,7 +125,13 @@ static int rb532_pata_driver_probe(struct platform_device *pdev)
return -ENOENT;
}
- gpio = irq_to_gpio(irq);
+ pdata = dev_get_platdata(&pdev->dev);
+ if (!pdata) {
+ dev_err(&pdev->dev, "no platform data specified\n");
+ return -EINVAL;
+ }
+
+ gpio = pdata->gpio_pin;
if (gpio < 0) {
dev_err(&pdev->dev, "no GPIO found for irq%d\n", irq);
return -ENOENT;