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Diffstat (limited to 'drivers/ata/ahci.c')
-rw-r--r--drivers/ata/ahci.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index e49c32d51fd..189b97c9f0e 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -1359,7 +1359,6 @@ static int ahci_deinit_port(struct ata_port *ap, const char **emsg)
static int ahci_reset_controller(struct ata_host *host)
{
- struct pci_dev *pdev = to_pci_dev(host->dev);
struct ahci_host_priv *hpriv = host->private_data;
void __iomem *mmio = hpriv->mmio;
u32 tmp;
@@ -1403,7 +1402,17 @@ static int ahci_reset_controller(struct ata_host *host)
dev_printk(KERN_INFO, host->dev,
"skipping global host reset\n");
+ return 0;
+}
+
+static int ahci_pci_reset_controller(struct ata_host *host)
+{
+ struct pci_dev *pdev = to_pci_dev(host->dev);
+
+ ahci_reset_controller(host);
+
if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
+ struct ahci_host_priv *hpriv = host->private_data;
u16 tmp16;
/* configure PCS */
@@ -2697,7 +2706,7 @@ static int ahci_pci_device_resume(struct pci_dev *pdev)
return rc;
if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
- rc = ahci_reset_controller(host);
+ rc = ahci_pci_reset_controller(host);
if (rc)
return rc;
@@ -3437,7 +3446,7 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (rc)
return rc;
- rc = ahci_reset_controller(host);
+ rc = ahci_pci_reset_controller(host);
if (rc)
return rc;