[PATCH] drivers: ata: Use dev_get_drvdata where possible

[Chuhong Yuan]

Instead of using to_pci_dev + pci_get_drvdata,
use dev_get_drvdata to make code simpler.

Signed-off-by: Chuhong Yuan <hsleste...@gmail.com>
---
 drivers/ata/ahci.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index f7652baa6337..58a981cdc83f 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -836,8 +836,7 @@ static void ahci_pci_disable_interrupts(struct ata_host 
*host)
 
 static int ahci_pci_device_runtime_suspend(struct device *dev)
 {
-       struct pci_dev *pdev = to_pci_dev(dev);
-       struct ata_host *host = pci_get_drvdata(pdev);
+       struct ata_host *host = dev_get_drvdata(dev);
 
        ahci_pci_disable_interrupts(host);
        return 0;
@@ -845,8 +844,7 @@ static int ahci_pci_device_runtime_suspend(struct device 
*dev)
 
 static int ahci_pci_device_runtime_resume(struct device *dev)
 {
-       struct pci_dev *pdev = to_pci_dev(dev);
-       struct ata_host *host = pci_get_drvdata(pdev);
+       struct ata_host *host = dev_get_drvdata(dev);
        int rc;
 
        rc = ahci_pci_reset_controller(host);
@@ -859,12 +857,11 @@ static int ahci_pci_device_runtime_resume(struct device 
*dev)
 #ifdef CONFIG_PM_SLEEP
 static int ahci_pci_device_suspend(struct device *dev)
 {
-       struct pci_dev *pdev = to_pci_dev(dev);
-       struct ata_host *host = pci_get_drvdata(pdev);
+       struct ata_host *host = dev_get_drvdata(dev);
        struct ahci_host_priv *hpriv = host->private_data;
 
        if (hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {
-               dev_err(&pdev->dev,
+               dev_err(dev,
                        "BIOS update required for suspend/resume\n");
                return -EIO;
        }
-- 
2.20.1