linux-kernel - [PATCH] drivers: ata: Use dev_get

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Date:   Tue, 23 Jul 2019 16:06:40 +0800
From:   Chuhong Yuan <hslester96@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Jens Axboe <axboe@...nel.dk>, linux-ide@...r.kernel.org,
        linux-kernel@...r.kernel.org, Chuhong Yuan <hslester96@...il.com>
Subject: [PATCH] drivers: ata: Use dev_get_drvdata where possible

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

Signed-off-by: Chuhong Yuan <hslester96@...il.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