serial: 8250: 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@gmail.com>
Link: https://lore.kernel.org/r/20190724131758.1764-1-hslester96@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index edd6dfe..03b347a 100644 (file)
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -561,8 +561,7 @@ static int __maybe_unused exar_suspend(struct device *dev)
 
 static int __maybe_unused exar_resume(struct device *dev)
 {
-       struct pci_dev *pcidev = to_pci_dev(dev);
-       struct exar8250 *priv = pci_get_drvdata(pcidev);
+       struct exar8250 *priv = dev_get_drvdata(dev);
        unsigned int i;
 
        for (i = 0; i < priv->nr; i++)

diff --git a/drivers/tty/serial/8250/8250_pci.c b/drivers/tty/serial/8250/8250_pci.c
index 7f740b3..b714d8d 100644 (file)
--- a/drivers/tty/serial/8250/8250_pci.c
+++ b/drivers/tty/serial/8250/8250_pci.c
@@ -3859,8 +3859,7 @@ static void pciserial_remove_one(struct pci_dev *dev)
 #ifdef CONFIG_PM_SLEEP
 static int pciserial_suspend_one(struct device *dev)
 {
-       struct pci_dev *pdev = to_pci_dev(dev);
-       struct serial_private *priv = pci_get_drvdata(pdev);
+       struct serial_private *priv = dev_get_drvdata(dev);
 
        if (priv)
                pciserial_suspend_ports(priv);