ptp: ptp_dte: simplify getting .driver_data

We should get 'driver_data' from 'struct device' directly. Going via
platform_device is an unneeded step back and forth.

Signed-off-by: Wolfram Sang <[e-mail]>
Acked-by: Richard Cochran <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/ptp/ptp_dte.c

···
 #ifdef CONFIG_PM_SLEEP
 static int ptp_dte_suspend(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct ptp_dte *ptp_dte = platform_get_drvdata(pdev);
+	struct ptp_dte *ptp_dte = dev_get_drvdata(dev);
 	u8 i;
 
 	for (i = 0; i < DTE_NUM_REGS_TO_RESTORE; i++) {
···
 
 static int ptp_dte_resume(struct device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct ptp_dte *ptp_dte = platform_get_drvdata(pdev);
+	struct ptp_dte *ptp_dte = dev_get_drvdata(dev);
 	u8 i;
 
 	for (i = 0; i < DTE_NUM_REGS_TO_RESTORE; i++) {