rtc: simplify getting .drvdata

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

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Michal Simek <michal.simek@xilinx.com> (for zynqmp)
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

1 files changed, 5 insertions, 10 deletions

diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index 4e8ab370ce63..4f98543d1ea5 100644
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -359,8 +359,7 @@ static int sh_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 
 static int sh_rtc_read_time(struct device *dev, struct rtc_time *tm)
 {
-        struct platform_device *pdev = to_platform_device(dev);
-        struct sh_rtc *rtc = platform_get_drvdata(pdev);
+        struct sh_rtc *rtc = dev_get_drvdata(dev);
         unsigned int sec128, sec2, yr, yr100, cf_bit;
 
         do {
@@ -419,8 +418,7 @@ static int sh_rtc_read_time(struct device *dev, struct rtc_time *tm)
 
 static int sh_rtc_set_time(struct device *dev, struct rtc_time *tm)
 {
-        struct platform_device *pdev = to_platform_device(dev);
-        struct sh_rtc *rtc = platform_get_drvdata(pdev);
+        struct sh_rtc *rtc = dev_get_drvdata(dev);
         unsigned int tmp;
         int year;
 
@@ -475,8 +473,7 @@ static inline int sh_rtc_read_alarm_value(struct sh_rtc *rtc, int reg_off)
 
 static int sh_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *wkalrm)
 {
-        struct platform_device *pdev = to_platform_device(dev);
-        struct sh_rtc *rtc = platform_get_drvdata(pdev);
+        struct sh_rtc *rtc = dev_get_drvdata(dev);
         struct rtc_time *tm = &wkalrm->time;
 
         spin_lock_irq(&rtc->lock);
@@ -509,8 +506,7 @@ static inline void sh_rtc_write_alarm_value(struct sh_rtc *rtc,
 
 static int sh_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *wkalrm)
 {
-        struct platform_device *pdev = to_platform_device(dev);
-        struct sh_rtc *rtc = platform_get_drvdata(pdev);
+        struct sh_rtc *rtc = dev_get_drvdata(dev);
         unsigned int rcr1;
         struct rtc_time *tm = &wkalrm->time;
         int mon;
@@ -723,8 +719,7 @@ static int __exit sh_rtc_remove(struct platform_device *pdev)
 
 static void sh_rtc_set_irq_wake(struct device *dev, int enabled)
 {
-        struct platform_device *pdev = to_platform_device(dev);
-        struct sh_rtc *rtc = platform_get_drvdata(pdev);
+        struct sh_rtc *rtc = dev_get_drvdata(dev);
 
         irq_set_irq_wake(rtc->periodic_irq, enabled);