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authorWolfram Sang <wsa+renesas@sang-engineering.com>2018-04-19 17:06:14 +0300
committerAlexandre Belloni <alexandre.belloni@bootlin.com>2018-05-03 23:08:00 +0300
commit85368bb9de6366654f442e26fdd571981f205291 (patch)
tree807385ec3a590efc12b24fe22b3ee7f8fd204e0f /drivers/rtc/rtc-m48t59.c
parent36d91a4d401c284ab21213622c85cd855725f10f (diff)
downloadlinux-85368bb9de6366654f442e26fdd571981f205291.tar.xz
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>
Diffstat (limited to 'drivers/rtc/rtc-m48t59.c')
-rw-r--r--drivers/rtc/rtc-m48t59.c41
1 files changed, 16 insertions, 25 deletions
diff --git a/drivers/rtc/rtc-m48t59.c b/drivers/rtc/rtc-m48t59.c
index 216fac62c888..1053a406b3aa 100644
--- a/drivers/rtc/rtc-m48t59.c
+++ b/drivers/rtc/rtc-m48t59.c
@@ -47,8 +47,7 @@ struct m48t59_private {
static void
m48t59_mem_writeb(struct device *dev, u32 ofs, u8 val)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct m48t59_private *m48t59 = platform_get_drvdata(pdev);
+ struct m48t59_private *m48t59 = dev_get_drvdata(dev);
writeb(val, m48t59->ioaddr+ofs);
}
@@ -56,8 +55,7 @@ m48t59_mem_writeb(struct device *dev, u32 ofs, u8 val)
static u8
m48t59_mem_readb(struct device *dev, u32 ofs)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct m48t59_private *m48t59 = platform_get_drvdata(pdev);
+ struct m48t59_private *m48t59 = dev_get_drvdata(dev);
return readb(m48t59->ioaddr+ofs);
}
@@ -67,9 +65,8 @@ m48t59_mem_readb(struct device *dev, u32 ofs)
*/
static int m48t59_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct m48t59_plat_data *pdata = dev_get_platdata(&pdev->dev);
- struct m48t59_private *m48t59 = platform_get_drvdata(pdev);
+ struct m48t59_plat_data *pdata = dev_get_platdata(dev);
+ struct m48t59_private *m48t59 = dev_get_drvdata(dev);
unsigned long flags;
u8 val;
@@ -110,9 +107,8 @@ static int m48t59_rtc_read_time(struct device *dev, struct rtc_time *tm)
static int m48t59_rtc_set_time(struct device *dev, struct rtc_time *tm)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct m48t59_plat_data *pdata = dev_get_platdata(&pdev->dev);
- struct m48t59_private *m48t59 = platform_get_drvdata(pdev);
+ struct m48t59_plat_data *pdata = dev_get_platdata(dev);
+ struct m48t59_private *m48t59 = dev_get_drvdata(dev);
unsigned long flags;
u8 val = 0;
int year = tm->tm_year;
@@ -157,9 +153,8 @@ static int m48t59_rtc_set_time(struct device *dev, struct rtc_time *tm)
*/
static int m48t59_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct m48t59_plat_data *pdata = dev_get_platdata(&pdev->dev);
- struct m48t59_private *m48t59 = platform_get_drvdata(pdev);
+ struct m48t59_plat_data *pdata = dev_get_platdata(dev);
+ struct m48t59_private *m48t59 = dev_get_drvdata(dev);
struct rtc_time *tm = &alrm->time;
unsigned long flags;
u8 val;
@@ -204,9 +199,8 @@ static int m48t59_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
*/
static int m48t59_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct m48t59_plat_data *pdata = dev_get_platdata(&pdev->dev);
- struct m48t59_private *m48t59 = platform_get_drvdata(pdev);
+ struct m48t59_plat_data *pdata = dev_get_platdata(dev);
+ struct m48t59_private *m48t59 = dev_get_drvdata(dev);
struct rtc_time *tm = &alrm->time;
u8 mday, hour, min, sec;
unsigned long flags;
@@ -265,9 +259,8 @@ static int m48t59_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
*/
static int m48t59_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct m48t59_plat_data *pdata = dev_get_platdata(&pdev->dev);
- struct m48t59_private *m48t59 = platform_get_drvdata(pdev);
+ struct m48t59_plat_data *pdata = dev_get_platdata(dev);
+ struct m48t59_private *m48t59 = dev_get_drvdata(dev);
unsigned long flags;
spin_lock_irqsave(&m48t59->lock, flags);
@@ -282,9 +275,8 @@ static int m48t59_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
static int m48t59_rtc_proc(struct device *dev, struct seq_file *seq)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct m48t59_plat_data *pdata = dev_get_platdata(&pdev->dev);
- struct m48t59_private *m48t59 = platform_get_drvdata(pdev);
+ struct m48t59_plat_data *pdata = dev_get_platdata(dev);
+ struct m48t59_private *m48t59 = dev_get_drvdata(dev);
unsigned long flags;
u8 val;
@@ -303,9 +295,8 @@ static int m48t59_rtc_proc(struct device *dev, struct seq_file *seq)
static irqreturn_t m48t59_rtc_interrupt(int irq, void *dev_id)
{
struct device *dev = (struct device *)dev_id;
- struct platform_device *pdev = to_platform_device(dev);
- struct m48t59_plat_data *pdata = dev_get_platdata(&pdev->dev);
- struct m48t59_private *m48t59 = platform_get_drvdata(pdev);
+ struct m48t59_plat_data *pdata = dev_get_platdata(dev);
+ struct m48t59_private *m48t59 = dev_get_drvdata(dev);
u8 event;
spin_lock(&m48t59->lock);