diff mbox

[RFC,v2,6/9] rtc/mxc: Modify rtc_update_alarm() not to touch the alarm time

Message ID 1421163897-8020-7-git-send-email-xlpang@126.com
State New
Headers show

Commit Message

Xunlei Pang Jan. 13, 2015, 3:44 p.m. UTC
From: Xunlei Pang <pang.xunlei@linaro.org>

rtc_class_ops's set_alarm() shouldn't deal with the alarm date,
as this is handled in the rtc core.

See rtc_dev_ioctl()'s RTC_ALM_SET and RTC_WKALM_SET cases.

Signed-off-by: Xunlei Pang <pang.xunlei@linaro.org>
---
 drivers/rtc/rtc-mxc.c | 22 ++++------------------
 1 file changed, 4 insertions(+), 18 deletions(-)

Comments

pang.xunlei Jan. 14, 2015, 3:13 p.m. UTC | #1
Cc Fabio Estevam <fabio.estevam@freescale.com>

On 13 January 2015 at 23:44, Xunlei Pang <xlpang@126.com> wrote:
> From: Xunlei Pang <pang.xunlei@linaro.org>
>
> rtc_class_ops's set_alarm() shouldn't deal with the alarm date,
> as this is handled in the rtc core.
>
> See rtc_dev_ioctl()'s RTC_ALM_SET and RTC_WKALM_SET cases.
>
> Signed-off-by: Xunlei Pang <pang.xunlei@linaro.org>
> ---
>  drivers/rtc/rtc-mxc.c | 22 ++++------------------
>  1 file changed, 4 insertions(+), 18 deletions(-)
>
> diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c
> index 3c3f8d1..a7b218f 100644
> --- a/drivers/rtc/rtc-mxc.c
> +++ b/drivers/rtc/rtc-mxc.c
> @@ -173,29 +173,18 @@ static void set_alarm_or_time(struct device *dev, int time_alarm, u32 time)
>   * This function updates the RTC alarm registers and then clears all the
>   * interrupt status bits.
>   */
> -static int rtc_update_alarm(struct device *dev, struct rtc_time *alrm)
> +static void rtc_update_alarm(struct device *dev, struct rtc_time *alrm)
>  {
> -       struct rtc_time alarm_tm, now_tm;
> -       unsigned long now, time;
> +       unsigned long time;
>         struct platform_device *pdev = to_platform_device(dev);
>         struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
>         void __iomem *ioaddr = pdata->ioaddr;
>
> -       now = get_alarm_or_time(dev, MXC_RTC_TIME);
> -       rtc_time_to_tm(now, &now_tm);
> -       alarm_tm.tm_year = now_tm.tm_year;
> -       alarm_tm.tm_mon = now_tm.tm_mon;
> -       alarm_tm.tm_mday = now_tm.tm_mday;
> -       alarm_tm.tm_hour = alrm->tm_hour;
> -       alarm_tm.tm_min = alrm->tm_min;
> -       alarm_tm.tm_sec = alrm->tm_sec;
> -       rtc_tm_to_time(&alarm_tm, &time);
> +       rtc_tm_to_time(alrm, &time);
>
>         /* clear all the interrupt status bits */
>         writew(readw(ioaddr + RTC_RTCISR), ioaddr + RTC_RTCISR);
>         set_alarm_or_time(dev, MXC_RTC_ALARM, time);
> -
> -       return 0;
>  }
>
>  static void mxc_rtc_irq_enable(struct device *dev, unsigned int bit,
> @@ -346,11 +335,8 @@ static int mxc_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
>  {
>         struct platform_device *pdev = to_platform_device(dev);
>         struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
> -       int ret;
>
> -       ret = rtc_update_alarm(dev, &alrm->time);
> -       if (ret)
> -               return ret;
> +       rtc_update_alarm(dev, &alrm->time);
>
>         memcpy(&pdata->g_rtc_alarm, &alrm->time, sizeof(struct rtc_time));
>         mxc_rtc_irq_enable(dev, RTC_ALM_BIT, alrm->enabled);
> --
> 1.9.1
>
>
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diff mbox

Patch

diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c
index 3c3f8d1..a7b218f 100644
--- a/drivers/rtc/rtc-mxc.c
+++ b/drivers/rtc/rtc-mxc.c
@@ -173,29 +173,18 @@  static void set_alarm_or_time(struct device *dev, int time_alarm, u32 time)
  * This function updates the RTC alarm registers and then clears all the
  * interrupt status bits.
  */
-static int rtc_update_alarm(struct device *dev, struct rtc_time *alrm)
+static void rtc_update_alarm(struct device *dev, struct rtc_time *alrm)
 {
-	struct rtc_time alarm_tm, now_tm;
-	unsigned long now, time;
+	unsigned long time;
 	struct platform_device *pdev = to_platform_device(dev);
 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
 	void __iomem *ioaddr = pdata->ioaddr;
 
-	now = get_alarm_or_time(dev, MXC_RTC_TIME);
-	rtc_time_to_tm(now, &now_tm);
-	alarm_tm.tm_year = now_tm.tm_year;
-	alarm_tm.tm_mon = now_tm.tm_mon;
-	alarm_tm.tm_mday = now_tm.tm_mday;
-	alarm_tm.tm_hour = alrm->tm_hour;
-	alarm_tm.tm_min = alrm->tm_min;
-	alarm_tm.tm_sec = alrm->tm_sec;
-	rtc_tm_to_time(&alarm_tm, &time);
+	rtc_tm_to_time(alrm, &time);
 
 	/* clear all the interrupt status bits */
 	writew(readw(ioaddr + RTC_RTCISR), ioaddr + RTC_RTCISR);
 	set_alarm_or_time(dev, MXC_RTC_ALARM, time);
-
-	return 0;
 }
 
 static void mxc_rtc_irq_enable(struct device *dev, unsigned int bit,
@@ -346,11 +335,8 @@  static int mxc_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
 {
 	struct platform_device *pdev = to_platform_device(dev);
 	struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
-	int ret;
 
-	ret = rtc_update_alarm(dev, &alrm->time);
-	if (ret)
-		return ret;
+	rtc_update_alarm(dev, &alrm->time);
 
 	memcpy(&pdata->g_rtc_alarm, &alrm->time, sizeof(struct rtc_time));
 	mxc_rtc_irq_enable(dev, RTC_ALM_BIT, alrm->enabled);