LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: tip-bot for Xunlei Pang <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: a.zummo@towertech.it, tglx@linutronix.de, hpa@zytor.com,
	mingo@kernel.org, john.stultz@linaro.org, pang.xunlei@linaro.org,
	linux-kernel@vger.kernel.org, peterz@infradead.org
Subject: [tip:timers/core] drivers/rtc/mxc: Modify rtc_update_alarm() not to touch the alarm time
Date: Fri, 3 Apr 2015 01:18:32 -0700	[thread overview]
Message-ID: <tip-482494a8d395877c4776a3d76f89342d7ad7c4c6@git.kernel.org> (raw)
In-Reply-To: <1427945681-29972-12-git-send-email-john.stultz@linaro.org>

Commit-ID:  482494a8d395877c4776a3d76f89342d7ad7c4c6
Gitweb:     http://git.kernel.org/tip/482494a8d395877c4776a3d76f89342d7ad7c4c6
Author:     Xunlei Pang <pang.xunlei@linaro.org>
AuthorDate: Wed, 1 Apr 2015 20:34:31 -0700
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Fri, 3 Apr 2015 08:18:27 +0200

drivers/rtc/mxc: Modify rtc_update_alarm() not to touch the alarm time

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>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Acked-by: Alessandro Zummo <a.zummo@towertech.it>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1427945681-29972-12-git-send-email-john.stultz@linaro.org
Signed-off-by: Ingo Molnar <mingo@kernel.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);

  reply	other threads:[~2015-04-03  8:19 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-02  3:34 [PATCH 00/21] 4.1 time and rtc changes for tip/timers/core John Stultz
2015-04-02  3:34 ` [PATCH 01/21] time: Add y2038 safe read_boot_clock64() John Stultz
2015-04-03  8:15   ` [tip:timers/core] " tip-bot for Xunlei Pang
2015-04-02  3:34 ` [PATCH 02/21] time: Add y2038 safe read_persistent_clock64() John Stultz
2015-04-03  8:15   ` [tip:timers/core] " tip-bot for Xunlei Pang
2015-04-02  3:34 ` [PATCH 03/21] time: Add y2038 safe update_persistent_clock64() John Stultz
2015-04-03  8:16   ` [tip:timers/core] time: Add y2038 safe update_persistent_clock64( ) tip-bot for Xunlei Pang
2015-04-02  3:34 ` [PATCH 04/21] ARM: OMAP: 32k counter: Provide y2038-safe omap_read_persistent_clock() replacement John Stultz
2015-04-03  8:16   ` [tip:timers/core] " tip-bot for Xunlei Pang
2015-04-02  3:34 ` [PATCH 05/21] ARM: tegra: clock: Provide y2038-safe tegra_read_persistent_clock() replacement John Stultz
2015-04-03  8:16   ` [tip:timers/core] clocksource/drivers/tegra: " tip-bot for Xunlei Pang
2015-04-02  3:34 ` [PATCH 06/21] ARM: time: Provide read_boot_clock64() and read_persistent_clock64() John Stultz
2015-04-03  8:17   ` [tip:timers/core] ARM, clocksource/drivers: Provide read_boot_clock64() and read_persistent_clock64() and use them tip-bot for Xunlei Pang
2015-04-02  3:34 ` [PATCH 07/21] rtc: Provide y2038 safe rtc_class_ops.set_mmss() replacement John Stultz
2015-04-03  8:17   ` [tip:timers/core] drivers/rtc: " tip-bot for Xunlei Pang
2015-04-02  3:34 ` [PATCH 08/21] rtc/test: Update driver to address y2038/y2106 issues John Stultz
2015-04-03  8:17   ` [tip:timers/core] drivers/rtc/test: " tip-bot for Xunlei Pang
2015-04-02  3:34 ` [PATCH 09/21] rtc/ab3100: " John Stultz
2015-04-03  8:17   ` [tip:timers/core] drivers/rtc/ab3100: " tip-bot for Xunlei Pang
2015-04-02  3:34 ` [PATCH 10/21] rtc/mc13xxx: " John Stultz
2015-04-03  8:18   ` [tip:timers/core] drivers/rtc/mc13xxx: " tip-bot for Xunlei Pang
2015-04-02  3:34 ` [PATCH 11/21] rtc/mxc: Modify rtc_update_alarm() not to touch the alarm time John Stultz
2015-04-03  8:18   ` tip-bot for Xunlei Pang [this message]
2015-04-02  3:34 ` [PATCH 12/21] rtc/mxc: Convert get_alarm_or_time()/set_alarm_or_time() to use time64_t John Stultz
2015-04-03  8:18   ` [tip:timers/core] drivers/rtc/mxc: Convert get_alarm_or_time()/ set_alarm_or_time() " tip-bot for Xunlei Pang
2015-04-02  3:34 ` [PATCH 13/21] rtc/mxc: Update driver to address y2038/y2106 issues John Stultz
2015-04-03  8:19   ` [tip:timers/core] drivers/rtc/mxc: Update driver to address y2038 /y2106 issues tip-bot for Xunlei Pang
2015-04-02  3:34 ` [PATCH 14/21] alpha: rtc: Change to use rtc_class_ops's set_mmss64() John Stultz
2015-04-03  8:19   ` [tip:timers/core] alpha, rtc: Change to use rtc_class_ops' s set_mmss64() tip-bot for Xunlei Pang
2015-04-02  3:34 ` [PATCH 15/21] time: Don't build timekeeping_inject_sleeptime64() if no one uses it John Stultz
2015-04-03  8:19   ` [tip:timers/core] time: Don' t " tip-bot for Xunlei Pang
2015-04-02  3:34 ` [PATCH 16/21] rtc: Remove redundant rtc_valid_tm() from rtc_resume() John Stultz
2015-04-03  8:19   ` [tip:timers/core] drivers/rtc: " tip-bot for Xunlei Pang
2015-04-02  3:34 ` [PATCH 17/21] time: Fix a bug in timekeeping_suspend() with no persistent clock John Stultz
2015-04-03  6:16   ` Ingo Molnar
2015-04-03  8:20   ` [tip:timers/core] " tip-bot for Xunlei Pang
2015-04-02  3:34 ` [PATCH 18/21] time: rtc: Don't bother into rtc_resume() for the nonstop clocksource John Stultz
2015-04-03  8:20   ` [tip:timers/core] time, drivers/rtc: Don't bother with rtc_resume () " tip-bot for Xunlei Pang
2015-04-02  3:34 ` [PATCH 19/21] clocksource: Improve comment explaining clocks_calc_max_nsecs()'s 50% safety margin John Stultz
2015-04-02  8:50   ` Peter Zijlstra
2015-04-02 17:30     ` John Stultz
2015-04-02 18:34       ` Peter Zijlstra
2015-04-02 18:41         ` John Stultz
2015-04-02 18:43           ` Peter Zijlstra
2015-04-02 18:50             ` John Stultz
2015-04-02 19:04               ` Peter Zijlstra
2015-04-03  8:20   ` [tip:timers/core] " tip-bot for John Stultz
2015-04-02  3:34 ` [PATCH 20/21] timekeeping: Change timekeeping_check_update() to take a tk_read_base John Stultz
2015-04-02  3:34 ` [PATCH 21/21] time: Rework debugging variables so they aren't global John Stultz
2015-04-02  7:47   ` Peter Zijlstra
2015-04-02  7:51     ` Ingo Molnar
2015-04-02  8:36       ` Peter Zijlstra
2015-04-02  8:41         ` Peter Zijlstra
2015-04-02 17:32       ` John Stultz
2015-04-03  6:21         ` Ingo Molnar

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=tip-482494a8d395877c4776a3d76f89342d7ad7c4c6@git.kernel.org \
    --to=tipbot@zytor.com \
    --cc=a.zummo@towertech.it \
    --cc=hpa@zytor.com \
    --cc=john.stultz@linaro.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-tip-commits@vger.kernel.org \
    --cc=mingo@kernel.org \
    --cc=pang.xunlei@linaro.org \
    --cc=peterz@infradead.org \
    --cc=tglx@linutronix.de \
    --subject='Re: [tip:timers/core] drivers/rtc/mxc: Modify rtc_update_alarm() not to touch the alarm time' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).