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drivers/rtc/rtc-vt8500.c: correct handling of CR_24H bitfield

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Control register bitfield for 12H/24H mode is handled incorrectly.
Setting CR_24H actually enables 12H mode.  This patch renames the define
and changes the initialization code to correctly set 24H mode.

Signed-off-by: Tony Prisk <linux@prisktech.co.nz>
Cc: Edgar Toernig <froese@gmx.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Tony Prisk 2013-01-04 15:35:47 -08:00 committed by Linus Torvalds
parent dc59ed3865
commit 532db570e5
1 changed files with 2 additions and 2 deletions
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4
drivers/rtc/rtc-vt8500.c
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@ -70,7 +70,7 @@
| ALARM_SEC_BIT)
#define VT8500_RTC_CR_ENABLE (1 << 0) /* Enable RTC */
#define VT8500_RTC_CR_24H (1 << 1) /* 24h time format */
#define VT8500_RTC_CR_12H (1 << 1) /* 12h time format */
#define VT8500_RTC_CR_SM_ENABLE (1 << 2) /* Enable periodic irqs */
#define VT8500_RTC_CR_SM_SEC (1 << 3) /* 0: 1Hz/60, 1: 1Hz */
#define VT8500_RTC_CR_CALIB (1 << 4) /* Enable calibration */
@ -247,7 +247,7 @@ static int vt8500_rtc_probe(struct platform_device *pdev)
}
/* Enable RTC and set it to 24-hour mode */
writel(VT8500_RTC_CR_ENABLE | VT8500_RTC_CR_24H,
writel(VT8500_RTC_CR_ENABLE,
vt8500_rtc->regbase + VT8500_RTC_CR);
vt8500_rtc->rtc = rtc_device_register("vt8500-rtc", &pdev->dev,