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Re: [PATCH] RTC: Fix CMOS time error after writing /proc/acpi/alarm
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From:
Alessandro Zummo <alessandro.zummo@...>
To: <rtc-linux@...>
Cc: <huacai.chen@...>, <linux-acpi@...>, <linux-pm@...>, <lenb@...>, <p_gortmaker@...>, <linux-kernel@...>, <akpm@...>
Subject:
Re: [PATCH] RTC: Fix CMOS time error after writing /proc/acpi/alarm
Date: Wednesday, June 25, 2008 - 4:44 am
On Mon, 23 Jun 2008 18:52:21 +0800 "Chen, Huacai" <huacai.chen@intel.com> wrote:
quoted text
> From: Huacai Chen <huacai.chen@intel.com> > > When writing /proc/acpi/alarm in adjust mode, e.g. > echo "+0000-00-00 00:00:15" >/proc/acpi/alarm > The "century" field should be read and added to "year" field before > writing, otherwise the CMOS time will go back to 2000 years ago, e.g. > # cat /proc/acpi/alarm > 0008-06-21 11:38:46 > Then the system time may be reset to the date of manufacture after > rebooting. This patch fixed this issue. > > Signed-off-by: Huacai Chen <huacai.chen@intel.com> > Acked-by: Pavel Machek <pavel@suse.cz>
Acked-by: Alessandro Zummo <a.zummo@towertech.it> -- Best regards, Alessandro Zummo, Tower Technologies - Torino, Italy
http://www.towertech.it
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Messages in current thread:
[PATCH] RTC: Fix CMOS time error after writing /proc/acpi/al...
, Chen, Huacai
, (Mon Jun 23, 6:52 am)
Re: [PATCH] RTC: Fix CMOS time error after writing /proc/acp...
, Alessandro Zummo
, (Wed Jun 25, 4:44 am)
Re: [PATCH] RTC: Fix CMOS time error after writing /proc/acp...
, Zhao Yakui
, (Tue Jun 24, 2:37 am)
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