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authorBorislav Petkov <bp@alien8.de>2013-07-20 19:00:23 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-13 13:48:03 -0800
commit29a16182858f1aea2715aa96ecd19763e75d6def (patch)
tree9dacbfdc91ca4d13241d88beb85ead4014248d56 /kernel/time
parent226e0f713f585c549f4200bb8a69b6753dff28d0 (diff)
downloadlinaro-lsk-29a16182858f1aea2715aa96ecd19763e75d6def.tar.gz
rtc-cmos: Add an alarm disable quirk
commit d5a1c7e3fc38d9c7d629e1e47f32f863acbdec3d upstream. 41c7f7424259f ("rtc: Disable the alarm in the hardware (v2)") added the functionality to disable the RTC wake alarm when shutting down the box. However, there are at least two b0rked BIOSes we know about: https://bugzilla.novell.com/show_bug.cgi?id=812592 https://bugzilla.novell.com/show_bug.cgi?id=805740 where, when wakeup alarm is enabled in the BIOS, the machine reboots automatically right after shutdown, regardless of what wakeup time is programmed. Bisecting the issue lead to this patch so disable its functionality with a DMI quirk only for those boxes. Cc: Brecht Machiels <brecht@mos6581.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: John Stultz <john.stultz@linaro.org> Cc: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Borislav Petkov <bp@suse.de> [jstultz: Changed variable name for clarity, added extra dmi entry] Tested-by: Brecht Machiels <brecht@mos6581.org> Tested-by: Borislav Petkov <bp@suse.de> Signed-off-by: John Stultz <john.stultz@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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