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authorThomas Gleixner <tglx@linutronix.de>2011-02-25 22:34:23 +0100
committerAK <andi@firstfloor.org>2011-03-31 11:58:16 -0700
commitc3b01b0df34002e981ed6d0b04fe8cecd25d3625 (patch)
tree457dc6392db063998062c400a23ef13fa6fd6af3 /drivers/mtd
parent23d154c71721fd0fa6199851078f32e6bd765664 (diff)
clockevents: Prevent oneshot mode when broadcast device is periodic
commit 3a142a0672b48a853f00af61f184c7341ac9c99d upstream. When the per cpu timer is marked CLOCK_EVT_FEAT_C3STOP, then we only can switch into oneshot mode, when the backup broadcast device supports oneshot mode as well. Otherwise we would try to switch the broadcast device into an unsupported mode unconditionally. This went unnoticed so far as the current available broadcast devices support oneshot mode. Seth unearthed this problem while debugging and working around an hpet related BIOS wreckage. Add the necessary check to tick_is_oneshot_available(). Reported-and-tested-by: Seth Forshee <seth.forshee@canonical.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andi Kleen <ak@linux.intel.com> LKML-Reference: <alpine.LFD.2.00.1102252231200.2701@localhost6.localdomain6> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/mtd')
0 files changed, 0 insertions, 0 deletions