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ACPI: EC: Detect irq storm
authorAlexey Starikovskiy <astarikovskiy@suse.de>
Fri, 21 Mar 2008 16:36:02 +0000 (19:36 +0300)
committerLen Brown <len.brown@intel.com>
Tue, 25 Mar 2008 00:50:59 +0000 (20:50 -0400)
commitfa95ba04e6ba11d71e1b87becd054b38faf546c8
tree42bd9c980d4ef6b4c509daa4bf01ebb761ab119dtree | snapshot
parent223883b7aafa02410ed2e571d6032c876d0b23b8commit | diff
ACPI: EC: Detect irq storm

Problem seems to be that hw fails to clear GPE after we service it and write 1
into corresponding bit. Thus, as soon as we get interrupts enabled again, we
receive a new one. Google gives too many results for "acer interrupt storm" for
this being one-broken-machine case.

Reference: http://bugzilla.kernel.org/show_bug.cgi?id=9998

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
drivers/acpi/ec.c diff | blob | history
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