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libata: skip EH autopsy and recovery during suspend

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For some mysterious reason, certain hardware reacts badly to usual EH
actions while the system is going for suspend.  As the devices won't
be needed until the system is resumed, ask EH to skip usual autopsy
and recovery and proceed directly to suspend.

Signed-off-by: Tejun Heo <tj@kernel.org>
Tested-by: Stephan Diestelhorst <stephan.diestelhorst@amd.com>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
This commit is contained in:
Tejun Heo 2010-09-07 14:05:31 +02:00 • committed by Jeff Garzik
parent 992b3fb9b5
commit e2f3d75fc0
3 changed files with 18 additions and 1 deletions
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1
include/linux/libata.h
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@ -335,6 +335,7 @@ enum {
ATA_EHI_HOTPLUGGED = (1 << 0), /* could have been hotplugged */
ATA_EHI_NO_AUTOPSY = (1 << 2), /* no autopsy */
ATA_EHI_QUIET = (1 << 3), /* be quiet */
ATA_EHI_NO_RECOVERY = (1 << 4), /* no recovery */
ATA_EHI_DID_SOFTRESET = (1 << 16), /* already soft-reset this port */
ATA_EHI_DID_HARDRESET = (1 << 17), /* already soft-reset this port */