On 02/24/2011 01:30 PM, Tejun Heo wrote:
ata_eh_analyze_serror() suppresses hotplug notifications if LPM is being used because LPM generates spurious hotplug events. It compared whether link->lpm_policy was different from ATA_LPM_MAX_POWER to determine whether LPM is enabled; however, this is incorrect as for drivers which don't implement LPM, lpm_policy is always ATA_LPM_UNKNOWN. This disabled hotplug detection for all drivers which don't implement LPM. Fix it by comparing whether lpm_policy is greater than ATA_LPM_MAX_POWER. Signed-off-by: Tejun Heo<tj@xxxxxxxxxx> Cc: stable@xxxxxxxxxx
applied, though putting this into 2.6.38.1 is preferred to changing this at -rc7... stable@ cc'd.
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