Tejun Heo wrote:
ap->id is logcial port ID which is unique among all ATA ports and doesn't have anything to do with hardware port index. ap->port_no is the hardware port index and thus should be used when clearing IRQ mask in ahci_thaw(). This problem has been spotted by Jeff Garzik <jgarzik@xxxxxxxxx>. Signed-off-by: Tejun Heo <htejun@xxxxxxxxx>
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