Commit e0bfd149 authored by Tejun Heo's avatar Tejun Heo Committed by Jeff Garzik
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[PATCH] ahci: stop engine during hard reset 



AHCI spec mandates engine to be stopped during hard resets.

Signed-off-by: default avatarTejun Heo <htejun@gmail.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@pobox.com>
parent 95064379

drivers/scsi/ahci.c

+2 −0
Original line number Diff line number Diff line
@@ -504,7 +504,9 @@ static void ahci_phy_reset(struct ata_port *ap) 
	struct ata_device *dev = &ap->device[0];

	u32 new_tmp, tmp;



	ahci_stop_engine(ap);

	__sata_phy_reset(ap);

	ahci_start_engine(ap);



	if (ap->flags & ATA_FLAG_PORT_DISABLED)

		return;