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[PATCH] ahci: stop engine during hard reset
AHCI spec mandates engine to be stopped during hard resets. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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@ -504,7 +504,9 @@ static void ahci_phy_reset(struct ata_port *ap)
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struct ata_device *dev = &ap->device[0];
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u32 new_tmp, tmp;
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ahci_stop_engine(ap);
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__sata_phy_reset(ap);
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ahci_start_engine(ap);
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if (ap->flags & ATA_FLAG_PORT_DISABLED)
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return;
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