* [PATCH] ahci: stop engine during hard reset
@ 2006-01-23 7:31 Tejun Heo
2006-01-27 4:07 ` Jeff Garzik
0 siblings, 1 reply; 2+ messages in thread
From: Tejun Heo @ 2006-01-23 7:31 UTC (permalink / raw)
To: Jeff Garzik, linux-ide
AHCI spec mandates engine to be stopped during hard resets.
Signed-off-by: Tejun Heo <htejun@gmail.com>
---
Jeff, saner version of stopping engine during AHCI hard reset.
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index 604c4d1..b378cde 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -504,7 +504,9 @@ static void ahci_phy_reset(struct ata_po
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;
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ahci: stop engine during hard reset
2006-01-23 7:31 [PATCH] ahci: stop engine during hard reset Tejun Heo
@ 2006-01-27 4:07 ` Jeff Garzik
0 siblings, 0 replies; 2+ messages in thread
From: Jeff Garzik @ 2006-01-27 4:07 UTC (permalink / raw)
To: Tejun Heo; +Cc: linux-ide
Tejun Heo wrote:
> AHCI spec mandates engine to be stopped during hard resets.
>
> Signed-off-by: Tejun Heo <htejun@gmail.com>
applied
^ permalink raw reply [flat|nested] 2+ messages in thread
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2006-01-23 7:31 [PATCH] ahci: stop engine during hard reset Tejun Heo
2006-01-27 4:07 ` Jeff Garzik
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