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* [PATCH] sata_nv: handle SError status indication
@ 2007-02-12  0:36 Robert Hancock
  2007-02-15 23:09 ` Jeff Garzik
  0 siblings, 1 reply; 2+ messages in thread
From: Robert Hancock @ 2007-02-12  0:36 UTC (permalink / raw)
  To: linux-kernel, linux-ide, Jeff Garzik, Andrew Morton

ADMA-capable controllers provide a bit in the status register that appears
to indicate that the controller detected an SError condition. Update sata_nv
to detect this and trigger error handling in order to handle the fault.

Signed-off-by: Robert Hancock <hancockr@shaw.ca>

--- drivers/ata/sata_nv.c.before_serror	2007-02-11 17:49:27.000000000 -0600
+++ drivers/ata/sata_nv.c	2007-02-11 17:54:39.000000000 -0600
@@ -827,7 +827,8 @@ static irqreturn_t nv_adma_interrupt(int
 			/* freeze if hotplugged or controller error */
 			if (unlikely(status & (NV_ADMA_STAT_HOTPLUG |
 					       NV_ADMA_STAT_HOTUNPLUG |
-					       NV_ADMA_STAT_TIMEOUT))) {
+					       NV_ADMA_STAT_TIMEOUT |
+					       NV_ADMA_STAT_SERROR))) {
 				struct ata_eh_info *ehi = &ap->eh_info;
 
 				ata_ehi_clear_desc(ehi);
@@ -841,6 +842,9 @@ static irqreturn_t nv_adma_interrupt(int
 				} else if (status & NV_ADMA_STAT_HOTUNPLUG) {
 					ata_ehi_hotplugged(ehi);
 					ata_ehi_push_desc(ehi, ": hot unplug");
+				} else if (status & NV_ADMA_STAT_SERROR) {
+					/* let libata analyze SError and figure out the cause */
+					ata_ehi_push_desc(ehi, ": SError");
 				}
 				ata_port_freeze(ap);
 				continue;


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] sata_nv: handle SError status indication
  2007-02-12  0:36 [PATCH] sata_nv: handle SError status indication Robert Hancock
@ 2007-02-15 23:09 ` Jeff Garzik
  0 siblings, 0 replies; 2+ messages in thread
From: Jeff Garzik @ 2007-02-15 23:09 UTC (permalink / raw)
  To: Robert Hancock; +Cc: linux-kernel, linux-ide, Andrew Morton

Robert Hancock wrote:
> ADMA-capable controllers provide a bit in the status register that appears
> to indicate that the controller detected an SError condition. Update 
> sata_nv
> to detect this and trigger error handling in order to handle the fault.
> 
> Signed-off-by: Robert Hancock <hancockr@shaw.ca>

applied



^ permalink raw reply	[flat|nested] 2+ messages in thread

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