[PATCH libata#upstream] sata_promise: fix error decode regression

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Promise ATA ports should always be reset by pdc_reset_port()
when errors are detected, but the recent error reason decoding
update to sata_promise replaced that reset with a freeze.

This patch changes the error detection to do a reset again.
This makes the error decoding update safer, as it now only
adds error decoding without changing any other behaviour.

Signed-off-by: Mikael Pettersson <mikpe@xxxxxxxx>
---
 drivers/ata/sata_promise.c |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

--- linux-2.6.21-rc6+upstream/drivers/ata/sata_promise.c.~1~	2007-04-06 19:40:01.000000000 +0200
+++ linux-2.6.21-rc6+upstream/drivers/ata/sata_promise.c	2007-04-06 19:45:33.000000000 +0200
@@ -45,7 +45,7 @@
 #include "sata_promise.h"
 
 #define DRV_NAME	"sata_promise"
-#define DRV_VERSION	"2.04"
+#define DRV_VERSION	"2.05"
 
 
 enum {
@@ -650,9 +650,12 @@ static void pdc_error_intr(struct ata_po
 			   | PDC_PCI_SYS_ERR | PDC1_PCI_PARITY_ERR))
 		ac_err_mask |= AC_ERR_HOST_BUS;
 
-	ehi->action |= ATA_EH_SOFTRESET;
+	if (sata_scr_valid(ap))
+		ehi->serror |= pdc_sata_scr_read(ap, SCR_ERROR);
+
 	qc->err_mask |= ac_err_mask;
-	ata_port_freeze(ap);
+
+	pdc_reset_port(ap);
 }
 
 static inline unsigned int pdc_host_intr( struct ata_port *ap,
-
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