Commit 79ea24e7 authored by Tejun Heo's avatar Tejun Heo Committed by Jeff Garzik
Browse files

[PATCH] ata_piix: fix ich6/m_map_db 



MAP tables of ich6 and ich6m are wrong.  Depending on port usage,
ata_piix may fail to initialize attached devices.

Signed-off-by: default avatarTejun Heo <htejun@gmail.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent ea19006f

drivers/scsi/ata_piix.c

+2 −2
Original line number Diff line number Diff line
@@ -301,7 +301,7 @@ static struct piix_map_db ich6_map_db = { 
	.mask = 0x3,

	.map = {

		/* PM   PS   SM   SS       MAP */

		{  P0,  P1,  P2,  P3 }, /* 00b */

		{  P0,  P2,  P1,  P3 }, /* 00b */

		{ IDE, IDE,  P1,  P3 }, /* 01b */

		{  P0,  P2, IDE, IDE }, /* 10b */

		{  RV,  RV,  RV,  RV },
@@ -312,7 +312,7 @@ static struct piix_map_db ich6m_map_db = { 
	.mask = 0x3,

	.map = {

		/* PM   PS   SM   SS       MAP */

		{  P0,  P1,  P2,  P3 }, /* 00b */

		{  P0,  P2,  RV,  RV }, /* 00b */

		{  RV,  RV,  RV,  RV },

		{  P0,  P2, IDE, IDE }, /* 10b */

		{  RV,  RV,  RV,  RV },