From: Tejun Heo <htejun@gmail.com>

* move common flags into PIIX_PATA_FLAGS and PIIX_SATA_FLAGS
* kill unnecessary ATA_FLAG_SRST

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---

 drivers/ata/ata_piix.c |   34 +++++++++++++++-------------------
 1 files changed, 15 insertions(+), 19 deletions(-)

diff -puN drivers/ata/ata_piix.c~ata_piix-clean-up-port-flags drivers/ata/ata_piix.c
--- a/drivers/ata/ata_piix.c~ata_piix-clean-up-port-flags
+++ a/drivers/ata/ata_piix.c
@@ -106,6 +106,9 @@ enum {
 	PIIX_FLAG_AHCI		= (1 << 27), /* AHCI possible */
 	PIIX_FLAG_CHECKINTR	= (1 << 28), /* make sure PCI INTx enabled */
 
+	PIIX_PATA_FLAGS		= ATA_FLAG_SLAVE_POSS,
+	PIIX_SATA_FLAGS		= ATA_FLAG_SATA | PIIX_FLAG_CHECKINTR,
+
 	/* combined mode.  if set, PATA is channel 0.
 	 * if clear, PATA is channel 1.
 	 */
@@ -453,7 +456,7 @@ static struct ata_port_info piix_port_in
 	/* piix_pata_33: 0:  PIIX3 or 4 at 33MHz */
 	{
 		.sht		= &piix_sht,
-		.flags		= ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
+		.flags		= PIIX_PATA_FLAGS,
 		.pio_mask	= 0x1f,	/* pio0-4 */
 		.mwdma_mask	= 0x06, /* mwdma1-2 ?? CHECK 0 should be ok but slow */
 		.udma_mask	= ATA_UDMA_MASK_40C,
@@ -463,7 +466,7 @@ static struct ata_port_info piix_port_in
 	/* ich_pata_33: 1 	ICH0 - ICH at 33Mhz*/
 	{
 		.sht		= &piix_sht,
-		.flags		= ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS,
+		.flags		= PIIX_PATA_FLAGS,
 		.pio_mask 	= 0x1f,	/* pio 0-4 */
 		.mwdma_mask	= 0x06, /* Check: maybe 0x07  */
 		.udma_mask	= ATA_UDMA2, /* UDMA33 */
@@ -472,7 +475,7 @@ static struct ata_port_info piix_port_in
 	/* ich_pata_66: 2 	ICH controllers up to 66MHz */
 	{
 		.sht		= &piix_sht,
-		.flags		= ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS,
+		.flags		= PIIX_PATA_FLAGS,
 		.pio_mask 	= 0x1f,	/* pio 0-4 */
 		.mwdma_mask	= 0x06, /* MWDMA0 is broken on chip */
 		.udma_mask	= ATA_UDMA4,
@@ -482,7 +485,7 @@ static struct ata_port_info piix_port_in
 	/* ich_pata_100: 3 */
 	{
 		.sht		= &piix_sht,
-		.flags		= ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS | PIIX_FLAG_CHECKINTR,
+		.flags		= PIIX_PATA_FLAGS | PIIX_FLAG_CHECKINTR,
 		.pio_mask	= 0x1f,	/* pio0-4 */
 		.mwdma_mask	= 0x06, /* mwdma1-2 */
 		.udma_mask	= ATA_UDMA5, /* udma0-5 */
@@ -492,7 +495,7 @@ static struct ata_port_info piix_port_in
 	/* ich_pata_133: 4 	ICH with full UDMA6 */
 	{
 		.sht		= &piix_sht,
-		.flags		= ATA_FLAG_SRST | ATA_FLAG_SLAVE_POSS | PIIX_FLAG_CHECKINTR,
+		.flags		= PIIX_PATA_FLAGS | PIIX_FLAG_CHECKINTR,
 		.pio_mask 	= 0x1f,	/* pio 0-4 */
 		.mwdma_mask	= 0x06, /* Check: maybe 0x07  */
 		.udma_mask	= ATA_UDMA6, /* UDMA133 */
@@ -502,8 +505,7 @@ static struct ata_port_info piix_port_in
 	/* ich5_sata: 5 */
 	{
 		.sht		= &piix_sht,
-		.flags		= ATA_FLAG_SATA | PIIX_FLAG_CHECKINTR |
-				  PIIX_FLAG_IGNORE_PCS,
+		.flags		= PIIX_SATA_FLAGS | PIIX_FLAG_IGNORE_PCS,
 		.pio_mask	= 0x1f,	/* pio0-4 */
 		.mwdma_mask	= 0x07, /* mwdma0-2 */
 		.udma_mask	= 0x7f,	/* udma0-6 */
@@ -513,8 +515,7 @@ static struct ata_port_info piix_port_in
 	/* i6300esb_sata: 6 */
 	{
 		.sht		= &piix_sht,
-		.flags		= ATA_FLAG_SATA |
-				  PIIX_FLAG_CHECKINTR | PIIX_FLAG_IGNORE_PCS,
+		.flags		= PIIX_SATA_FLAGS | PIIX_FLAG_IGNORE_PCS,
 		.pio_mask	= 0x1f,	/* pio0-4 */
 		.mwdma_mask	= 0x07, /* mwdma0-2 */
 		.udma_mask	= 0x7f,	/* udma0-6 */
@@ -524,8 +525,7 @@ static struct ata_port_info piix_port_in
 	/* ich6_sata: 7 */
 	{
 		.sht		= &piix_sht,
-		.flags		= ATA_FLAG_SATA |
-				  PIIX_FLAG_CHECKINTR | PIIX_FLAG_SCR,
+		.flags		= PIIX_SATA_FLAGS | PIIX_FLAG_SCR,
 		.pio_mask	= 0x1f,	/* pio0-4 */
 		.mwdma_mask	= 0x07, /* mwdma0-2 */
 		.udma_mask	= 0x7f,	/* udma0-6 */
@@ -535,8 +535,7 @@ static struct ata_port_info piix_port_in
 	/* ich6_sata_ahci: 8 */
 	{
 		.sht		= &piix_sht,
-		.flags		= ATA_FLAG_SATA |
-				  PIIX_FLAG_CHECKINTR | PIIX_FLAG_SCR |
+		.flags		= PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
 				  PIIX_FLAG_AHCI,
 		.pio_mask	= 0x1f,	/* pio0-4 */
 		.mwdma_mask	= 0x07, /* mwdma0-2 */
@@ -547,8 +546,7 @@ static struct ata_port_info piix_port_in
 	/* ich6m_sata_ahci: 9 */
 	{
 		.sht		= &piix_sht,
-		.flags		= ATA_FLAG_SATA |
-				  PIIX_FLAG_CHECKINTR | PIIX_FLAG_SCR |
+		.flags		= PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
 				  PIIX_FLAG_AHCI,
 		.pio_mask	= 0x1f,	/* pio0-4 */
 		.mwdma_mask	= 0x07, /* mwdma0-2 */
@@ -559,8 +557,7 @@ static struct ata_port_info piix_port_in
 	/* ich7m_sata_ahci: 10 */
 	{
 		.sht		= &piix_sht,
-		.flags		= ATA_FLAG_SATA |
-				  PIIX_FLAG_CHECKINTR | PIIX_FLAG_SCR |
+		.flags		= PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
 				  PIIX_FLAG_AHCI,
 		.pio_mask	= 0x1f,	/* pio0-4 */
 		.mwdma_mask	= 0x07, /* mwdma0-2 */
@@ -571,8 +568,7 @@ static struct ata_port_info piix_port_in
 	/* ich8_sata_ahci: 11 */
 	{
 		.sht		= &piix_sht,
-		.flags		= ATA_FLAG_SATA |
-				  PIIX_FLAG_CHECKINTR | PIIX_FLAG_SCR |
+		.flags		= PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
 				  PIIX_FLAG_AHCI,
 		.pio_mask	= 0x1f,	/* pio0-4 */
 		.mwdma_mask	= 0x07, /* mwdma0-2 */
_