ata_piix: kill unused constants and flags

Kill PIIX_FLAG_SCR, PIIX_PORT_ENABLED and PIIX_PORT_PRESENT.  These
are unused.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 7 insertions, 20 deletions

diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 2db635817edf..3183b3f38e49 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -102,19 +102,12 @@ enum {
         ICH5_PCS                = 0x92, /* port control and status */
         PIIX_SCC                = 0x0A, /* sub-class code register */
 
-        PIIX_FLAG_SCR           = (1 << 26), /* SCR available */
         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.
-         */
-        PIIX_PORT_ENABLED       = (1 << 0),
-        PIIX_PORT_PRESENT       = (1 << 4),
-
         PIIX_80C_PRI            = (1 << 5) | (1 << 4),
         PIIX_80C_SEC            = (1 << 7) | (1 << 6),
 
@@ -588,7 +581,7 @@ static struct ata_port_info piix_port_info[] = {
         [ich6_sata] =
         {
                 .sht            = &piix_sht,
-                .flags          = PIIX_SATA_FLAGS | PIIX_FLAG_SCR,
+                .flags          = PIIX_SATA_FLAGS,
                 .pio_mask       = 0x1f, /* pio0-4 */
                 .mwdma_mask     = 0x07, /* mwdma0-2 */
                 .udma_mask      = ATA_UDMA6,
@@ -598,8 +591,7 @@ static struct ata_port_info piix_port_info[] = {
         [ich6_sata_ahci] =
         {
                 .sht            = &piix_sht,
-                .flags          = PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
-                                  PIIX_FLAG_AHCI,
+                .flags          = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI,
                 .pio_mask       = 0x1f, /* pio0-4 */
                 .mwdma_mask     = 0x07, /* mwdma0-2 */
                 .udma_mask      = ATA_UDMA6,
@@ -609,8 +601,7 @@ static struct ata_port_info piix_port_info[] = {
         [ich6m_sata_ahci] =
         {
                 .sht            = &piix_sht,
-                .flags          = PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
-                                  PIIX_FLAG_AHCI,
+                .flags          = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI,
                 .pio_mask       = 0x1f, /* pio0-4 */
                 .mwdma_mask     = 0x07, /* mwdma0-2 */
                 .udma_mask      = ATA_UDMA6,
@@ -620,8 +611,7 @@ static struct ata_port_info piix_port_info[] = {
         [ich8_sata_ahci] =
         {
                 .sht            = &piix_sht,
-                .flags          = PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
-                                  PIIX_FLAG_AHCI,
+                .flags          = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI,
                 .pio_mask       = 0x1f, /* pio0-4 */
                 .mwdma_mask     = 0x07, /* mwdma0-2 */
                 .udma_mask      = ATA_UDMA6,
@@ -631,8 +621,7 @@ static struct ata_port_info piix_port_info[] = {
         [ich8_2port_sata] =
         {
                 .sht            = &piix_sht,
-                .flags          = PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
-                                  PIIX_FLAG_AHCI,
+                .flags          = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI,
                 .pio_mask       = 0x1f, /* pio0-4 */
                 .mwdma_mask     = 0x07, /* mwdma0-2 */
                 .udma_mask      = ATA_UDMA6,
@@ -642,8 +631,7 @@ static struct ata_port_info piix_port_info[] = {
         [tolapai_sata_ahci] =
         {
                 .sht            = &piix_sht,
-                .flags          = PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
-                                  PIIX_FLAG_AHCI,
+                .flags          = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI,
                 .pio_mask       = 0x1f, /* pio0-4 */
                 .mwdma_mask     = 0x07, /* mwdma0-2 */
                 .udma_mask      = ATA_UDMA6,
@@ -653,8 +641,7 @@ static struct ata_port_info piix_port_info[] = {
         [ich8m_apple_sata_ahci] =
         {
                 .sht            = &piix_sht,
-                .flags          = PIIX_SATA_FLAGS | PIIX_FLAG_SCR |
-                                  PIIX_FLAG_AHCI,
+                .flags          = PIIX_SATA_FLAGS | PIIX_FLAG_AHCI,
                 .pio_mask       = 0x1f, /* pio0-4 */
                 .mwdma_mask     = 0x07, /* mwdma0-2 */
                 .udma_mask      = ATA_UDMA6,