[PATCH] ata_piix: add a couple of flags
Add PIIX_FLAG_IGN_PRESENT and SCR flags. Thi patch doesn't cause any
functional change. To be used by later init/scr updates.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/scsi/ata_piix.c b/drivers/scsi/ata_piix.c
index 5988d5f..987a7cc 100644
--- a/drivers/scsi/ata_piix.c
+++ b/drivers/scsi/ata_piix.c
@@ -101,6 +101,8 @@
ICH5_PCS = 0x92, /* port control and status */
PIIX_SCC = 0x0A, /* sub-class code register */
+ PIIX_FLAG_IGN_PRESENT = (1 << 25), /* ignore PCS present bits */
+ 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_FLAG_COMBINED = (1 << 29), /* combined mode possible */
@@ -314,7 +316,7 @@
{
.sht = &piix_sht,
.host_flags = ATA_FLAG_SATA | PIIX_FLAG_COMBINED |
- PIIX_FLAG_CHECKINTR,
+ PIIX_FLAG_CHECKINTR | PIIX_FLAG_IGN_PRESENT,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = 0x7f, /* udma0-6 */
@@ -325,7 +327,8 @@
{
.sht = &piix_sht,
.host_flags = ATA_FLAG_SATA | PIIX_FLAG_COMBINED_ICH6 |
- PIIX_FLAG_CHECKINTR | ATA_FLAG_SLAVE_POSS,
+ PIIX_FLAG_CHECKINTR | ATA_FLAG_SLAVE_POSS |
+ PIIX_FLAG_SCR,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = 0x7f, /* udma0-6 */
@@ -337,7 +340,7 @@
.sht = &piix_sht,
.host_flags = ATA_FLAG_SATA | PIIX_FLAG_COMBINED_ICH6 |
PIIX_FLAG_CHECKINTR | ATA_FLAG_SLAVE_POSS |
- PIIX_FLAG_AHCI,
+ PIIX_FLAG_SCR | PIIX_FLAG_AHCI,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = 0x7f, /* udma0-6 */
@@ -349,7 +352,7 @@
.sht = &piix_sht,
.host_flags = ATA_FLAG_SATA | PIIX_FLAG_COMBINED_ICH6 |
PIIX_FLAG_CHECKINTR | ATA_FLAG_SLAVE_POSS |
- PIIX_FLAG_AHCI,
+ PIIX_FLAG_SCR | PIIX_FLAG_AHCI,
.pio_mask = 0x1f, /* pio0-4 */
.mwdma_mask = 0x07, /* mwdma0-2 */
.udma_mask = 0x7f, /* udma0-6 */