[PATCH] ahci: add HOST_CAP_NCQ constant

Add HOST_CAP_NCQ.

Signed-off-by: Tejun Heo <htejun@gmail.com>

diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index b25373f..740e7d8 100644 (file)
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -93,6 +93,7 @@ enum {
 
        /* HOST_CAP bits */
        HOST_CAP_CLO            = (1 << 24), /* Command List Override support */
+       HOST_CAP_NCQ            = (1 << 30), /* Native Command Queueing */
        HOST_CAP_64             = (1 << 31), /* PCI DAC (64-bit DMA) support */
 
        /* registers for each SATA port */