[PATCH] sata_nv: simplify constants

Simplify interrupt constants and make NFORCE3 equal to NFORCE2.

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

1 files changed, 12 insertions, 19 deletions

diff --git a/drivers/scsi/sata_nv.c b/drivers/scsi/sata_nv.c
index e9c4547723c8..1cb7b44cb660 100644
--- a/drivers/scsi/sata_nv.c
+++ b/drivers/scsi/sata_nv.c
@@ -54,28 +54,21 @@ enum {
         NV_PORT0_SCR_REG_OFFSET         = 0x00,
         NV_PORT1_SCR_REG_OFFSET         = 0x40,
 
+        /* INT_STATUS/ENABLE */
         NV_INT_STATUS                   = 0x10,
-        NV_INT_STATUS_CK804             = 0x440,
-        NV_INT_STATUS_PDEV_INT          = 0x01,
-        NV_INT_STATUS_PDEV_PM           = 0x02,
-        NV_INT_STATUS_PDEV_ADDED        = 0x04,
-        NV_INT_STATUS_PDEV_REMOVED      = 0x08,
-        NV_INT_STATUS_SDEV_INT          = 0x10,
-        NV_INT_STATUS_SDEV_PM           = 0x20,
-        NV_INT_STATUS_SDEV_ADDED        = 0x40,
-        NV_INT_STATUS_SDEV_REMOVED      = 0x80,
-
         NV_INT_ENABLE                   = 0x11,
+        NV_INT_STATUS_CK804             = 0x440,
         NV_INT_ENABLE_CK804             = 0x441,
-        NV_INT_ENABLE_PDEV_MASK         = 0x01,
-        NV_INT_ENABLE_PDEV_PM           = 0x02,
-        NV_INT_ENABLE_PDEV_ADDED        = 0x04,
-        NV_INT_ENABLE_PDEV_REMOVED      = 0x08,
-        NV_INT_ENABLE_SDEV_MASK         = 0x10,
-        NV_INT_ENABLE_SDEV_PM           = 0x20,
-        NV_INT_ENABLE_SDEV_ADDED        = 0x40,
-        NV_INT_ENABLE_SDEV_REMOVED      = 0x80,
 
+        /* INT_STATUS/ENABLE bits */
+        NV_INT_DEV                      = 0x01,
+        NV_INT_PM                       = 0x02,
+        NV_INT_ADDED                    = 0x04,
+        NV_INT_REMOVED                  = 0x08,
+
+        NV_INT_PORT_SHIFT               = 4,    /* each port occupies 4 bits */
+
+        /* INT_CONFIG */
         NV_INT_CONFIG                   = 0x12,
         NV_INT_CONFIG_METHD             = 0x01, // 0 = INT, 1 = SMI
 
@@ -94,7 +87,7 @@ enum nv_host_type
 {
         GENERIC,
         NFORCE2,
-        NFORCE3,
+        NFORCE3 = NFORCE2,      /* NF2 == NF3 as far as sata_nv is concerned */
         CK804
 };