[PATCH] sata_sil: cosmetic flag/constant changes

Collect common host flags into SIL_DFL_HOST_FLAGS and add comments to
constants.

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

diff --git a/drivers/scsi/sata_sil.c b/drivers/scsi/sata_sil.c
index 81bdc10a6e957b446ce5fcdc3efa4dbd77d6b54d..4f2a67ed39d87bd765b3e69ddfbbe59a158ea909 100644 (file)
--- a/drivers/scsi/sata_sil.c
+++ b/drivers/scsi/sata_sil.c
@@ -49,14 +49,30 @@
 #define DRV_VERSION    "0.9"
 
 enum {
+       /*
+        * host flags
+        */
        SIL_FLAG_RERR_ON_DMA_ACT = (1 << 29),
        SIL_FLAG_MOD15WRITE     = (1 << 30),
+       SIL_DFL_HOST_FLAGS      = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
+                                 ATA_FLAG_MMIO,
 
+       /*
+        * Controller IDs
+        */
        sil_3112                = 0,
        sil_3512                = 1,
        sil_3114                = 2,
 
+       /*
+        * Register offsets
+        */
        SIL_SYSCFG              = 0x48,
+
+       /*
+        * Register bits
+        */
+       /* SYSCFG */
        SIL_MASK_IDE0_INT       = (1 << 22),
        SIL_MASK_IDE1_INT       = (1 << 23),
        SIL_MASK_IDE2_INT       = (1 << 24),
@@ -65,7 +81,12 @@ enum {
        SIL_MASK_4PORT          = SIL_MASK_2PORT |
                                  SIL_MASK_IDE2_INT | SIL_MASK_IDE3_INT,
 
+       /* BMDMA/BMDMA2 */
        SIL_INTR_STEERING       = (1 << 1),
+
+       /*
+        * Others
+        */
        SIL_QUIRK_MOD15WRITE    = (1 << 0),
        SIL_QUIRK_UDMA5MAX      = (1 << 1),
 };
@@ -169,8 +190,7 @@ static const struct ata_port_info sil_port_info[] = {
        /* sil_3112 */
        {
                .sht            = &sil_sht,
-               .host_flags     = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                 ATA_FLAG_MMIO | SIL_FLAG_MOD15WRITE,
+               .host_flags     = SIL_DFL_HOST_FLAGS | SIL_FLAG_MOD15WRITE,
                .pio_mask       = 0x1f,                 /* pio0-4 */
                .mwdma_mask     = 0x07,                 /* mwdma0-2 */
                .udma_mask      = 0x3f,                 /* udma0-5 */
@@ -179,9 +199,7 @@ static const struct ata_port_info sil_port_info[] = {
        /* sil_3512 */
        {
                .sht            = &sil_sht,
-               .host_flags     = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                 ATA_FLAG_MMIO |
-                                 SIL_FLAG_RERR_ON_DMA_ACT,
+               .host_flags     = SIL_DFL_HOST_FLAGS | SIL_FLAG_RERR_ON_DMA_ACT,
                .pio_mask       = 0x1f,                 /* pio0-4 */
                .mwdma_mask     = 0x07,                 /* mwdma0-2 */
                .udma_mask      = 0x3f,                 /* udma0-5 */
@@ -190,9 +208,7 @@ static const struct ata_port_info sil_port_info[] = {
        /* sil_3114 */
        {
                .sht            = &sil_sht,
-               .host_flags     = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                 ATA_FLAG_MMIO |
-                                 SIL_FLAG_RERR_ON_DMA_ACT,
+               .host_flags     = SIL_DFL_HOST_FLAGS | SIL_FLAG_RERR_ON_DMA_ACT,
                .pio_mask       = 0x1f,                 /* pio0-4 */
                .mwdma_mask     = 0x07,                 /* mwdma0-2 */
                .udma_mask      = 0x3f,                 /* udma0-5 */