ata/sata_fsl: Remove unnecessary SCR cases

SCRs in the driver map to the standard values found in include/linux/ata.h,
so no need for individual scr_read/scr_write case statements duplicating
the natural value.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Li Yang <leoli@freescale.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 2 insertions, 14 deletions

diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index 9e99cc88340..e04fb75e58f 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -472,16 +472,10 @@ static int sata_fsl_scr_write(struct ata_port *ap, unsigned int sc_reg_in,
 
         switch (sc_reg_in) {
         case SCR_STATUS:
-                sc_reg = 0;
-                break;
         case SCR_ERROR:
-                sc_reg = 1;
-                break;
         case SCR_CONTROL:
-                sc_reg = 2;
-                break;
         case SCR_ACTIVE:
-                sc_reg = 3;
+                sc_reg = sc_reg_in;
                 break;
         default:
                 return -EINVAL;
@@ -502,16 +496,10 @@ static int sata_fsl_scr_read(struct ata_port *ap, unsigned int sc_reg_in,
 
         switch (sc_reg_in) {
         case SCR_STATUS:
-                sc_reg = 0;
-                break;
         case SCR_ERROR:
-                sc_reg = 1;
-                break;
         case SCR_CONTROL:
-                sc_reg = 2;
-                break;
         case SCR_ACTIVE:
-                sc_reg = 3;
+                sc_reg = sc_reg_in;
                 break;
         default:
                 return -EINVAL;