AcoSail/kernel_optimize_test
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ata/sata_fsl: Remove unnecessary SCR cases

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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>
This commit is contained in:
Jeff Garzik 2007-10-31 19:27:57 +08:00
parent a2962dd096
commit 9465d53248
1 changed files with 2 additions and 14 deletions
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16
drivers/ata/sata_fsl.c
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@ -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;