summaryrefslogtreecommitdiffstats
path: root/drivers/ata/libata-core.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ata/libata-core.c')
-rw-r--r--drivers/ata/libata-core.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index ecbc3278238a..5718c247e23a 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5732,10 +5732,8 @@ int sata_scr_valid(struct ata_port *ap)
*/
int sata_scr_read(struct ata_port *ap, int reg, u32 *val)
{
- if (sata_scr_valid(ap)) {
- *val = ap->ops->scr_read(ap, reg);
- return 0;
- }
+ if (sata_scr_valid(ap))
+ return ap->ops->scr_read(ap, reg, val);
return -EOPNOTSUPP;
}
@@ -5757,10 +5755,8 @@ int sata_scr_read(struct ata_port *ap, int reg, u32 *val)
*/
int sata_scr_write(struct ata_port *ap, int reg, u32 val)
{
- if (sata_scr_valid(ap)) {
- ap->ops->scr_write(ap, reg, val);
- return 0;
- }
+ if (sata_scr_valid(ap))
+ return ap->ops->scr_write(ap, reg, val);
return -EOPNOTSUPP;
}
@@ -5781,10 +5777,13 @@ int sata_scr_write(struct ata_port *ap, int reg, u32 val)
*/
int sata_scr_write_flush(struct ata_port *ap, int reg, u32 val)
{
+ int rc;
+
if (sata_scr_valid(ap)) {
- ap->ops->scr_write(ap, reg, val);
- ap->ops->scr_read(ap, reg);
- return 0;
+ rc = ap->ops->scr_write(ap, reg, val);
+ if (rc == 0)
+ rc = ap->ops->scr_read(ap, reg, &val);
+ return rc;
}
return -EOPNOTSUPP;
}