[PATCH] libata: remove postreset handling from ata_do_reset()

Make ata_do_reset() deal only with reset.  postreset is now the
responsibility of the caller.  This is simpler and eases later
prereset addition.

Signed-off-by: Tejun Heo <htejun@gmail.com>

2 files changed, 11 insertions, 10 deletions

diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 1efe8a1ba81d..19ae3fa1cfcb 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -2585,7 +2585,7 @@ int ata_std_probe_reset(struct ata_port *ap, unsigned int *classes)
 }
 
 int ata_do_reset(struct ata_port *ap, ata_reset_fn_t reset,
-                 ata_postreset_fn_t postreset, unsigned int *classes)
+                 unsigned int *classes)
 {
         int i, rc;
 
@@ -2609,9 +2609,6 @@ int ata_do_reset(struct ata_port *ap, ata_reset_fn_t reset,
                         if (classes[i] == ATA_DEV_UNKNOWN)
                                 classes[i] = ATA_DEV_NONE;
 
-        if (postreset)
-                postreset(ap, classes);
-
         return 0;
 }
 
@@ -2655,7 +2652,7 @@ int ata_drive_probe_reset(struct ata_port *ap, ata_probeinit_fn_t probeinit,
                 probeinit(ap);
 
         if (softreset && !sata_set_spd_needed(ap)) {
-                rc = ata_do_reset(ap, softreset, postreset, classes);
+                rc = ata_do_reset(ap, softreset, classes);
                 if (rc == 0 && classes[0] != ATA_DEV_UNKNOWN)
                         goto done;
                 printk(KERN_INFO "ata%u: softreset failed, will try "
@@ -2667,7 +2664,7 @@ int ata_drive_probe_reset(struct ata_port *ap, ata_probeinit_fn_t probeinit,
                 goto done;
 
         while (1) {
-                rc = ata_do_reset(ap, hardreset, postreset, classes);
+                rc = ata_do_reset(ap, hardreset, classes);
                 if (rc == 0) {
                         if (classes[0] != ATA_DEV_UNKNOWN)
                                 goto done;
@@ -2688,12 +2685,16 @@ int ata_drive_probe_reset(struct ata_port *ap, ata_probeinit_fn_t probeinit,
                        ap->id);
                 ssleep(5);
 
-                rc = ata_do_reset(ap, softreset, postreset, classes);
+                rc = ata_do_reset(ap, softreset, classes);
         }
 
  done:
-        if (rc == 0 && classes[0] == ATA_DEV_UNKNOWN)
-                rc = -ENODEV;
+        if (rc == 0) {
+                if (postreset)
+                        postreset(ap, classes);
+                if (classes[0] == ATA_DEV_UNKNOWN)
+                        rc = -ENODEV;
+        }
         return rc;
 }
 
diff --git a/drivers/scsi/libata.h b/drivers/scsi/libata.h
index 26975df9a3fc..6442c2f1a80c 100644
--- a/drivers/scsi/libata.h
+++ b/drivers/scsi/libata.h
@@ -57,7 +57,7 @@ extern int ata_down_xfermask_limit(struct ata_port *ap, struct ata_device *dev,
                                    int force_pio0);
 extern int ata_set_mode(struct ata_port *ap, struct ata_device **r_failed_dev);
 extern int ata_do_reset(struct ata_port *ap, ata_reset_fn_t reset,
-                        ata_postreset_fn_t postreset, unsigned int *classes);
+                        unsigned int *classes);
 extern void ata_qc_free(struct ata_queued_cmd *qc);
 extern void ata_qc_issue(struct ata_queued_cmd *qc);
 extern int ata_check_atapi_dma(struct ata_queued_cmd *qc);