[PATCH] libata: convert do_probe_reset() to ata_do_reset()

Make do_probe_reset() generic by pushing classification check into
ata_drive_probe_reset() and rename it to ata_do_reset().  This will be
used by EH reset.

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

diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 6a336ba..559abe4 100644 (file)
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -2371,16 +2371,16 @@ int ata_std_probe_reset(struct ata_port *ap, unsigned int *classes)
                                     ata_std_postreset, classes);
 }
 
-static int do_probe_reset(struct ata_port *ap, ata_reset_fn_t reset,
-                         ata_postreset_fn_t postreset,
-                         unsigned int *classes)
+static int ata_do_reset(struct ata_port *ap,
+                       ata_reset_fn_t reset, ata_postreset_fn_t postreset,
+                       int verbose, unsigned int *classes)
 {
        int i, rc;
 
        for (i = 0; i < ATA_MAX_DEVICES; i++)
                classes[i] = ATA_DEV_UNKNOWN;
 
-       rc = reset(ap, 0, classes);
+       rc = reset(ap, verbose, classes);
        if (rc)
                return rc;
 
@@ -2400,7 +2400,7 @@ static int do_probe_reset(struct ata_port *ap, ata_reset_fn_t reset,
        if (postreset)
                postreset(ap, classes);
 
-       return classes[0] != ATA_DEV_UNKNOWN ? 0 : -ENODEV;
+       return 0;
 }
 
 /**
@@ -2445,21 +2445,24 @@ int ata_drive_probe_reset(struct ata_port *ap, ata_probeinit_fn_t probeinit,
                probeinit(ap);
 
        if (softreset) {
-               rc = do_probe_reset(ap, softreset, postreset, classes);
-               if (rc == 0)
-                       return 0;
+               rc = ata_do_reset(ap, softreset, postreset, 0, classes);
+               if (rc == 0 && classes[0] != ATA_DEV_UNKNOWN)
+                       goto done;
        }
 
        if (!hardreset)
-               return rc;
+               goto done;
 
-       rc = do_probe_reset(ap, hardreset, postreset, classes);
-       if (rc == 0 || rc != -ENODEV)
-               return rc;
+       rc = ata_do_reset(ap, hardreset, postreset, 0, classes);
+       if (rc || classes[0] != ATA_DEV_UNKNOWN)
+               goto done;
 
        if (softreset)
-               rc = do_probe_reset(ap, softreset, postreset, classes);
+               rc = ata_do_reset(ap, softreset, postreset, 0, classes);
 
+ done:
+       if (rc == 0 && classes[0] == ATA_DEV_UNKNOWN)
+               rc = -ENODEV;
        return rc;
 }