amd74xx/via82cxxx: check ide_config_drive_speed() return value

* Check ide_config_drive_speed() return value.

* While at also call ide_config_drive_speed() if the transfer mode is
  XFER_PIO_SLOW (this case happens iff the transfer mode has already been
  set on the device by ide-proc.c::set_xfer_rate()) and remove redundant
  setting of ->{init,current}_speed.

* Bump driver version.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c
index 378feb4..ac094e5 100644
--- a/drivers/ide/pci/via82cxxx.c
+++ b/drivers/ide/pci/via82cxxx.c
@@ -1,6 +1,6 @@
 /*
  *
- * Version 3.48
+ * Version 3.49
  *
  * VIA IDE driver for Linux. Supported southbridges:
  *
@@ -165,8 +165,8 @@
 	struct ide_timing t, p;
 	unsigned int T, UT;
 
-	if (speed != XFER_PIO_SLOW)
-		ide_config_drive_speed(drive, speed);
+	if (ide_config_drive_speed(drive, speed))
+		return 1;
 
 	T = 1000000000 / via_clock;
 
@@ -187,10 +187,6 @@
 
 	via_set_speed(HWIF(drive), drive->dn, &t);
 
-	if (!drive->init_speed)
-		drive->init_speed = speed;
-	drive->current_speed = speed;
-
 	return 0;
 }