jmicron: PIO fixes

* Set transfer mode on the device in jmicron_tuneproc(),
  also add pio == 255 == "auto-tune" handling.

* Use jmicron_tuneproc() in jmicron_config_drive_for_dma().

* Remove no longer needed config_jmicron_chipset_for_pio().

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 4 insertions, 17 deletions

diff --git a/drivers/ide/pci/jmicron.c b/drivers/ide/pci/jmicron.c
index d7ce9dd8de1..65a0ff352b9 100644
--- a/drivers/ide/pci/jmicron.c
+++ b/drivers/ide/pci/jmicron.c
@@ -83,23 +83,10 @@ static u8 __devinit ata66_jmicron(ide_hwif_t *hwif)
         return ATA_CBL_PATA80;
 }
 
-static void jmicron_tuneproc (ide_drive_t *drive, byte mode_wanted)
+static void jmicron_tuneproc(ide_drive_t *drive, u8 pio)
 {
-        return;
-}
-
-/**
- *      config_jmicron_chipset_for_pio  -       set drive timings
- *      @drive: drive to tune
- *      @speed we want
- *
- */
-
-static void config_jmicron_chipset_for_pio (ide_drive_t *drive, byte set_speed)
-{
-        u8 speed = XFER_PIO_0 + ide_get_best_pio_mode(drive, 255, 5);
-        if (set_speed)
-                (void) ide_config_drive_speed(drive, speed);
+        pio = ide_get_best_pio_mode(drive, pio, 5);
+        ide_config_drive_speed(drive, XFER_PIO_0 + pio);
 }
 
 /**
@@ -132,7 +119,7 @@ static int jmicron_config_drive_for_dma (ide_drive_t *drive)
         if (ide_tune_dma(drive))
                 return 0;
 
-        config_jmicron_chipset_for_pio(drive, 1);
+        jmicron_tuneproc(drive, 255);
 
         return -1;
 }