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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>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2007-08-01 23:46:46 +02:00
parent 68aaf81503
commit 8b6b33be32
1 changed files with 4 additions and 17 deletions
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21
drivers/ide/pci/jmicron.c
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@ -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;
}