diff options
Diffstat (limited to 'drivers/ide/pci/slc90e66.c')
| -rw-r--r-- | drivers/ide/pci/slc90e66.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/ide/pci/slc90e66.c b/drivers/ide/pci/slc90e66.c index 4a1853af3bbb..9be7e49cba0e 100644 --- a/drivers/ide/pci/slc90e66.c +++ b/drivers/ide/pci/slc90e66.c @@ -1,9 +1,10 @@ /* - * linux/drivers/ide/pci/slc90e66.c Version 0.11 September 11, 2002 + * linux/drivers/ide/pci/slc90e66.c Version 0.12 May 12, 2006 * * Copyright (C) 2000-2002 Andre Hedrick <andre@linux-ide.org> + * Copyright (C) 2006 MontaVista Software, Inc. <source@mvista.com> * - * This a look-a-like variation of the ICH0 PIIX4 Ultra-66, + * This is a look-alike variation of the ICH0 PIIX4 Ultra-66, * but this keeps the ISA-Bridge and slots alive. * */ @@ -158,10 +159,8 @@ static int slc90e66_config_drive_for_dma (ide_drive_t *drive) { u8 speed = ide_dma_speed(drive, slc90e66_ratemask(drive)); - if (!(speed)) { - u8 tspeed = ide_get_best_pio_mode(drive, 255, 5, NULL); - speed = slc90e66_dma_2_pio(XFER_PIO_0 + tspeed); - } + if (!speed) + return 0; (void) slc90e66_tune_chipset(drive, speed); return ide_dma_enable(drive); @@ -176,16 +175,15 @@ static int slc90e66_config_drive_xfer_rate (ide_drive_t *drive) if (id && (id->capability & 1) && drive->autodma) { - if (ide_use_dma(drive)) { - if (slc90e66_config_drive_for_dma(drive)) - return hwif->ide_dma_on(drive); - } + if (ide_use_dma(drive) && slc90e66_config_drive_for_dma(drive)) + return hwif->ide_dma_on(drive); goto fast_ata_pio; } else if ((id->capability & 8) || (id->field_valid & 2)) { fast_ata_pio: - hwif->tuneproc(drive, 5); + (void) hwif->speedproc(drive, XFER_PIO_0 + + ide_get_best_pio_mode(drive, 255, 4, NULL)); return hwif->ide_dma_off_quietly(drive); } /* IORDY not supported */ |