From 3608b5d71a52c053787dbad6af20c25f7e0b75a9 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Sat, 17 Feb 2007 02:40:26 +0100 Subject: ide: add ide_set_dma() helper (v2) * add ide_set_dma() helper and make ide_hwif_t.ide_dma_check return -1 when DMA needs to be disabled (== need to call ->ide_dma_off_quietly) 0 when DMA needs to be enabled (== need to call ->ide_dma_on) 1 when DMA setting shouldn't be changed * fix IDE code to use ide_set_dma() instead if using ->ide_dma_check directly v2: * updated for scc_pata Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/pci/tc86c001.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'drivers/ide/pci/tc86c001.c') diff --git a/drivers/ide/pci/tc86c001.c b/drivers/ide/pci/tc86c001.c index 3703fc87d150..0b6d81d6ce48 100644 --- a/drivers/ide/pci/tc86c001.c +++ b/drivers/ide/pci/tc86c001.c @@ -185,15 +185,13 @@ static int config_chipset_for_dma(ide_drive_t *drive) static int tc86c001_config_drive_xfer_rate(ide_drive_t *drive) { - ide_hwif_t *hwif = HWIF(drive); - if (ide_use_dma(drive) && config_chipset_for_dma(drive)) - return hwif->ide_dma_on(drive); + return 0; if (ide_use_fast_pio(drive)) tc86c001_tune_drive(drive, 255); - return hwif->ide_dma_off_quietly(drive); + return -1; } static void __devinit init_hwif_tc86c001(ide_hwif_t *hwif) -- cgit v1.2.3