SWDMA modes are unsupported by it821x. Attempts to tune SWDMA modes always fail (due to sanity check in ->speedproc) and result in PIO being tuned. * Fix incorrect SWDMA mask so core code won't try these modes and will just tune PIO if no other DMA modes are available. * Bump driver version. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx> --- for 2.6.22-final drivers/ide/pci/it821x.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) Index: b/drivers/ide/pci/it821x.c =================================================================== --- a/drivers/ide/pci/it821x.c +++ b/drivers/ide/pci/it821x.c @@ -1,6 +1,6 @@ /* - * linux/drivers/ide/pci/it821x.c Version 0.15 Jun 2 2007 + * linux/drivers/ide/pci/it821x.c Version 0.16 Jul 3 2007 * * Copyright (C) 2004 Red Hat <alan@xxxxxxxxxx> * Copyright (C) 2007 Bartlomiej Zolnierkiewicz @@ -660,7 +660,6 @@ static void __devinit init_hwif_it821x(i hwif->ultra_mask = 0x7f; hwif->mwdma_mask = 0x07; - hwif->swdma_mask = 0x07; hwif->ide_dma_check = &it821x_config_drive_for_dma; if (!(hwif->udma_four)) - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
