Messages in this thread Patch in this message | | | From | Bartlomiej Zolnierkiewicz <> | Date | Wed, 25 Nov 2009 18:02:25 +0100 | Subject | [PATCH 01/86] ata_piix: fix MWDMA handling on PIIX3 |
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From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Subject: [PATCH] ata_piix: fix MWDMA handling on PIIX3
Fix erroneous check for ap->udma_mask in do_pata_set_dmamode() resulting in controller not being programmed properly for MWDMA.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> --- drivers/ata/ata_piix.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
Index: b/drivers/ata/ata_piix.c =================================================================== --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -869,10 +869,10 @@ static void do_pata_set_dmamode(struct a (timings[pio][1] << 8); } - if (ap->udma_mask) { + if (ap->udma_mask) udma_enable &= ~(1 << devid); - pci_write_config_word(dev, master_port, master_data); - } + + pci_write_config_word(dev, master_port, master_data); } /* Don't scribble on 0x48 if the controller does not support UDMA */ if (ap->udma_mask)
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