From 6938594374ee506e91a4c03117a034ea0ed66783 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Thu, 3 Dec 2009 20:32:08 +0100 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 Signed-off-by: Jeff Garzik --- drivers/ata/ata_piix.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 9ac4e378992e..0c6155f51173 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -869,10 +869,10 @@ static void do_pata_set_dmamode(struct ata_port *ap, struct ata_device *adev, in (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) -- GitLab