From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: [PATCH 01/86] ata_piix: fix MWDMA handling on PIIX3 Date: Wed, 25 Nov 2009 18:02:25 +0100 Message-ID: <20091125170225.5446.50868.sendpatchset@localhost> References: <20091125170218.5446.13513.sendpatchset@localhost> Return-path: Received: from mail-ew0-f219.google.com ([209.85.219.219]:52887 "EHLO mail-ew0-f219.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754295AbZKYRDD (ORCPT ); Wed, 25 Nov 2009 12:03:03 -0500 In-Reply-To: <20091125170218.5446.13513.sendpatchset@localhost> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: linux-ide@vger.kernel.org Cc: Bartlomiej Zolnierkiewicz , linux-kernel@vger.kernel.org From: Bartlomiej Zolnierkiewicz 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 --- 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)