From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: [PATCH] pata_it8213: MWDMA0 is unsupported Date: Thu, 26 Nov 2009 17:28:36 +0100 Message-ID: <200911261728.36433.bzolnier@gmail.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from ey-out-2122.google.com ([74.125.78.26]:52387 "EHLO ey-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755151AbZKZQat (ORCPT ); Thu, 26 Nov 2009 11:30:49 -0500 Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org MWDMA0 timings cannot be met with the PIIX based controller programming interface. This change should be safe as this is how we have been doing things in IDE it8213 host driver for years. Signed-off-by: Bartlomiej Zolnierkiewicz --- Verified with the documentation (similar case as with pata_efar). On top of patches from yesterday. drivers/ata/pata_it8213.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: b/drivers/ata/pata_it8213.c =================================================================== --- a/drivers/ata/pata_it8213.c +++ b/drivers/ata/pata_it8213.c @@ -227,7 +227,7 @@ static int it8213_init_one (struct pci_d static const struct ata_port_info info = { .flags = ATA_FLAG_SLAVE_POSS, .pio_mask = ATA_PIO4, - .mwdma_mask = ATA_MWDMA2, + .mwdma_mask = ATA_MWDMA12_ONLY, .udma_mask = ATA_UDMA6, .port_ops = &it8213_ops, };