From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: [PATCH 63/86] pata_radisys: fix UDMA handling Date: Wed, 25 Nov 2009 18:09:55 +0100 Message-ID: <20091125170955.5446.92093.sendpatchset@localhost> References: <20091125170218.5446.13513.sendpatchset@localhost> Return-path: In-Reply-To: <20091125170218.5446.13513.sendpatchset@localhost> Sender: linux-kernel-owner@vger.kernel.org To: linux-ide@vger.kernel.org Cc: Bartlomiej Zolnierkiewicz , linux-kernel@vger.kernel.org List-Id: linux-ide@vger.kernel.org From: Bartlomiej Zolnierkiewicz Subject: [PATCH] pata_radisys: fix UDMA handling Set correct bits to switch between UDMA2 and UDMA4. Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ata/pata_radisys.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Index: b/drivers/ata/pata_radisys.c =================================================================== --- a/drivers/ata/pata_radisys.c +++ b/drivers/ata/pata_radisys.c @@ -139,9 +139,9 @@ static void radisys_set_dmamode (struct pci_read_config_byte(dev, 0x4A, &udma_mode); if (adev->xfer_mode == XFER_UDMA_2) - udma_mode &= ~ (1 << adev->devno); + udma_mode &= ~(2 << (adev->devno * 4)); else /* UDMA 4 */ - udma_mode |= (1 << adev->devno); + udma_mode |= (2 << (adev->devno * 4)); pci_write_config_byte(dev, 0x4A, udma_mode);