From: Tejun Heo Date: Tue, 9 Dec 2008 08:14:04 +0000 (+0900) Subject: pata_hpt366: no ATAPI DMA X-Git-Tag: v2.6.28-rc9~13^2 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=3ee89f177e3cef0b5b024bcb6df683a3fa7d795f;p=linux-2.6-omap-h63xx.git pata_hpt366: no ATAPI DMA IDE hpt366 driver doesn't allow DMA for ATAPI devices and MWDMA2 on ATAPI device locks up pata_hpt366. Follow the suit. Signed-off-by: Tejun Heo Signed-off-by: Jeff Garzik --- diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c index 4824821745a..e0c4f05d7d5 100644 --- a/drivers/ata/pata_hpt366.c +++ b/drivers/ata/pata_hpt366.c @@ -183,7 +183,9 @@ static unsigned long hpt366_filter(struct ata_device *adev, unsigned long mask) mask &= ~(0xF8 << ATA_SHIFT_UDMA); if (hpt_dma_blacklisted(adev, "UDMA4", bad_ata66_4)) mask &= ~(0xF0 << ATA_SHIFT_UDMA); - } + } else if (adev->class == ATA_DEV_ATAPI) + mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA); + return ata_bmdma_mode_filter(adev, mask); }