diff options
| -rw-r--r-- | drivers/ata/pata_ali.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c index 1432dc9d0ab..9434114b2ca 100644 --- a/drivers/ata/pata_ali.c +++ b/drivers/ata/pata_ali.c @@ -453,7 +453,9 @@ static void ali_init_chipset(struct pci_dev *pdev) /* Clear CD-ROM DMA write bit */ tmp &= 0x7F; /* Cable and UDMA */ - pci_write_config_byte(pdev, 0x4B, tmp | 0x09); + if (pdev->revision >= 0xc2) + tmp |= 0x01; + pci_write_config_byte(pdev, 0x4B, tmp | 0x08); /* * CD_ROM DMA on (0x53 bit 0). Enable this even if we want * to use PIO. 0x53 bit 1 (rev 20 only) - enable FIFO control |