diff options
Diffstat (limited to 'drivers/ata/pata_efar.c')
| -rw-r--r-- | drivers/ata/pata_efar.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/ata/pata_efar.c b/drivers/ata/pata_efar.c index 2a6412f5d117..b2e71e6473ed 100644 --- a/drivers/ata/pata_efar.c +++ b/drivers/ata/pata_efar.c @@ -2,6 +2,7 @@ * pata_efar.c - EFAR PIIX clone controller driver * * (C) 2005 Red Hat + * (C) 2009 Bartlomiej Zolnierkiewicz * * Some parts based on ata_piix.c by Jeff Garzik and others. * @@ -118,12 +119,12 @@ static void efar_set_piomode (struct ata_port *ap, struct ata_device *adev) int shift = 4 * ap->port_no; u8 slave_data; - idetm_data &= 0xCC0F; + idetm_data &= 0xFF0F; idetm_data |= (control << 4); /* Slave timing in separate register */ pci_read_config_byte(dev, 0x44, &slave_data); - slave_data &= 0x0F << shift; + slave_data &= ap->port_no ? 0x0F : 0xF0; slave_data |= ((timings[pio][0] << 2) | timings[pio][1]) << shift; pci_write_config_byte(dev, 0x44, slave_data); } @@ -200,7 +201,7 @@ static void efar_set_dmamode (struct ata_port *ap, struct ata_device *adev) master_data &= 0xFF4F; /* Mask out IORDY|TIME1|DMAONLY */ master_data |= control << 4; pci_read_config_byte(dev, 0x44, &slave_data); - slave_data &= (0x0F + 0xE1 * ap->port_no); + slave_data &= ap->port_no ? 0x0F : 0xF0; /* Load the matching timing */ slave_data |= ((timings[pio][0] << 2) | timings[pio][1]) << (ap->port_no ? 4 : 0); pci_write_config_byte(dev, 0x44, slave_data); @@ -251,7 +252,7 @@ static int efar_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) 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_UDMA4, .port_ops = &efar_ops, }; |