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path: root/drivers/ata/pata_efar.c
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Diffstat (limited to 'drivers/ata/pata_efar.c')
-rw-r--r--drivers/ata/pata_efar.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/ata/pata_efar.c b/drivers/ata/pata_efar.c
index 2a6412f5d11..b2e71e6473e 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,
};