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authorBartlomiej Zolnierkiewicz2009-12-03 20:32:10 +0100
committerJeff Garzik2009-12-03 15:59:25 -0500
commite0ee792b75a5cf1b23acfeae7ce3c386f805b20b (patch)
tree0e1e4fdf99fa73c5c23e23471ab5ea4a26fd06fc
parent3915044468217d9c224b824c308e4d112666f58d (diff)
pata_it8213: fix UDMA handling
Driver should program the cycle timing not the mode number (doing the latter results in wrong timings being used). There shouldn't be any problems with it as IDE it8213 host driver has been doing it this way for years. Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
-rw-r--r--drivers/ata/pata_it8213.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/ata/pata_it8213.c b/drivers/ata/pata_it8213.c
index f156da8076f7..36d1f61491df 100644
--- a/drivers/ata/pata_it8213.c
+++ b/drivers/ata/pata_it8213.c
@@ -173,10 +173,10 @@ static void it8213_set_dmamode (struct ata_port *ap, struct ata_device *adev)
udma_enable |= (1 << devid);
- /* Load the UDMA mode number */
+ /* Load the UDMA cycle time */
pci_read_config_word(dev, 0x4A, &udma_timing);
udma_timing &= ~(3 << (4 * devid));
- udma_timing |= (udma & 3) << (4 * devid);
+ udma_timing |= u_speed << (4 * devid);
pci_write_config_word(dev, 0x4A, udma_timing);
/* Load the clock selection */