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| author |   Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-12-03 20:32:10 +0100 |
|---|---|---|
| committer |   Jeff Garzik <jgarzik@redhat.com> | 2009-12-03 15:59:25 -0500 |
| commit | e0ee792b75a5cf1b23acfeae7ce3c386f805b20b (patch) | |
| tree | 0e1e4fdf99fa73c5c23e23471ab5ea4a26fd06fc /drivers/ata | |
| parent | pata_hpt3x3: Power Management fix (diff) | |
| download | linux-dev-e0ee792b75a5cf1b23acfeae7ce3c386f805b20b.tar.xz linux-dev-e0ee792b75a5cf1b23acfeae7ce3c386f805b20b.zip | |
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>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/pata_it8213.c | 4 |
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 */ |