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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 16:01:39 -0500 |
| commit | e3f1d5cd114dad010376c78e5c8eb8c5fe114f80 (patch) | |
| tree | b7c8185fc6ee1a64c34bbef25110ceda3b22df44 /drivers/ata/pata_it8213.c | |
| parent | ed869ff0c70d482de0dc97c3138ff42cbf87aed5 (diff) | |
| download | kernel_samsung_smdk4412-e3f1d5cd114dad010376c78e5c8eb8c5fe114f80.zip kernel_samsung_smdk4412-e3f1d5cd114dad010376c78e5c8eb8c5fe114f80.tar.gz kernel_samsung_smdk4412-e3f1d5cd114dad010376c78e5c8eb8c5fe114f80.tar.bz2 | |
pata_it8213: fix wrong MWDMA timings being programmed
Clear old MWDMA timings before programming new ones (IT8213
is a single port host so there is no need to check ap->port_no).
This change should be safe as this is how we have been doing
things in IDE it8213 host driver for years.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/pata_it8213.c')
| -rw-r--r-- | drivers/ata/pata_it8213.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ata/pata_it8213.c b/drivers/ata/pata_it8213.c index f0bf77a..bcc190a 100644 --- a/drivers/ata/pata_it8213.c +++ b/drivers/ata/pata_it8213.c @@ -210,7 +210,7 @@ static void it8213_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 &= 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); |