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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2011-10-13 15:28:30 +0200 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2011-10-14 19:37:32 +0200 |
| commit | ce986690d9bfabb8c61fd8fe785fce5d95210b66 (patch) | |
| tree | ac4ebfbbe9c382e7fab20489c417e62fa0da8865 /drivers/ata/ata_piix.c | |
| parent | libata: make ata_sff_data_xfer_noirq() work with 32-bit PIO (diff) | |
| download | linux-ce986690d9bfabb8c61fd8fe785fce5d95210b66.tar.xz linux-ce986690d9bfabb8c61fd8fe785fce5d95210b66.zip | |
ata_piix: SITRE handling fix
Set SITRE (separate slave timing register) bit also in master-only
configurations to match other PIIX-alike drivers and make further
changes easier.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/ata_piix.c')
| -rw-r--r-- | drivers/ata/ata_piix.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index cc431d6bc97f..75fdd026a997 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -786,8 +786,6 @@ static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev) if (is_slave) { /* clear TIME1|IE1|PPE1|DTE1 */ master_data &= 0xff0f; - /* Enable SITRE (separate slave timing register) */ - master_data |= 0x4000; /* enable PPE1, IE1 and TIME1 as needed */ master_data |= (control << 4); pci_read_config_byte(dev, slave_port, &slave_data); @@ -805,6 +803,9 @@ static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev) (timings[pio][0] << 12) | (timings[pio][1] << 8); } + + /* Enable SITRE (separate slave timing register) */ + master_data |= 0x4000; pci_write_config_word(dev, master_port, master_data); if (is_slave) pci_write_config_byte(dev, slave_port, slave_data); |