diff options
| author | Sergei Shtylyov <sshtylyov@ru.mvista.com> | 2012-01-19 19:09:56 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-02 09:27:13 -0700 |
| commit | dfa5919bcc4079b0d48bb0441da8d5b144fef34f (patch) | |
| tree | 00acd8aa854960e679cbd0402583e38e1b033729 /drivers/ata | |
| parent | 3852bb50cf750bbdd45debfe4c72981e9141bf84 (diff) | |
pata_legacy: correctly mask recovery field for HT6560B
commit 9716387311c790de381214c03e7f1b72b91a8189 upstream.
According to the HT6560H datasheet, the recovery timing field is 4-bit wide,
with a value of 0 meaning 16 cycles. Correct obvious thinko in the recovery
field mask.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/pata_legacy.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c index 6bd9425ba5ab..d750962916b1 100644 --- a/drivers/ata/pata_legacy.c +++ b/drivers/ata/pata_legacy.c @@ -396,8 +396,7 @@ static void ht6560b_set_piomode(struct ata_port *ap, struct ata_device *adev) ata_timing_compute(adev, adev->pio_mode, &t, 20000, 1000); active = clamp_val(t.active, 2, 15); - recover = clamp_val(t.recover, 2, 16); - recover &= 0x15; + recover = clamp_val(t.recover, 2, 16) & 0x0F; inb(0x3E6); inb(0x3E6); |