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pata_legacy: correctly mask recovery field for HT6560B

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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 <[email protected]>
Cc: [email protected]
Signed-off-by: Jeff Garzik <[email protected]>
This commit is contained in:
Sergei Shtylyov 2012-01-19 19:09:56 +03:00 • committed by Jeff Garzik
commit 9716387311
1 changed files with 1 additions and 2 deletions
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3
drivers/ata/pata_legacy.c
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@ -401,8 +401,7 @@ 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);