Commit 97163873 authored Jan 19, 2012 by Sergei Shtylyov Committed by Jeff Garzik Mar 13, 2012

pata_legacy: correctly mask recovery field for HT6560B



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>
Cc: stable@kernel.org
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

parent 78140cfe

drivers/ata/pata_legacy.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -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);