Commit 2367ad63 authored Oct 12, 2021 by Reimar Döffinger Committed by Damien Le Moal Oct 12, 2021

pata_amd: fix checking of DMA state



Checking if DMA is enabled should be done via the
ata_dma_enabled helper function, since the init state
0xff indicates disabled.
Change based on code review, not tested due to lack of hardware.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>

parent 47b32049

drivers/ata/pata_amd.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -66,7 +66,7 @@ static void timing_setup(struct ata_port ap, struct ata_device adev, int offse

		if (peer) {
		/* This may be over conservative */
		if (peer->dma_mode) {
		if (ata_dma_enabled(peer)) {
		ata_timing_compute(peer, peer->dma_mode, &apeer, T, UT);
		ata_timing_merge(&apeer, &at, &at, ATA_TIMING_8BIT);
		}