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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>
This commit is contained in:
Reimar Döffinger 2021-10-12 08:27:47 +02:00 committed by Damien Le Moal
parent 47b320498c
commit 2367ad63a1
1 changed files with 1 additions and 1 deletions
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2
drivers/ata/pata_amd.c
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@ -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);
}