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pata_ali: 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 08:27:46 +02:00 committed by Damien Le Moal
parent 6ac586f2e7
commit 47b320498c
1 changed files with 2 additions and 2 deletions
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4
drivers/ata/pata_ali.c
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@ -215,7 +215,7 @@ static void ali_set_piomode(struct ata_port *ap, struct ata_device *adev)
struct ata_timing p;
ata_timing_compute(pair, pair->pio_mode, &p, T, 1);
ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT);
if (pair->dma_mode) {
if (ata_dma_enabled(pair)) {
ata_timing_compute(pair, pair->dma_mode, &p, T, 1);
ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT);
}
@ -264,7 +264,7 @@ static void ali_set_dmamode(struct ata_port *ap, struct ata_device *adev)
struct ata_timing p;
ata_timing_compute(pair, pair->pio_mode, &p, T, 1);
ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT);
if (pair->dma_mode) {
if (ata_dma_enabled(pair)) {
ata_timing_compute(pair, pair->dma_mode, &p, T, 1);
ata_timing_merge(&p, &t, &t, ATA_TIMING_SETUP|ATA_TIMING_8BIT);
}