diff mbox series

[6/6] pata_radisys: fix checking of DMA state

Message ID 20211012062749.4728-7-Reimar.Doeffinger@gmx.de
State New
Headers show
Series [1/6] libata: fix checking of DMA state | expand

Commit Message

Reimar Döffinger Oct. 12, 2021, 6:27 a.m. UTC 
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>
---
 drivers/ata/pata_radisys.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/ata/pata_radisys.c b/drivers/ata/pata_radisys.c
index 8fde4a86401b..3aca8fe3fdb6 100644
--- a/drivers/ata/pata_radisys.c
+++ b/drivers/ata/pata_radisys.c
@@ -172,8 +172,8 @@  static unsigned int radisys_qc_issue(struct ata_queued_cmd *qc)
 
 	if (adev != ap->private_data) {
 		/* UDMA timing is not shared */
-		if (adev->dma_mode < XFER_UDMA_0) {
-			if (adev->dma_mode)
+		if (adev->dma_mode < XFER_UDMA_0 || !ata_dma_enabled(adev)) {
+			if (ata_dma_enabled(adev))
 				radisys_set_dmamode(ap, adev);
 			else if (adev->pio_mode)
 				radisys_set_piomode(ap, adev);