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@xxxxxx>
---
drivers/ata/libata-scsi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 1fb4611f7eeb..0adea33f2137 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -2981,7 +2981,7 @@ static unsigned int ata_scsi_pass_thru(struct ata_queued_cmd *qc)
ata_qc_set_pc_nbytes(qc);
/* We may not issue DMA commands if no DMA mode is set */
- if (tf->protocol == ATA_PROT_DMA && dev->dma_mode == 0) {
+ if (tf->protocol == ATA_PROT_DMA && !ata_dma_enabled(dev)) {
fp = 1;
goto invalid_fld;
}
@@ -3131,7 +3131,7 @@ static unsigned int ata_scsi_write_same_xlat(struct ata_queued_cmd *qc)
u8 unmap = cdb[1] & 0x8;
/* we may not issue DMA commands if no DMA mode is set */
- if (unlikely(!dev->dma_mode))
+ if (unlikely(!ata_dma_enabled(dev)))
goto invalid_opcode;
/*
--
2.33.0
