Only the ISA versions of the LabPC boards support DMA and the
devpriv->dma_chan is only set during the ISA board attach if
DMA is available. The extra check of the board->bustype is not
necessary in labpc_ai_cmd().
Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/staging/comedi/drivers/ni_labpc.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c
index 365149a..5630be3 100644
--- a/drivers/staging/comedi/drivers/ni_labpc.c
+++ b/drivers/staging/comedi/drivers/ni_labpc.c
@@ -893,9 +893,7 @@ static int labpc_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
* dma unsafe at RT priority,
* and too much setup time for TRIG_WAKE_EOS for
*/
- (cmd->flags & (TRIG_WAKE_EOS | TRIG_RT)) == 0 &&
- /* only available on the isa boards */
- board->bustype == isa_bustype) {
+ (cmd->flags & (TRIG_WAKE_EOS | TRIG_RT)) == 0) {
xfer = isa_dma_transfer;
/* pc-plus has no fifo-half full interrupt */
} else
--
1.8.1.4
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