[PATCH 4/5] staging: comedi: ni_labpc: remove unnecessary 'bustype' check

H Hartley Sweeten hsweeten at visionengravers.com
Mon Apr 22 19:34:13 UTC 2013


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 at visionengravers.com>
Cc: Ian Abbott <abbotti at mev.co.uk>
Cc: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
---
 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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