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staging: comedi: ni_labpc: remove unnecessary 'bustype' check

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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@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2013-04-22 12:34:13 -07:00 • committed by Greg Kroah-Hartman
parent 3e03479719
commit 3a0a73b3c8
1 changed files with 1 additions and 3 deletions
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4
drivers/staging/comedi/drivers/ni_labpc.c
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@ -893,9 +893,7 @@ static int labpc_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
* dma unsafe at RT priority, * dma unsafe at RT priority,
* and too much setup time for TRIG_WAKE_EOS for * and too much setup time for TRIG_WAKE_EOS for
*/ */
(cmd->flags & (TRIG_WAKE_EOS | TRIG_RT)) == 0 && (cmd->flags & (TRIG_WAKE_EOS | TRIG_RT)) == 0) {
/* only available on the isa boards */
board->bustype == isa_bustype) {
xfer = isa_dma_transfer; xfer = isa_dma_transfer;
/* pc-plus has no fifo-half full interrupt */ /* pc-plus has no fifo-half full interrupt */
} else } else