staging: comedi: pcmuio: remove unnecessary mask of triggered channels
The 'triggered' value is read directly from the three trigger id
registers and does not have any extra data that needs masked off.
Remove the 'mytrig' local variable and just use 'triggered' directly.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/comedi/drivers/pcmuio.c b/drivers/staging/comedi/drivers/pcmuio.c
index 2dca119..3dbc1d3 100644
--- a/drivers/staging/comedi/drivers/pcmuio.c
+++ b/drivers/staging/comedi/drivers/pcmuio.c
@@ -297,7 +297,6 @@
unsigned oldevents = s->async->events;
unsigned int val = 0;
unsigned long flags;
- unsigned mytrig;
unsigned int i;
spin_lock_irqsave(&chip->spinlock, flags);
@@ -305,16 +304,13 @@
if (!chip->active)
goto done;
- mytrig = triggered;
- mytrig &= ((0x1 << s->n_chan) - 1);
-
- if (!(mytrig & chip->enabled_mask))
+ if (!(triggered & chip->enabled_mask))
goto done;
for (i = 0; i < len; i++) {
unsigned int chan = CR_CHAN(s->async->cmd.chanlist[i]);
- if (mytrig & (1U << chan))
- val |= (1U << i);
+ if (triggered & (1 << chan))
+ val |= (1 << i);
}
/* Write the scan to the buffer. */