diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2015-08-12 13:25:36 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-08-14 18:36:16 -0700 |
| commit | a66f2017ec2daebfef9e7cdf4edeca7a362c7303 (patch) | |
| tree | 097f2edab75f537a1d233ab779f14b360c0b1685 | |
| parent | 2be8ae5898af956560e9f722b327add05574a1f7 (diff) | |
staging: comedi: hwdrv_apci3501: remove useless read/mask to stop watchdog
The watchdog is stopped in apci3501_write_insn_timer() by writing a 0 to
the timer control register. There is no need to read the register first
and mask it (as done when the timer is used as a timer).
Reported-by: coverity (CID 1227052)
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>
| -rw-r--r-- | drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c index 1f2f78186d58c..e12b2bc61ca31 100644 --- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c +++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3501.c @@ -102,8 +102,6 @@ static int apci3501_write_insn_timer(struct comedi_device *dev, /* Enable the Watchdog */ outl(ul_Command1, dev->iobase + APCI3501_TIMER_CTRL_REG); } else if (data[1] == 0) { /* Stop The Watchdog */ - ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG); - ul_Command1 = ul_Command1 & 0xFFFFF9FEUL; outl(0x0, dev->iobase + APCI3501_TIMER_CTRL_REG); } else if (data[1] == 2) { ul_Command1 = inl(dev->iobase + APCI3501_TIMER_CTRL_REG); |