diff options
| author | H Hartley Sweeten <hsweeten@visionengravers.com> | 2015-09-24 17:52:03 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-09-29 03:32:21 +0200 |
| commit | 120bdac7376a36418eb1d55e0161dc0e660a45c3 (patch) | |
| tree | 3ad791821f3de76bfadf8f6a15d4c79085e4e877 /drivers/staging/comedi/drivers/rtd520.c | |
| parent | c3aea01259655b6dcf0e9665416d254177fe222b (diff) | |
staging: comedi: rtd529: usleep_range is preferred over udelay
Fix checkpatch issue: "CHECK: usleep_range is preferred over udelay; see
Documentation/timers/timers-howto.txt". `udelay()` is only used in the
firmware upload process. Replace them with `usleep_range()` with a
reasonable upper limit.
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>
Diffstat (limited to 'drivers/staging/comedi/drivers/rtd520.c')
| -rw-r--r-- | drivers/staging/comedi/drivers/rtd520.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c index ea594e675b6e..49cbf48d1497 100644 --- a/drivers/staging/comedi/drivers/rtd520.c +++ b/drivers/staging/comedi/drivers/rtd520.c @@ -513,7 +513,7 @@ static int rtd520_probe_fifo_depth(struct comedi_device *dev) unsigned fifo_status; /* trigger conversion */ writew(0, dev->mmio + LAS0_ADC); - udelay(1); + usleep_range(1, 1000); fifo_status = readl(dev->mmio + LAS0_ADC); if ((fifo_status & FS_ADC_HEMPTY) == 0) { fifo_size = 2 * i; @@ -1142,7 +1142,7 @@ static void rtd_reset(struct comedi_device *dev) struct rtd_private *devpriv = dev->private; writel(0, dev->mmio + LAS0_BOARD_RESET); - udelay(100); /* needed? */ + usleep_range(100, 1000); /* needed? */ writel(0, devpriv->lcfg + PLX_INTRCS_REG); writew(0, dev->mmio + LAS0_IT); writew(~0, dev->mmio + LAS0_CLEAR); |