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 <hswee...@visionengravers.com>
Cc: Ian Abbott <abbo...@mev.co.uk>
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/staging/comedi/drivers/rtd520.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/comedi/drivers/rtd520.c
b/drivers/staging/comedi/drivers/rtd520.c
index ea594e6..49cbf48 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);
--
2.5.1
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