[PATCH 3/3] staging: comedi: adq12b: usleep_range is preferred over udelay

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Fix checkpatch.pl issue:

CHECK: usleep_range is preferred over udelay; see
       Documentation/timers/timers-howto.txt

Replace the udelay() with usleep_range() with a reasonable upper limit.

Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Ian Abbott <abbotti@xxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/staging/comedi/drivers/adq12b.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/comedi/drivers/adq12b.c b/drivers/staging/comedi/drivers/adq12b.c
index dbb9d58..3150504 100644
--- a/drivers/staging/comedi/drivers/adq12b.c
+++ b/drivers/staging/comedi/drivers/adq12b.c
@@ -129,7 +129,7 @@ static int adq12b_ai_insn_read(struct comedi_device *dev,
 	if (val != devpriv->last_ctreg) {
 		outb(val, dev->iobase + ADQ12B_CTREG);
 		devpriv->last_ctreg = val;
-		udelay(50);	/* wait for the mux to settle */
+		usleep_range(50, 100);	/* wait for the mux to settle */
 	}
 
 	val = inb(dev->iobase + ADQ12B_ADLOW);	/* trigger A/D */
-- 
2.5.1

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