From: H Hartley Sweeten Date: Fri, 9 Oct 2015 18:53:49 +0000 (-0700) Subject: staging: comedi: adq12b: usleep_range is preferred over udelay X-Git-Tag: v4.14-rc1~4420^2~803 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e8f25f6680a8df64409a1fd8bddfe7848ee7c7e0;p=platform%2Fkernel%2Flinux-rpi.git staging: comedi: adq12b: usleep_range is preferred over udelay 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 Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- 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 */