From 7b7afb469cfe9eb384028f86ce4ec2fb8946f772 Mon Sep 17 00:00:00 2001 From: Ian Abbott Date: Tue, 5 May 2015 18:47:26 +0100 Subject: [PATCH] staging: comedi: gsc_hpdi: 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 called once from a place where sleeping is allowed. Replace it with a call to `usleep_range()` with a reasonable upper limit. Signed-off-by: Ian Abbott Reviewed-by: H Hartley Sweeten Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/gsc_hpdi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/comedi/drivers/gsc_hpdi.c b/drivers/staging/comedi/drivers/gsc_hpdi.c index 0e04f15feb38..31ff10807260 100644 --- a/drivers/staging/comedi/drivers/gsc_hpdi.c +++ b/drivers/staging/comedi/drivers/gsc_hpdi.c @@ -520,7 +520,7 @@ static int gsc_hpdi_init(struct comedi_device *dev) /* wait 10usec after reset before accessing fifos */ writel(BOARD_RESET_BIT, dev->mmio + BOARD_CONTROL_REG); - udelay(10); + usleep_range(10, 1000); writel(ALMOST_EMPTY_BITS(32) | ALMOST_FULL_BITS(32), dev->mmio + RX_PROG_ALMOST_REG); -- 2.11.0