Commit 8b44f0dd authored Jul 30, 2015 by Alexander Aring Committed by Marcel Holtmann Jul 30, 2015

at86rf230: remove hrtimer on 1 usec delay



According Documentation/timers/timers-howto.txt the usually case for
setting up a hrtimer takes > ~10us. So we should use udelay in this
case so we are sure that the state change was done, before doing the
state change assert.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

parent 54c9ee39

drivers/net/ieee802154/at86rf230.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -545,7 +545,9 @@ at86rf230_async_state_delay(void *context)
		}

		/* Default delay is 1us in the most cases */
		tim = ktime_set(0, NSEC_PER_USEC);
		udelay(1);
		at86rf230_async_state_timer(&ctx->timer);
		return;

		change:
		hrtimer_start(&ctx->timer, tim, HRTIMER_MODE_REL);