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at86rf230: remove hrtimer on 1 usec delay

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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>
This commit is contained in:
Alexander Aring 2015-07-30 12:13:29 +02:00 committed by Marcel Holtmann
parent 54c9ee3992
commit 8b44f0dd2f
1 changed files with 3 additions and 1 deletions
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4
drivers/net/ieee802154/at86rf230.c
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@ -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);