Message ID | 1305828085-25135-1-git-send-email-linus.walleij@stericsson.com |
---|---|
State | Accepted |
Commit | 521999bd4a8c47a86136b9d8223a9480f5906db8 |
Headers | show |
diff --git a/drivers/spi/amba-pl022.c b/drivers/spi/amba-pl022.c index 18667de..8a2b88a 100644 --- a/drivers/spi/amba-pl022.c +++ b/drivers/spi/amba-pl022.c @@ -1424,6 +1424,7 @@ static void do_polling_transfer(struct pl022 *pl022) message->state = STATE_ERROR; goto out; } + cpu_relax(); } /* Update total byte transferred */
This relaxes the cpu in the polling busy-wait loop. Reported-by: Vitaly Wool <vitalywool@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> --- drivers/spi/amba-pl022.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)