On Thu, May 19, 2011 at 08:01:25PM +0200, Linus Walleij wrote: > This relaxes the cpu in the polling busy-wait loop. > > Reported-by: Vitaly Wool <[email protected]> > Signed-off-by: Linus Walleij <[email protected]>
Applied, thanks. g. > --- > drivers/spi/amba-pl022.c | 1 + > 1 files changed, 1 insertions(+), 0 deletions(-) > > 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 */ > -- > 1.7.3.2 > ------------------------------------------------------------------------------ What Every C/C++ and Fortran developer Should Know! Read this article and learn how Intel has extended the reach of its next-generation tools to help Windows* and Linux* C/C++ and Fortran developers boost performance applications - including clusters. http://p.sf.net/sfu/intel-dev2devmay _______________________________________________ spi-devel-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/spi-devel-general
