On Friday, December 02, 2011, Mark Brown wrote:
> On Fri, Dec 02, 2011 at 09:10:27PM +0100, Sylwester Nawrocki wrote:
>
> > > + /* Not all domains provide power status readback */
> > > + if (pd->pwr_stat) {
> > > + while (retry--)
> > > + if (__raw_readl(S3C64XX_BLK_PWR_STAT) & pd->pwr_stat)
> > > + break;
>
> > How about adding cpu_relax() in this busy wait loop ?
>
> May as well, yes - I didn't actually measure how long it tends to take
> to do the spin but it's not going to hurt.
Are you going to post an updated patch?
Rafael
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