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.
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