Re: [PATCH v5] powerpc/rcpm: add RCPM driver

[Chenhui Zhao]

On Sat, Aug 1, 2015 at 8:45 AM, Scott Wood <scottwood@xxxxxxxxxxxxx> 
wrote:
> On Fri, 2015-06-26 at 15:44 +0800, Yuantian.Tang@xxxxxxxxxxxxx wrote:
> >  +static void rcpm_v1_set_ip_power(bool enable, u32 *mask)
> >  +{
> >  +     if (enable)
> >  +             setbits32(&rcpm_v1_regs->ippdexpcr, *mask);
> >  +     else
> >  +             clrbits32(&rcpm_v1_regs->ippdexpcr, *mask);
> >  +}
> >  +
> >  +static void rcpm_v2_set_ip_power(bool enable, u32 *mask)
> >  +{
> >  +     if (enable)
> >  +             setbits32(&rcpm_v2_regs->ippdexpcr[0], *mask);
> >  +     else
> >  +             clrbits32(&rcpm_v2_regs->ippdexpcr[0], *mask);
> >  +}
>
> Why do these take "u32 *mask" instead of "u32 mask"?
>
> -Scott

I think it can be used in the case where there are several mask values.

-Chenhui

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