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

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Message-ID: <1438389906.19345.101.camel@freescale.com>
Date:	Fri, 31 Jul 2015 19:45:06 -0500
From:	Scott Wood <scottwood@...escale.com>
To:	<Yuantian.Tang@...escale.com>
CC:	<b07421@...escale.com>, <linuxppc-dev@...ts.ozlabs.org>,
	<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
	Chenhui Zhao <chenhui.zhao@...escale.com>
Subject: Re: [PATCH v5] powerpc/rcpm: add RCPM driver

On Fri, 2015-06-26 at 15:44 +0800, Yuantian.Tang@...escale.com 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

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