linux-kernel - Re: [PATCH v3 2/4] drivers: clk: st: PLL rate change implementation for DVFS

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Date:	Tue, 6 Oct 2015 11:06:17 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Gabriel Fernandez <gabriel.fernandez@...aro.org>
Cc:	Maxime Coquelin <maxime.coquelin@...com>,
	Michael Turquette <mturquette@...libre.com>,
	Peter Griffin <peter.griffin@...aro.org>,
	Pankaj Dev <pankaj.dev@...com>,
	Olivier Bideau <olivier.bideau@...com>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Fabian Frederick <fabf@...net.be>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Srinivas Kandagatla <srinivas.kandagatla@...il.com>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, kernel@...inux.com,
	linux-clk@...r.kernel.org
Subject: Re: [PATCH v3 2/4] drivers: clk: st: PLL rate change implementation
 for DVFS

On 10/05, Gabriel Fernandez wrote:
> @@ -452,7 +651,7 @@ static const struct clk_ops st_pll1200c32_ops = {
>  static struct clk * __init clkgen_pll_register(const char *parent_name,
>  				struct clkgen_pll_data	*pll_data,
>  				void __iomem *reg,
> -				const char *clk_name)
> +				const char *clk_name, spinlock_t *lock)

Is there a reason we pass lock here but never use it in this
function?

>  {
>  	struct clkgen_pll *pll;
>  	struct clk *clk;

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