linux-kernel - Re: [PATCH 06/23] mfd/db8500-prcmu: add accessors for PLL and SGA clock

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Date:	Mon, 3 Oct 2011 17:51:40 +0200
From:	Samuel Ortiz <sameo@...ux.intel.com>
To:	Linus Walleij <linus.walleij@...ricsson.com>
Cc:	linux-kernel@...r.kernel.org, Lee Jones <lee.jones@...aro.org>,
	Mattias Nilsson <mattias.i.nilsson@...ricsson.com>,
	Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH 06/23] mfd/db8500-prcmu: add accessors for PLL and SGA
 clock

Hi Linus,

On Fri, Aug 12, 2011 at 10:28:18AM +0200, Linus Walleij wrote:
>  int db8500_prcmu_request_clock(u8 clock, bool enable)
>  {
> -	if (clock < PRCMU_NUM_REG_CLOCKS)
> +	if (clock == PRCMU_SGACLK)
> +		return request_sga_clock(clock, enable);
> +	else if (clock < PRCMU_NUM_REG_CLOCKS)
>  		return request_reg_clock(clock, enable);
>  	else if (clock == PRCMU_TIMCLK)
>  		return request_timclk(enable);
>  	else if (clock == PRCMU_SYSCLK)
>  		return request_sysclk(enable);
> +	else if (clock == PRCMU_PLLSOC1)
> +		return request_pll(clock, enable);
>  	else
>  		return -EINVAL;
This looks like you're willing to use a switch case here (and default to
request_reg_clock() who would return -EINVAL if clock >=
PRCMU_NUM_REG_CLOCKS).

Cheers,
Samuel.

-- 
Intel Open Source Technology Centre
http://oss.intel.com/
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