linux-kernel - Re: [PATCH v4 3/5] at91/avr32/atmel_lcdfb: prepare clk before calling enable

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Date:	Fri, 30 Aug 2013 10:18:12 +0300
From:	Tomi Valkeinen <tomi.valkeinen@...com>
To:	Boris BREZILLON <b.brezillon@...rkiz.com>
CC:	Nicolas Ferre <nicolas.ferre@...el.com>,
	Ludovic Desroches <ludovic.desroches@...el.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-kernel@...r.kernel.org>, <linux-fbdev@...r.kernel.org>
Subject: Re: [PATCH v4 3/5] at91/avr32/atmel_lcdfb: prepare clk before calling
 enable

On 18/07/13 10:40, Boris BREZILLON wrote:
> Replace clk_enable/disable with clk_prepare_enable/disable_unprepare to
> avoid common clk framework warnings.
> 
> Signed-off-by: Boris BREZILLON <b.brezillon@...rkiz.com>
> Acked-by: Nicolas Ferre <nicolas.ferre@...el.com>
> ---
>  drivers/video/atmel_lcdfb.c |    8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/video/atmel_lcdfb.c b/drivers/video/atmel_lcdfb.c
> index ece49d5..bf9c5d0 100644
> --- a/drivers/video/atmel_lcdfb.c
> +++ b/drivers/video/atmel_lcdfb.c
> @@ -954,14 +954,14 @@ static int __init atmel_lcdfb_init_fbinfo(struct atmel_lcdfb_info *sinfo)
>  
>  static void atmel_lcdfb_start_clock(struct atmel_lcdfb_info *sinfo)
>  {
> -	clk_enable(sinfo->bus_clk);
> -	clk_enable(sinfo->lcdc_clk);
> +	clk_prepare_enable(sinfo->bus_clk);
> +	clk_prepare_enable(sinfo->lcdc_clk);
>  }
>  
>  static void atmel_lcdfb_stop_clock(struct atmel_lcdfb_info *sinfo)
>  {
> -	clk_disable(sinfo->bus_clk);
> -	clk_disable(sinfo->lcdc_clk);
> +	clk_disable_unprepare(sinfo->bus_clk);
> +	clk_disable_unprepare(sinfo->lcdc_clk);
>  }
>  
>  #ifdef CONFIG_OF

Thanks, queued this for 3.12.

 Tomi




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