Re: [PATCH 07/12] mmc: sh_mmcif: Convert to clk_prepare/unprepare

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On Mon, 28 Oct 2013, Laurent Pinchart wrote:

> Turn clk_enable() and clk_disable() calls into clk_prepare_enable() and
> clk_disable_unprepare() to get ready for the migration to the common
> clock framework.
> 
> Cc: Chris Ball <cjb@xxxxxxxxxx>
> Cc: Guennadi Liakhovetski <g.liakhovetski+renesas@xxxxxxxxx>
> Cc: linux-mmc@xxxxxxxxxxxxxxx
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>

Acked-by: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>

Thanks
Guennadi

> ---
>  drivers/mmc/host/sh_mmcif.c | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
> index 36629a0..37a6c57 100644
> --- a/drivers/mmc/host/sh_mmcif.c
> +++ b/drivers/mmc/host/sh_mmcif.c
> @@ -964,7 +964,7 @@ static void sh_mmcif_request(struct mmc_host *mmc, struct mmc_request *mrq)
>  
>  static int sh_mmcif_clk_update(struct sh_mmcif_host *host)
>  {
> -	int ret = clk_enable(host->hclk);
> +	int ret = clk_prepare_enable(host->hclk);
>  
>  	if (!ret) {
>  		host->clk = clk_get_rate(host->hclk);
> @@ -1018,7 +1018,7 @@ static void sh_mmcif_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
>  		}
>  		if (host->power) {
>  			pm_runtime_put_sync(&host->pd->dev);
> -			clk_disable(host->hclk);
> +			clk_disable_unprepare(host->hclk);
>  			host->power = false;
>  			if (ios->power_mode == MMC_POWER_OFF)
>  				sh_mmcif_set_power(host, ios);
> @@ -1466,7 +1466,7 @@ static int sh_mmcif_probe(struct platform_device *pdev)
>  
>  	mutex_init(&host->thread_lock);
>  
> -	clk_disable(host->hclk);
> +	clk_disable_unprepare(host->hclk);
>  	ret = mmc_add_host(mmc);
>  	if (ret < 0)
>  		goto emmcaddh;
> @@ -1487,7 +1487,7 @@ ereqirq1:
>  ereqirq0:
>  	pm_runtime_suspend(&pdev->dev);
>  eresume:
> -	clk_disable(host->hclk);
> +	clk_disable_unprepare(host->hclk);
>  eclkupdate:
>  	clk_put(host->hclk);
>  eclkget:
> @@ -1505,7 +1505,7 @@ static int sh_mmcif_remove(struct platform_device *pdev)
>  	int irq[2];
>  
>  	host->dying = true;
> -	clk_enable(host->hclk);
> +	clk_prepare_enable(host->hclk);
>  	pm_runtime_get_sync(&pdev->dev);
>  
>  	dev_pm_qos_hide_latency_limit(&pdev->dev);
> @@ -1530,7 +1530,7 @@ static int sh_mmcif_remove(struct platform_device *pdev)
>  	if (irq[1] >= 0)
>  		free_irq(irq[1], host);
>  
> -	clk_disable(host->hclk);
> +	clk_disable_unprepare(host->hclk);
>  	mmc_free_host(host->mmc);
>  	pm_runtime_put_sync(&pdev->dev);
>  	pm_runtime_disable(&pdev->dev);
> -- 
> 1.8.1.5
> 

---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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