Re: [PATCH v2 3/4] mmc: sdhci-s3c: revert "fix missing clock for gpio card-detect"

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Hi,

On Fri, Aug 02 2013, Jaehoon Chung wrote:
> Fixed the warning message.(clk_disable/enable didn't pair)
> [..]
>
> Signed-off-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
> Signed-off-by: Kyungmin Park <Kyungmin.park@xxxxxxxxxxx>
> Acked-by: Heiko Stuebner <heiko@xxxxxxxxx>
> Tested-by: Heiko Stuebner <heiko@xxxxxxxxx>
> ---
> Changelog v2:
> 	- Added acked/tested by Heiko (on s3c2416)
>
>  drivers/mmc/host/sdhci-s3c.c |    9 ---------
>  1 file changed, 9 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
> index 6debda9..f974778 100644
> --- a/drivers/mmc/host/sdhci-s3c.c
> +++ b/drivers/mmc/host/sdhci-s3c.c
> @@ -373,27 +373,18 @@ static struct sdhci_ops sdhci_s3c_ops = {
>  static void sdhci_s3c_notify_change(struct platform_device *dev, int state)
>  {
>  	struct sdhci_host *host = platform_get_drvdata(dev);
> -#ifdef CONFIG_PM_RUNTIME
> -	struct sdhci_s3c *sc = sdhci_priv(host);
> -#endif
>  	unsigned long flags;
>  
>  	if (host) {
>  		spin_lock_irqsave(&host->lock, flags);
>  		if (state) {
>  			dev_dbg(&dev->dev, "card inserted.\n");
> -#ifdef CONFIG_PM_RUNTIME
> -			clk_prepare_enable(sc->clk_io);
> -#endif
>  			host->flags &= ~SDHCI_DEVICE_DEAD;
>  			host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
>  		} else {
>  			dev_dbg(&dev->dev, "card removed.\n");
>  			host->flags |= SDHCI_DEVICE_DEAD;
>  			host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION;
> -#ifdef CONFIG_PM_RUNTIME
> -			clk_disable_unprepare(sc->clk_io);
> -#endif
>  		}
>  		tasklet_schedule(&host->card_tasklet);
>  		spin_unlock_irqrestore(&host->lock, flags);

Jaehoon/Heiko, it looks this patch was itself a bug fix -- can we
not find a way to support cd-gpios and runtime PM at the same time?

Thanks,

- Chris.
-- 
Chris Ball   <cjb@xxxxxxxxxx>   <http://printf.net/>
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