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

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Dear, Chris.

On 08/30/2013 10:22 AM, Chris Ball wrote:
> 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?
I will find them.

Thanks for review.

Best Regards,
Jaehoon Chung
> 
> Thanks,
> 
> - Chris.
> 

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