Re: [PATCHv2] mmc: sdhci-s3c: fix the wrong register value when, clock is disabled

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Dear Chris,

I will change the comment, and re-send the patch.
Thanks Chris.

Best Regards,
Jaehoon Chung

On 06/27/2013 11:53 PM, Chris Ball wrote:
> Hi Jaehoon,
> 
> On Mon, May 27 2013, Jaehoon Chung wrote:
>> When use the QUIRK_NONSTANDARD_CLOCK, then never set to 0 at clock control register.
>> This patch is fixed this problem.
>>
>> Signed-off-by: Jaehoon Chung <jh80.chung@xxxxxxxxxx
>> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
>> ---
>> Changelog v2:
>> - Rebased at the latest mmc tree
>>
>>  drivers/mmc/host/sdhci-s3c.c |    5 ++++-
>>  1 file changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
>> index 926aaf6..ce71f32 100644
>> --- a/drivers/mmc/host/sdhci-s3c.c
>> +++ b/drivers/mmc/host/sdhci-s3c.c
>> @@ -297,8 +297,11 @@ static void sdhci_cmu_set_clock(struct sdhci_host *host, unsigned int clock)
>>  	u16 clk = 0;
>>  
>>  	/* don't bother if the clock is going off */
>> -	if (clock == 0)
>> +	if (clock == 0) {
>> +		sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
>> +		host->clock = clock;
>>  		return;
>> +	}
>>  
>>  	sdhci_s3c_set_clock(host, clock);
> 
> You should change the comment too, since your patch invalidates it.
> 
> Thanks,
> 
> - Chris.
> 

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