Thanks, James..

I will check your comment and resend the patch..

Best Regards,
Jaehoon Chung

On 12/01/2011 06:59 PM, James Hogan wrote:

> Thanks,
> 
> Couple more things
> 
> On 12/01/2011 12:16 AM, Jaehoon Chung wrote:
>> Dw_mmc controller didn't use dev_pm_ops.
>> This patch modified to use the dev_mp_ops for dw_mmc controller
> 
> I think you mean dev_pm_ops.
> 
>>
>> Signed-off-by: Jaehoon Chung <[email protected]>
>> Signed-off-by: Kyungmin Park <[email protected]>
>> ---
>> Changelog v2:
>>      - Use the Macro for dev_pm_ops
>>
>>  drivers/mmc/host/dw_mmc.c |   15 ++++++++-------
>>  1 files changed, 8 insertions(+), 7 deletions(-)
>>
>> diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
>> index 3aaeb08..2ba1a96 100644
>> --- a/drivers/mmc/host/dw_mmc.c
>> +++ b/drivers/mmc/host/dw_mmc.c
>> @@ -2066,10 +2066,10 @@ static int __exit dw_mci_remove(struct 
>> platform_device *pdev)
>>  /*
>>   * TODO: we should probably disable the clock to the card in the suspend 
>> path.
>>   */
>> -static int dw_mci_suspend(struct platform_device *pdev, pm_message_t mesg)
>> +static int dw_mci_suspend(struct device *dev)
>>  {
>>      int i, ret;
>> -    struct dw_mci *host = platform_get_drvdata(pdev);
>> +    struct dw_mci *host = dev_get_drvdata(dev);
>>  
>>      for (i = 0; i < host->num_slots; i++) {
>>              struct dw_mci_slot *slot = host->slot[i];
>> @@ -2092,10 +2092,10 @@ static int dw_mci_suspend(struct platform_device 
>> *pdev, pm_message_t mesg)
>>      return 0;
>>  }
>>  
>> -static int dw_mci_resume(struct platform_device *pdev)
>> +static int dw_mci_resume(struct device *dev)
>>  {
>>      int i, ret;
>> -    struct dw_mci *host = platform_get_drvdata(pdev);
>> +    struct dw_mci *host = dev_get_drvdata(dev);
>>  
>>      if (host->vmmc)
>>              regulator_enable(host->vmmc);
>> @@ -2103,7 +2103,7 @@ static int dw_mci_resume(struct platform_device *pdev)
>>      if (host->dma_ops->init)
>>              host->dma_ops->init(host);
>>  
>> -    if (!mci_wait_reset(&pdev->dev, host)) {
>> +    if (!mci_wait_reset(dev, host)) {
>>              ret = -ENODEV;
>>              return ret;
>>      }
>> @@ -2133,12 +2133,13 @@ static int dw_mci_resume(struct platform_device 
>> *pdev)
>>  #define dw_mci_resume       NULL
>>  #endif /* CONFIG_PM */
>>  
>> +SIMPLE_DEV_PM_OPS(dw_mci_pmops, dw_mci_suspend, dw_mci_resume);
> 
> This could be static (e.g. see drivers/input/keyboard/gpio_keys.c).
> 
> I get:
> drivers/mmc/host/dw_mmc.c:2069: warning: ‘dw_mci_suspend’ defined but
> not used
> drivers/mmc/host/dw_mmc.c:2095: warning: ‘dw_mci_resume’ defined but not
> used
> 
> when CONFIG_PM=y and CONFIG_PM_SLEEP=n (CONFIG_SUSPEND=n), because the
> #ifdef above needs to change to CONFIG_PM_SLEEP (see
> SET_SYSTEM_SLEEP_PM_OPS in include/linux/pm.h).
> 
>> +
>>  static struct platform_driver dw_mci_driver = {
>>      .remove         = __exit_p(dw_mci_remove),
>> -    .suspend        = dw_mci_suspend,
>> -    .resume         = dw_mci_resume,
>>      .driver         = {
>>              .name           = "dw_mmc",
>> +            .pm             = &dw_mci_pmops,
>>      },
>>  };
>>  
> 
> Cheers
> James
> 
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