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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