Re: [PATCH (mmc-next) 1/3] mmc: add suspend/resume in the sdhci-pltfm driver

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On Mon, Sep 27, 2010 at 03:24:02PM +0200, Peppe CAVALLARO wrote:
> On 09/27/2010 02:57 PM, Peppe CAVALLARO wrote:
> > On 09/27/2010 12:37 PM, Wolfram Sang wrote:
> >  > On Thu, Sep 23, 2010 at 11:14:24AM +0200, Giuseppe CAVALLARO wrote:
> >  >> Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@xxxxxx>
> >  >
> >  > I'd prefer it the way sdhci-mv.c is doing it (just one #if-block and
> >  > returning the code from the sdhci_*-functions). Then it should be fine.
> > 
> > Okay! I can rework it without any problems.
> 
> Hi Wolfram
> attached the new patch:
> Let me know if it's ok.

Better, but you still do not return the retval from the sdhci-functions.
And please annotate the #endif with the define it depends on as a
comment. And wait for more comments and respin the series as a whole,
not every patch independently. That soon gets a mess.

> From 847f635d0824c88f6575d86f5e9f50283883cd60 Mon Sep 17 00:00:00 2001
> From: Giuseppe Cavallaro <peppe.cavallaro@xxxxxx>
> Date: Thu, 23 Sep 2010 10:13:00 +0200
> Subject: [PATCH (mmc-next)] mmc: add suspend/resume in the sdhci-pltfm driver (V2)
> 
> Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@xxxxxx>
> ---
>  drivers/mmc/host/sdhci-pltfm.c |   23 +++++++++++++++++++++++
>  1 files changed, 23 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
> index e045e3c..c43f954 100644
> --- a/drivers/mmc/host/sdhci-pltfm.c
> +++ b/drivers/mmc/host/sdhci-pltfm.c
> @@ -165,6 +165,27 @@ static const struct platform_device_id sdhci_pltfm_ids[] = {
>  };
>  MODULE_DEVICE_TABLE(platform, sdhci_pltfm_ids);
>  
> +#ifdef CONFIG_PM
> +static int sdhci_pltfm_suspend(struct platform_device *dev, pm_message_t pm)
> +{
> +	struct sdhci_host *host = platform_get_drvdata(dev);
> +
> +	sdhci_suspend_host(host, pm);
> +	return 0;
> +}
> +
> +static int sdhci_pltfm_resume(struct platform_device *dev)
> +{
> +	struct sdhci_host *host = platform_get_drvdata(dev);
> +
> +	sdhci_resume_host(host);
> +	return 0;
> +}
> +#else
> +#define sdhci_pltfm_suspend	NULL
> +#define sdhci_pltfm_resume	NULL
> +#endif
> +
>  static struct platform_driver sdhci_pltfm_driver = {
>  	.driver = {
>  		.name	= "sdhci",
> @@ -173,6 +194,8 @@ static struct platform_driver sdhci_pltfm_driver = {
>  	.probe		= sdhci_pltfm_probe,
>  	.remove		= __devexit_p(sdhci_pltfm_remove),
>  	.id_table	= sdhci_pltfm_ids,
> +	.suspend	= sdhci_pltfm_suspend,
> +	.resume		= sdhci_pltfm_resume,
>  };
>  
>  /*****************************************************************************\
> -- 
> 1.5.5.6
> 


-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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