Re: [PATCH (mmc-next) 1/3] mmc: add suspend/resume in the sdhci-pltfm driver (V3)

Wolfram Sang
2010-09-28T11:09:00Z

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On Tue, Sep 28, 2010 at 10:41:27AM +0200, Giuseppe CAVALLARO wrote:
> This patch adds the suspend and resume functions
> in the sdhci-pltfm device driver.
>
> Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>

Reviewed-by: Wolfram Sang <w.sang@pengutronix.de>

> ---
> drivers/mmc/host/sdhci-pltfm.c | 21 +++++++++++++++++++++
> 1 files changed, 21 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
> index e045e3c..4f126de 100644
> --- a/drivers/mmc/host/sdhci-pltfm.c
> +++ b/drivers/mmc/host/sdhci-pltfm.c
> @@ -165,6 +165,25 @@ 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 state)
> +{
> + struct sdhci_host *host = platform_get_drvdata(dev);
> +
> + return sdhci_suspend_host(host, state);
> +}
> +
> +static int sdhci_pltfm_resume(struct platform_device *dev)
> +{
> + struct sdhci_host *host = platform_get_drvdata(dev);
> +
> + return sdhci_resume_host(host);
> +}
> +#else
> +#define sdhci_pltfm_suspend NULL
> +#define sdhci_pltfm_resume NULL
> +#endif /* CONFIG_PM */
> +
> static struct platform_driver sdhci_pltfm_driver = {
> .driver = {
> .name = "sdhci",
> @@ -173,6 +192,8 @@ 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
>

--
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Industrial Linux Solutions | http://www.pengutronix.de/ |

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