From be8ae09d9a800a40771c93356216678aff9ca577 Mon Sep 17 00:00:00 2001 From: Giuseppe Cavallaro Date: Tue, 28 Sep 2010 10:41:27 +0200 Subject: [PATCH] mmc: sdhci-pltfm: add suspend/resume functions This patch adds the suspend and resume functions in the sdhci-pltfm device driver. Signed-off-by: Giuseppe Cavallaro Reviewed-by: Wolfram Sang Signed-off-by: Chris Ball --- drivers/mmc/host/sdhci-pltfm.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) 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, }; /*****************************************************************************\ -- 2.7.4