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authorGiuseppe Cavallaro <peppe.cavallaro@st.com>2010-09-28 10:41:27 +0200
committerChris Ball <cjb@laptop.org>2010-10-23 21:11:17 +0800
commitbe8ae09d9a800a40771c93356216678aff9ca577 (patch)
tree8839c63471c2405dc8ee5bd7282c0f3cb1d4538a /drivers/mmc/host/sdhci-pltfm.c
parentde528fa3f94da95f7667eb1583178268c3a403d0 (diff)
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 <peppe.cavallaro@st.com> Reviewed-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'drivers/mmc/host/sdhci-pltfm.c')
-rw-r--r--drivers/mmc/host/sdhci-pltfm.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
index e045e3c61dde..4f126de5f492 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,
};
/*****************************************************************************\