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

Giuseppe CAVALLARO
2010-09-28T08:41:45Z

This patch adds the suspend and resume functions
in the sdhci-pltfm device driver.

Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
---
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