summaryrefslogtreecommitdiff
path: root/drivers/mmc/host/sdhci-pltfm.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/mmc/host/sdhci-pltfm.c')
-rw-r--r--drivers/mmc/host/sdhci-pltfm.c28
1 files changed, 24 insertions, 4 deletions
diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
index e090d8c42ddb..02bea6159d79 100644
--- a/drivers/mmc/host/sdhci-pltfm.c
+++ b/drivers/mmc/host/sdhci-pltfm.c
@@ -209,22 +209,42 @@ int sdhci_pltfm_unregister(struct platform_device *pdev)
EXPORT_SYMBOL_GPL(sdhci_pltfm_unregister);
#ifdef CONFIG_PM_SLEEP
-static int sdhci_pltfm_suspend(struct device *dev)
+int sdhci_pltfm_suspend(struct device *dev)
{
struct sdhci_host *host = dev_get_drvdata(dev);
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ int ret;
if (host->tuning_mode != SDHCI_TUNING_MODE_3)
mmc_retune_needed(host->mmc);
- return sdhci_suspend_host(host);
+ ret = sdhci_suspend_host(host);
+ if (ret)
+ return ret;
+
+ clk_disable_unprepare(pltfm_host->clk);
+
+ return 0;
}
+EXPORT_SYMBOL_GPL(sdhci_pltfm_suspend);
-static int sdhci_pltfm_resume(struct device *dev)
+int sdhci_pltfm_resume(struct device *dev)
{
struct sdhci_host *host = dev_get_drvdata(dev);
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ int ret;
+
+ ret = clk_prepare_enable(pltfm_host->clk);
+ if (ret)
+ return ret;
- return sdhci_resume_host(host);
+ ret = sdhci_resume_host(host);
+ if (ret)
+ clk_disable_unprepare(pltfm_host->clk);
+
+ return ret;
}
+EXPORT_SYMBOL_GPL(sdhci_pltfm_resume);
#endif
const struct dev_pm_ops sdhci_pltfm_pmops = {