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path: root/drivers/mmc/host/sdhci-s3c.c
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Diffstat (limited to 'drivers/mmc/host/sdhci-s3c.c')
-rw-r--r--drivers/mmc/host/sdhci-s3c.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index a54dd5d7a5f..c9ec725884e 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -373,18 +373,25 @@ static struct sdhci_ops sdhci_s3c_ops = {
static void sdhci_s3c_notify_change(struct platform_device *dev, int state)
{
struct sdhci_host *host = platform_get_drvdata(dev);
+ struct sdhci_s3c *sc = sdhci_priv(host);
unsigned long flags;
if (host) {
spin_lock_irqsave(&host->lock, flags);
if (state) {
dev_dbg(&dev->dev, "card inserted.\n");
+#ifdef CONFIG_PM_RUNTIME
+ clk_prepare_enable(sc->clk_io);
+#endif
host->flags &= ~SDHCI_DEVICE_DEAD;
host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
} else {
dev_dbg(&dev->dev, "card removed.\n");
host->flags |= SDHCI_DEVICE_DEAD;
host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION;
+#ifdef CONFIG_PM_RUNTIME
+ clk_disable_unprepare(sc->clk_io);
+#endif
}
tasklet_schedule(&host->card_tasklet);
spin_unlock_irqrestore(&host->lock, flags);