mmc: sdhci-s3c: fix the card detection in runtime-pm
If host clock is disabled, host cannot detect a card in case of using
CD internal for detection.
Signed-off-by: Seungwon Jeon <tgih.jun@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index a093e2e..a54dd5d 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -747,7 +747,8 @@
sdhci_s3c_setup_card_detect_gpio(sc);
#ifdef CONFIG_PM_RUNTIME
- clk_disable_unprepare(sc->clk_io);
+ if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL)
+ clk_disable_unprepare(sc->clk_io);
#endif
return 0;
@@ -794,7 +795,8 @@
gpio_free(sc->ext_cd_gpio);
#ifdef CONFIG_PM_RUNTIME
- clk_prepare_enable(sc->clk_io);
+ if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL)
+ clk_prepare_enable(sc->clk_io);
#endif
sdhci_remove_host(host, 1);
