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authorSeungwon Jeon <tgih.jun@samsung.com>2012-10-30 14:28:36 +0900
committerChris Ball <cjb@laptop.org>2012-11-07 15:40:52 -0500
commit0aa55c2367f082876f92660312214cd20c6a024b (patch)
tree999e2be6bd80b799b616b8d4e12a6aa5d79e6a8a /drivers
parent0f310a057feb91ff17a7f4d5f8405e73035084e2 (diff)
downloadlinux-0aa55c2367f082876f92660312214cd20c6a024b.tar.gz
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mmc/host/sdhci-s3c.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index a093e2ecaf80..a54dd5d7a5f9 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -747,7 +747,8 @@ static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
 		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 @@ static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
 		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);