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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>
wifi-calibration
Seungwon Jeon 2012-10-30 14:28:36 +09:00 committed by Chris Ball
parent 0f310a057f
commit 0aa55c2367
1 changed files with 4 additions and 2 deletions
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6
drivers/mmc/host/sdhci-s3c.c
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@ -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);