diff options
| author | Seungwon Jeon <tgih.jun@samsung.com> | 2012-10-30 06:28:36 +0100 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2012-11-07 21:40:52 +0100 |
| commit | 0aa55c2367f082876f92660312214cd20c6a024b (patch) | |
| tree | 999e2be6bd80b799b616b8d4e12a6aa5d79e6a8a /drivers/mmc/host/sdhci-s3c.c | |
| parent | mmc: sdhci-s3c: use clk_prepare_enable and clk_disable_unprepare (diff) | |
| download | linux-0aa55c2367f082876f92660312214cd20c6a024b.tar.xz linux-0aa55c2367f082876f92660312214cd20c6a024b.zip | |
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/mmc/host/sdhci-s3c.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-s3c.c | 6 |
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); |