If host clock is disabled, host cannot detect a card
in case of using the internal or gpio card-detect for detection.
Signed-off-by: Seungwon Jeon <tgih....@samsung.com>
Tested-by: Heiko Stuebner <he...@sntech.de>
---
I've added the SDHCI_CD_GPIO to the conditional. With this change it works
on my machine. But I'm not sure if this would also be necessary for the
external card detect.
drivers/mmc/host/sdhci-s3c.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
index 0cabf18..649dc32 100644
--- a/drivers/mmc/host/sdhci-s3c.c
+++ b/drivers/mmc/host/sdhci-s3c.c
@@ -750,7 +750,9 @@ static int __devinit sdhci_s3c_probe(struct platform_device
*pdev)
sdhci_s3c_setup_card_detect_gpio(sc);
#ifdef CONFIG_PM_RUNTIME
- clk_disable(sc->clk_io);
+ if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL &&
+ pdata->cd_type != S3C_SDHCI_CD_GPIO)
+ clk_disable(sc->clk_io);
#endif
return 0;
@@ -797,7 +799,9 @@ static int __devexit sdhci_s3c_remove(struct
platform_device *pdev)
gpio_free(sc->ext_cd_gpio);
#ifdef CONFIG_PM_RUNTIME
- clk_enable(sc->clk_io);
+ if (pdata->cd_type != S3C_SDHCI_CD_INTERNAL &&
+ pdata->cd_type != S3C_SDHCI_CD_GPIO)
+ clk_enable(sc->clk_io);
#endif
sdhci_remove_host(host, 1);
--
1.7.2.3
--
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