diff mbox

[2/3] mmc: sdhci: don't use card state polling when CD GPIO is defined

Message ID 1435312810-23957-3-git-send-email-ivan.ivanov@linaro.org (mailing list archive)
State Not Applicable, archived
Delegated to: Andy Gross
Headers show

Commit Message

Ivan T. Ivanov June 26, 2015, 10 a.m. UTC
There is no reason to use polling for card detection state change when
drivers are using dedicated GPIO for this. Don't poll in this case.

Signed-off-by: Ivan T. Ivanov <ivan.ivanov@linaro.org>
---
 drivers/mmc/host/sdhci.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--
1.9.1

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diff mbox

Patch

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 8bafb9f..0b65752 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -3121,7 +3121,8 @@  int sdhci_add_host(struct sdhci_host *host)
 		mmc->caps |= MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED;

 	if ((host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) &&
-	    !(mmc->caps & MMC_CAP_NONREMOVABLE))
+	    !(mmc->caps & MMC_CAP_NONREMOVABLE) &&
+	    IS_ERR_VALUE(mmc_gpio_get_cd(host->mmc)))
 		mmc->caps |= MMC_CAP_NEEDS_POLL;

 	/* If there are external regulators, get them */