Commit 66385ea2 authored Apr 07, 2014 by Sahitya Tummala

mmc: sdhci: Fix issue with host op card_event()



For controllers that doesn't support card insertion/removal i.e.,
when the quirk SDHCI_QUIRK_BROKEN_CARD_DETECTION is defined,
card_event() host op must not rely on present state register
to check the card's status.

CRs-fixed: 644221
Change-Id: Icff6db0d8fe17f01cf751896ae09aee215edc548
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>

parent 38febb2c

drivers/mmc/host/sdhci.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -2542,6 +2542,9 @@ static void sdhci_card_event(struct mmc_host *mmc)
		struct sdhci_host *host = mmc_priv(mmc);
		unsigned long flags;

		if (host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION)
		return;

		spin_lock_irqsave(&host->lock, flags);

		/* Check host->mrq first in case we are runtime suspended */