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mmc: sdhci: prevent card detection activity for non-removable cards

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Do not enable card detection interrupts for non-removable cards.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Adrian Hunter 2011-12-27 15:48:42 +02:00 • committed by Chris Ball
commit c79396c191
1 changed files with 3 additions and 4 deletions
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7
drivers/mmc/host/sdhci.c
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@ -146,10 +146,9 @@ static void sdhci_set_card_detection(struct sdhci_host *host, bool enable)
{
u32 present, irqs;
if (host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION)
return;
if (host->quirks2 & SDHCI_QUIRK2_OWN_CARD_DETECTION)
if ((host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) ||
(host->quirks2 & SDHCI_QUIRK2_OWN_CARD_DETECTION) ||
!mmc_card_is_removable(host->mmc))
return;
present = sdhci_readl(host, SDHCI_PRESENT_STATE) &