From c79396c191bc19703df6eb6bbd0f673ed0df6c9d Mon Sep 17 00:00:00 2001
From: Adrian Hunter <adrian.hunter@intel.com>
Date: Tue, 27 Dec 2011 15:48:42 +0200
Subject: [PATCH] mmc: sdhci: prevent card detection activity for non-removable
cards
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>
---
drivers/mmc/host/sdhci.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 6a35d03681178..e6c6cd6e95f23 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -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) &
--
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