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authorDong Aisheng <b29396@freescale.com>2012-03-28 15:58:48 +0800
committerEric Nelson <eric.nelson@boundarydevices.com>2012-08-28 09:44:48 -0700
commitd736b74e45bbf455f304aac8a402edbc4aad1b3e (patch)
treeeb0f7b27aa7f19628579a2d50e885f283943f828 /include
parentce57e17343559ee15ccdbfaa251abacfa8658883 (diff)
ENGR00178290-2 mmc: sdhci: introduce QUIRK_BROKEN_AUTO_CMD23 for mx6
We observed a few commands timeout when using auto cmd23. The root cause is still unkonwn. This patch is a workaround to not use auto cmd23 temporarily. Signed-off-by: Dong Aisheng <b29396@freescale.com>
Diffstat (limited to 'include')
-rw-r--r--include/linux/mmc/sdhci.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/mmc/sdhci.h b/include/linux/mmc/sdhci.h
index d9dca2739cb5..a477e2e2093c 100644
--- a/include/linux/mmc/sdhci.h
+++ b/include/linux/mmc/sdhci.h
@@ -93,6 +93,9 @@ struct sdhci_host {
/* The read-only detection via SDHCI_PRESENT_STATE register is unstable */
#define SDHCI_QUIRK_UNSTABLE_RO_DETECT (1<<31)
+ unsigned int quirks2; /* More deviations from spec. */
+#define SDHCI_QUIRK_BROKEN_AUTO_CMD23 (1<<0)
+
int irq; /* Device IRQ */
void __iomem *ioaddr; /* Mapped address */