From c5abd5e8998e20c2e82999670a03f26f1437d744 Mon Sep 17 00:00:00 2001
From: Matthieu CASTET <matthieu.castet@parrot.com>
Date: Thu, 14 Aug 2014 16:03:17 +0200
Subject: [PATCH] sdhci : handle busy timeout irq

When we wait for busy after sending a command, if there is
a timeout, we got SDHCI_INT_DATA_TIMEOUT flags.
Before this commit we got the message :
"Got data interrupt 0x00100000 even though no data  operation was in progress."
and we need to wait 10s that sdhci_timeout_timer expires.

Signed-off-by: Matthieu CASTET <matthieu.castet@parrot.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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