From 81e888daab027e05130b0459e5d8e0b42dac4323 Mon Sep 17 00:00:00 2001
From: Shinobu Uehara <shinobu.uehara.xc@renesas.com>
Date: Sun, 24 Aug 2014 20:01:32 -0700
Subject: [PATCH] mmc: tmio: check ILL_FUNC instead of CBSY

Some controllers need to check SD bus status when writing data.
Then, it checks ILL_FUNC bit on SD_INFO2 register,
and this method is controlled via TMIO_MMC_HAS_IDLE_WAIT flags.
Same method is required on tmio_mmc_data_irq() which will
be called after writing data.

Current driver is checking CBSY bit for this purpose,
but, some controllers doesn't have CBSY bit.
This patch checks ILL_FUNC bit instead of CBSY bit
if it has TMIO_MMC_HAS_IDLE_WAIT flags

[Kuninori Morimoto: tidyuped for upstreaming]

Tested-by: Nguyen Xuan Nui <nx-nui@jinso.co.jp>
Tested-by: Hiep Cao Minh <cm-hiep@jinso.co.jp>
Signed-off-by: Shinobu Uehara <shinobu.uehara.xc@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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