From: Ulf Hansson <ulf.hansson@linaro.org>
Date: Mon, 10 Jun 2013 15:03:37 +0000 (+0200)
Subject: mmc: core: Validate suspend prerequisites for SDIO at SUSPEND_PREPARE
X-Git-Tag: v3.11-rc1~50^2~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=810caddba42a54fe5db4e2664757a9a334ba359c;p=pandora-kernel.git

mmc: core: Validate suspend prerequisites for SDIO at SUSPEND_PREPARE

This patch moves the validation for all the suspend prerequisites to be
done at SUSPEND_PREPARE notification. Previously in the SDIO case parts
of the validation was done from mmc_suspend_host.

This patch invents a new pre_suspend bus_ops callback and implements it
for SDIO. Returning an error code from it, will mean at SUSPEND_PREPARE
notification, the card will be removed before proceeding with the
suspend sequence.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
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