From: Lan Tianyu <tianyu.lan@intel.com>
Date: Wed, 1 Apr 2015 01:47:18 +0000 (+0800)
Subject: ACPI / EC: Call acpi_walk_dep_device_list() after installing EC opregion handler
X-Git-Tag: omap-for-v4.1/fixes-rc1~144^2~7^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1c832b3e85b6ac35e5f113fa4204eb725c54794e;p=pandora-kernel.git

ACPI / EC: Call acpi_walk_dep_device_list() after installing EC opregion handler

On some machines(E,G Mircosoft surface 3), ACPI battery depends on
the EC operation region and it has _DEP method which contains EC.
Current code doesn't support such devices whose dep_unmet will be
not be decreased after EC opregion handler being installed. This
blocks battery device to be attached with its driver. This patch
is to fix the issue.

Link: https://bugzilla.kernel.org/show_bug.cgi?id=90161
Reported-and-tested-by: Lompik <lompik@voila.fr>
Tested-by: Valentin Lab <valentin.lab_bugzilla.kernel.org@kalysto.org>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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