From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Date: Sun, 30 Jun 2013 21:46:02 +0000 (+0200)
Subject: ACPI / dock: Rework and simplify find_dock_devices()
X-Git-Tag: v3.12-rc1~178^2~17^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=96c0a4d4902c3d5f56bde95d3e2d96689ca64b6d;p=pandora-kernel.git

ACPI / dock: Rework and simplify find_dock_devices()

Since acpi_walk_namespace() calls find_dock_devices() during tree
pre-order visit, the latter doesn't need to add devices whose
parents have _EJD pointing to the docking station to the list of
that station's dependent devices, because those parents are going to
be added to that list anyway and the removal of a parent will take
care of the removal of its children in those cases.

For this reason, rework find_dock_devices() to only call
add_dock_dependent_device() for devices whose _EJD point directy to
the docking station represented by its context argument and simplify
it slightly.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Acked-by: Yinghai Lu <yinghai@kernel.org>
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