From e91a398c31cef2d51786642e372c503cd43fba90 Mon Sep 17 00:00:00 2001
From: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com>
Date: Sat, 1 Aug 2015 02:39:43 +0200
Subject: [PATCH] ACPI / bus: Move duplicate code to a separate new function

After merging commit 712e960f0ee9 (ACPI / PM: Attach ACPI power
domain only once) with commit 1dcc3d3362b0 (ACPI / bus: Move ACPI
bus type registration) there is some duplicate code in
acpi_device_is_first_physical_node() and acpi_companion_match()
that can be moved to a separate routine and called from both
places.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
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