From bf04a77227db76f163bc2355ef4e176794987be2 Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bjorn.helgaas@hp.com>
Date: Wed, 8 Apr 2009 15:39:54 +0000
Subject: [PATCH] ACPI: button: cache hid/name/class pointers

This patch adds temporaries to cache the acpi_device_hid(),
acpi_device_name(), and acpi_device_class() pointers so we
don't have to clutter the code with so many uses of those
interfaces.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
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