From 05440dfcfcabde6fcf7297dfa5a29f0355b78ffb Mon Sep 17 00:00:00 2001
From: David Brownell <david-b@pacbell.net>
Date: Tue, 16 Oct 2007 01:28:21 -0700
Subject: [PATCH] rtc-cmos probe() cleanup

Some cleanups for the rtc-cmos probe logic:

 - Claim i/o ports with request_region() not request_resource(),
   for better coexistence betwen platform and pnp bus glues.

 - Claim those ports earlier, to help work around procfs bugs
   (it allows duplicate names, like /proc/driver/rtc).

 - Fix some glitches in cleanup code, notably a cut'n'paste-o
   where the i/o port region might not get released during
   cleanup after a probe fault.

And some comment clarifications, including noting that this code
must work with PNPBIOS not just PNPACPI..

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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