From: Juri Lelli <juri.lelli@arm.com>
Date: Fri, 15 Aug 2014 14:53:14 +0000 (+0100)
Subject: ARM: 8130/1: cpuidle/cpuidle-big_little: fix reading cpu id part number
X-Git-Tag: omap-fixes-against-v3.17-rc3~16^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eba1c71819d210f5e0d522571f9b8abce94fe9c5;p=pandora-kernel.git

ARM: 8130/1: cpuidle/cpuidle-big_little: fix reading cpu id part number

Commit af040ffc9ba1 ("ARM: make it easier to check the CPU part number
correctly") changed ARM_CPU_PART_X masks, and the way they are returned and
checked against. Usage of read_cpuid_part_number() is now deprecated, and
calling places updated accordingly. This actually broke cpuidle-big_little
initialization, as bl_idle_driver_init() performs a check using an hardcoded
mask on cpu_id.

Create an interface to perform the check (that is now even easier to read).
Define also a proper mask (ARM_CPU_PART_MASK) that makes this kind of checks
cleaner and helps preventing bugs in the future. Update usage accordingly.

Signed-off-by: Juri Lelli <juri.lelli@arm.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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