ARM: proc-v7: clean up MIDR access
authorRussell King <rmk+kernel@arm.linux.org.uk>
Sat, 4 Apr 2015 20:36:35 +0000 (21:36 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Mon, 1 Jun 2015 22:48:41 +0000 (23:48 +0100)
We already have the main ID register available in r9, there's no need
to refetch it.  Use the saved value.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/mm/proc-v7.S

Simple merge