ARM: 5845/1: l2x0: check whether l2x0 already enabled
authorSrinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Wed, 2 Dec 2009 05:18:03 +0000 (06:18 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Thu, 3 Dec 2009 19:42:30 +0000 (19:42 +0000)
commit48371cd3f4226275c529bb8675a99572db19cc7c
treec76042ed297179c2c4823d11f2c9d7447049ae1a
parent1f739d7643c4cf78b4f2d9d620c4305aafc7d3b9
ARM: 5845/1: l2x0: check whether l2x0 already enabled

If running in non-secure mode accessing
some registers of l2x0 will fault. So
check if l2x0 is already enabled, if so
do not access those secure registers.

Signed-off-by: srinidhi kasagar <srinidhi.kasagar@stericsson.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
arch/arm/mm/cache-l2x0.c