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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>