From: Jonathan Austin Date: Thu, 12 Jul 2012 13:38:46 +0000 (+0100) Subject: ARM: select CPU_CPU15_MMU/MPU appropriately X-Git-Tag: firefly_0821_release~176^2~5810^2^2~5^2~11 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=66567618f37269ec55febee4dcec2a1dec1033a0;p=firefly-linux-kernel-4.4.55.git ARM: select CPU_CPU15_MMU/MPU appropriately Currently CPU_V7 selects CPU_CP15_MMU, however in the case of a V7 CPU implementing the PMSA, such as the Cortex-R7, the CP15_MMU operations are not available. Selecting CPU_CP15_MPU is appropriate in this case. This patch makes CPU_CP15_MMU dependent on the use of the MMU, selecting CPU_CP15_MPU for v7 processors when !MMU is chosen. Signed-off-by: Jonathan Austin --- diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 9e8101ecd63e..6cacdc8dd654 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -392,7 +392,8 @@ config CPU_V7 select CPU_CACHE_V7 select CPU_CACHE_VIPT select CPU_COPY_V6 if MMU - select CPU_CP15_MMU + select CPU_CP15_MMU if MMU + select CPU_CP15_MPU if !MMU select CPU_HAS_ASID if MMU select CPU_PABRT_V7 select CPU_TLB_V7 if MMU