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authorRussell King <rmk+kernel@arm.linux.org.uk>2013-03-09 16:49:32 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2013-03-09 16:49:32 +0100
commit73a09d212ec65b7068a283e6034fa05649d3d075 (patch)
tree07e08fb552afd3e0a239e103b9f9cf571593316b /arch/arm/mm/mmu.c
parentLinux 3.9-rc1 (diff)
parentARM: stub out read_cpuid and read_cpuid_ext for CPU_CP15=n (diff)
downloadlinux-73a09d212ec65b7068a283e6034fa05649d3d075.tar.xz
linux-73a09d212ec65b7068a283e6034fa05649d3d075.zip
Merge branch 'for-next' of git://git.pengutronix.de/git/ukl/linux into devel-stable
Conflicts: arch/arm/include/asm/cputype.h Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/mmu.c')
-rw-r--r--arch/arm/mm/mmu.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index e95a996ab78f..c6d45c87540e 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -112,6 +112,7 @@ static struct cachepolicy cache_policies[] __initdata = {
}
};
+#ifdef CONFIG_CPU_CP15
/*
* These are useful for identifying cache coherency
* problems by allowing the cache or the cache and
@@ -210,6 +211,22 @@ void adjust_cr(unsigned long mask, unsigned long set)
}
#endif
+#else /* ifdef CONFIG_CPU_CP15 */
+
+static int __init early_cachepolicy(char *p)
+{
+ pr_warning("cachepolicy kernel parameter not supported without cp15\n");
+}
+early_param("cachepolicy", early_cachepolicy);
+
+static int __init noalign_setup(char *__unused)
+{
+ pr_warning("noalign kernel parameter not supported without cp15\n");
+}
+__setup("noalign", noalign_setup);
+
+#endif /* ifdef CONFIG_CPU_CP15 / else */
+
#define PROT_PTE_DEVICE L_PTE_PRESENT|L_PTE_YOUNG|L_PTE_DIRTY|L_PTE_XN
#define PROT_SECT_DEVICE PMD_TYPE_SECT|PMD_SECT_AP_WRITE