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authorRussell King <rmk+kernel@arm.linux.org.uk>2013-03-09 10:49:32 -0500
committerRussell King <rmk+kernel@arm.linux.org.uk>2013-03-09 10:49:32 -0500
commit73a09d212ec65b7068a283e6034fa05649d3d075 (patch)
tree07e08fb552afd3e0a239e103b9f9cf571593316b /arch/arm/mm/mmu.c
parent6dbe51c251a327e012439c4772097a13df43c5b8 (diff)
parent6ebd4d038dbb626a43d87db3007e71f92f49d7b3 (diff)
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 = {
112 } 112 }
113}; 113};
114 114
115#ifdef CONFIG_CPU_CP15
115/* 116/*
116 * These are useful for identifying cache coherency 117 * These are useful for identifying cache coherency
117 * problems by allowing the cache or the cache and 118 * problems by allowing the cache or the cache and
@@ -210,6 +211,22 @@ void adjust_cr(unsigned long mask, unsigned long set)
210} 211}
211#endif 212#endif
212 213
214#else /* ifdef CONFIG_CPU_CP15 */
215
216static int __init early_cachepolicy(char *p)
217{
218 pr_warning("cachepolicy kernel parameter not supported without cp15\n");
219}
220early_param("cachepolicy", early_cachepolicy);
221
222static int __init noalign_setup(char *__unused)
223{
224 pr_warning("noalign kernel parameter not supported without cp15\n");
225}
226__setup("noalign", noalign_setup);
227
228#endif /* ifdef CONFIG_CPU_CP15 / else */
229
213#define PROT_PTE_DEVICE L_PTE_PRESENT|L_PTE_YOUNG|L_PTE_DIRTY|L_PTE_XN 230#define PROT_PTE_DEVICE L_PTE_PRESENT|L_PTE_YOUNG|L_PTE_DIRTY|L_PTE_XN
214#define PROT_SECT_DEVICE PMD_TYPE_SECT|PMD_SECT_AP_WRITE 231#define PROT_SECT_DEVICE PMD_TYPE_SECT|PMD_SECT_AP_WRITE
215 232