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authorRalf Baechle <ralf@linux-mips.org>2013-05-08 01:27:46 +0200
committerRalf Baechle <ralf@linux-mips.org>2013-05-08 01:27:46 +0200
commit9b3539e0e545e4c2f338acfc1ce52033a6f5e7f7 (patch)
tree5c56e4a208dbe7e985e59911e1a421a7c1ee024c /arch/arm/include/asm/tlbflush.h
parent3d39019a1655d195a60a86ebf38f9da30bd83d03 (diff)
parent1cd1c049271233deccfcc75123afa7f39a607f5a (diff)
downloadop-kernel-dev-9b3539e0e545e4c2f338acfc1ce52033a6f5e7f7.zip
op-kernel-dev-9b3539e0e545e4c2f338acfc1ce52033a6f5e7f7.tar.gz
Merge branch 'mips-next-3.10' of git://git.linux-mips.org/pub/scm/john/linux-john into mips-for-linux-next
Diffstat (limited to 'arch/arm/include/asm/tlbflush.h')
-rw-r--r--arch/arm/include/asm/tlbflush.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm/include/asm/tlbflush.h b/arch/arm/include/asm/tlbflush.h
index 4db8c88..9e9c041 100644
--- a/arch/arm/include/asm/tlbflush.h
+++ b/arch/arm/include/asm/tlbflush.h
@@ -450,6 +450,21 @@ static inline void local_flush_bp_all(void)
isb();
}
+#ifdef CONFIG_ARM_ERRATA_798181
+static inline void dummy_flush_tlb_a15_erratum(void)
+{
+ /*
+ * Dummy TLBIMVAIS. Using the unmapped address 0 and ASID 0.
+ */
+ asm("mcr p15, 0, %0, c8, c3, 1" : : "r" (0));
+ dsb();
+}
+#else
+static inline void dummy_flush_tlb_a15_erratum(void)
+{
+}
+#endif
+
/*
* flush_pmd_entry
*
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