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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-02 14:46:35 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-02 14:46:35 +0100
commitb6a09416e83ffe4eccfb4ef1b91b3b66483fa810 (patch)
treeb30f266e85047244dcdb47d5afc134e76aec530d /arch/arm64/include/asm/assembler.h
parentdb809859c8cee415293b830e67178f526d1eb2be (diff)
parent30a7acd573899fd8b8ac39236eff6468b195ac7d (diff)
downloadlinux-next-b6a09416e83ffe4eccfb4ef1b91b3b66483fa810.tar.gz
linux-next-b6a09416e83ffe4eccfb4ef1b91b3b66483fa810.zip
Merge 4.15-rc6 into char-misc-next
We want the fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/arm64/include/asm/assembler.h')
-rw-r--r--arch/arm64/include/asm/assembler.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h
index aef72d886677..8b168280976f 100644
--- a/arch/arm64/include/asm/assembler.h
+++ b/arch/arm64/include/asm/assembler.h
@@ -512,4 +512,14 @@ alternative_else_nop_endif
#endif
.endm
+/**
+ * Errata workaround prior to disable MMU. Insert an ISB immediately prior
+ * to executing the MSR that will change SCTLR_ELn[M] from a value of 1 to 0.
+ */
+ .macro pre_disable_mmu_workaround
+#ifdef CONFIG_QCOM_FALKOR_ERRATUM_E1041
+ isb
+#endif
+ .endm
+
#endif /* __ASM_ASSEMBLER_H */