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Subject[PATCH 05/18] arm64: mm: Rename post_ttbr0_update_workaround
Date
The post_ttbr0_update_workaround hook applies to any change to TTBRx_EL1.
Since we're using TTBR1 for the ASID, rename the hook to make it clearer
as to what it's doing.

Signed-off-by: Will Deacon <will.deacon@arm.com>
---
arch/arm64/include/asm/assembler.h | 5 ++---
arch/arm64/kernel/entry.S | 2 +-
arch/arm64/mm/proc.S | 2 +-
3 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h
index 8359148858cb..622316a8c82b 100644
--- a/arch/arm64/include/asm/assembler.h
+++ b/arch/arm64/include/asm/assembler.h
@@ -464,10 +464,9 @@ alternative_endif
.endm

/*
-/*
- * Errata workaround post TTBR0_EL1 update.
+ * Errata workaround post TTBRx_EL1 update.
*/
- .macro post_ttbr0_update_workaround
+ .macro post_ttbr_update_workaround
#ifdef CONFIG_CAVIUM_ERRATUM_27456
alternative_if ARM64_WORKAROUND_CAVIUM_27456
ic iallu
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
index e1c59d4008a8..dd5fa2c3d489 100644
--- a/arch/arm64/kernel/entry.S
+++ b/arch/arm64/kernel/entry.S
@@ -255,7 +255,7 @@ alternative_else_nop_endif
* Cavium erratum 27456 (broadcast TLBI instructions may cause I-cache
* corruption).
*/
- post_ttbr0_update_workaround
+ post_ttbr_update_workaround
.endif
1:
.if \el != 0
diff --git a/arch/arm64/mm/proc.S b/arch/arm64/mm/proc.S
index 1623150ed0a6..447537c1699d 100644
--- a/arch/arm64/mm/proc.S
+++ b/arch/arm64/mm/proc.S
@@ -145,7 +145,7 @@ ENTRY(cpu_do_switch_mm)
isb
msr ttbr0_el1, x0 // now update TTBR0
isb
- post_ttbr0_update_workaround
+ post_ttbr_update_workaround
ret
ENDPROC(cpu_do_switch_mm)

--
2.1.4
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