linux-kernel - [PATCH 3.16 20/26] MIPS: allow msa.h to be included in assembly files

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Date:   Sun, 02 Apr 2017 04:04:24 +0100
From:   Ben Hutchings <ben@...adent.org.uk>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC:     akpm@...ux-foundation.org, linux-mips@...ux-mips.org,
        "Ralf Baechle" <ralf@...ux-mips.org>,
        "Paul Burton" <paul.burton@...tec.com>
Subject: [PATCH 3.16 20/26] MIPS: allow msa.h to be included in assembly files

3.16.43-rc2 review patch.  If anyone has any objections, please let me know.

------------------

From: Paul Burton <paul.burton@...tec.com>

commit 558155a0a731b4f56846559a57ca7ca921230497 upstream.

Just #ifdef away the C functions when included from an assembly file,
as will be done in a following commit.

Signed-off-by: Paul Burton <paul.burton@...tec.com>
Cc: linux-mips@...ux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/7299/
Signed-off-by: Ralf Baechle <ralf@...ux-mips.org>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 arch/mips/include/asm/msa.h | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/arch/mips/include/asm/msa.h b/arch/mips/include/asm/msa.h
index 538f6d482db8..e80e85c1334f 100644
--- a/arch/mips/include/asm/msa.h
+++ b/arch/mips/include/asm/msa.h
@@ -12,6 +12,8 @@
 
 #include <asm/mipsregs.h>
 
+#ifndef __ASSEMBLY__
+
 extern void _save_msa(struct task_struct *);
 extern void _restore_msa(struct task_struct *);
 
@@ -133,15 +135,6 @@ static inline void write_msa_##name(unsigned int val)		\
 
 #endif /* !TOOLCHAIN_SUPPORTS_MSA */
 
-#define MSA_IR		0
-#define MSA_CSR		1
-#define MSA_ACCESS	2
-#define MSA_SAVE	3
-#define MSA_MODIFY	4
-#define MSA_REQUEST	5
-#define MSA_MAP		6
-#define MSA_UNMAP	7
-
 __BUILD_MSA_CTL_REG(ir, 0)
 __BUILD_MSA_CTL_REG(csr, 1)
 __BUILD_MSA_CTL_REG(access, 2)
@@ -151,6 +144,17 @@ __BUILD_MSA_CTL_REG(request, 5)
 __BUILD_MSA_CTL_REG(map, 6)
 __BUILD_MSA_CTL_REG(unmap, 7)
 
+#endif /* !__ASSEMBLY__ */
+
+#define MSA_IR		0
+#define MSA_CSR		1
+#define MSA_ACCESS	2
+#define MSA_SAVE	3
+#define MSA_MODIFY	4
+#define MSA_REQUEST	5
+#define MSA_MAP		6
+#define MSA_UNMAP	7
+
 /* MSA Implementation Register (MSAIR) */
 #define MSA_IR_REVB		0
 #define MSA_IR_REVF		(_ULCAST_(0xff) << MSA_IR_REVB)