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

From: Ben Hutchings
Date: Sat Apr 01 2017 - 23:11:29 EST


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

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

From: Paul Burton <paul.burton@xxxxxxxxxx>

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@xxxxxxxxxx>
Cc: linux-mips@xxxxxxxxxxxxxx
Patchwork: https://patchwork.linux-mips.org/patch/7299/
Signed-off-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
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)