linux-kernel - [PATCH 1/2] powerpc/math

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Date:   Fri,  2 Sep 2022 11:27:05 +0200
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>
Cc:     Christophe Leroy <christophe.leroy@...roup.eu>,
        linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        kernel test robot <lkp@...el.com>,
        Nathan Chancellor <nathan@...nel.org>
Subject: [PATCH 1/2] powerpc/math_emu/efp: Include module.h

From: Nathan Chancellor <nathan@...nel.org>

When building with a recent version of clang, there are a couple of
errors around the call to module_init():

  arch/powerpc/math-emu/math_efp.c:927:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
  module_init(spe_mathemu_init);
  ^
  int
  arch/powerpc/math-emu/math_efp.c:927:13: error: a parameter list without types is only allowed in a function definition
  module_init(spe_mathemu_init);
              ^
  2 errors generated.

module_init() is a macro, which is not getting expanded because module.h
is not included in this file. Add the include so that the macro can
expand properly, clearing up the build failure.

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Nathan Chancellor <nathan@...nel.org>
Reviewed-by: Christophe Leroy <christophe.leroy@...roup.eu>
Fixes: ac6f120369ff ("powerpc/85xx: Workaroudn e500 CPU erratum A005")
[chleroy: added fixes tag]
Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/math-emu/math_efp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/math-emu/math_efp.c b/arch/powerpc/math-emu/math_efp.c
index 39b84e7452e1..aa3bb8da1cb9 100644
--- a/arch/powerpc/math-emu/math_efp.c
+++ b/arch/powerpc/math-emu/math_efp.c
@@ -17,6 +17,7 @@
 
 #include <linux/types.h>
 #include <linux/prctl.h>
+#include <linux/module.h>
 
 #include <linux/uaccess.h>
 #include <asm/reg.h>
-- 
2.37.1