linux-kernel - [PATCH v2 06/52] m68k: kernel: Add and use "process.h"

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Message-Id: <5e50257d8fcae3eb202ce5f439dc29c09cb6c44f.1694613528.git.geert@linux-m68k.org>
Date:   Wed, 13 Sep 2023 16:07:56 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     linux-m68k@...ts.linux-m68k.org
Cc:     Arnd Bergmann <arnd@...db.de>, Finn Thain <fthain@...ux-m68k.org>,
        Michael Schmitz <schmitzmic@...il.com>,
        Philip Blundell <philb@....org>,
        Greg Ungerer <gerg@...ux-m68k.org>,
        Joshua Thompson <funaho@...ai.org>,
        Sam Creasey <sammy@...my.net>,
        Laurent Vivier <laurent@...ier.eu>,
        linux-kernel@...r.kernel.org,
        Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH v2 06/52] m68k: kernel: Add and use "process.h"

When building with W=1:

    arch/m68k/kernel/process.c:115:16: warning: no previous prototype for ‘m68k_clone’ [-Wmissing-prototypes]
      115 | asmlinkage int m68k_clone(struct pt_regs *regs)
	  |                ^~~~~~~~~~
    arch/m68k/kernel/process.c:136:16: warning: no previous prototype for ‘m68k_clone3’ [-Wmissing-prototypes]
      136 | asmlinkage int m68k_clone3(struct pt_regs *regs)
	  |                ^~~~~~~~~~~

Fix this by introducing a new header file "process.h" for holding the
prototypes of functions implemented in arch/m68k/kernel/process.c.

Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
Acked-by: Arnd Bergmann <arnd@...db.de>
---
v2:
  - Add Acked-by,
  - Include "process.h" instead of <process.h>, to fix in-tree builds.
---
 arch/m68k/kernel/process.c | 1 +
 arch/m68k/kernel/process.h | 8 ++++++++
 2 files changed, 9 insertions(+)
 create mode 100644 arch/m68k/kernel/process.h

diff --git a/arch/m68k/kernel/process.c b/arch/m68k/kernel/process.c
index e06ce147c0b7fcf2..2584e94e213468f1 100644
--- a/arch/m68k/kernel/process.c
+++ b/arch/m68k/kernel/process.c
@@ -38,6 +38,7 @@
 #include <asm/machdep.h>
 #include <asm/setup.h>
 
+#include "process.h"
 
 asmlinkage void ret_from_fork(void);
 asmlinkage void ret_from_kernel_thread(void);
diff --git a/arch/m68k/kernel/process.h b/arch/m68k/kernel/process.h
new file mode 100644
index 0000000000000000..d31745f2e64bebab
--- /dev/null
+++ b/arch/m68k/kernel/process.h
@@ -0,0 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#include <linux/linkage.h>
+
+struct pt_regs;
+
+asmlinkage int m68k_clone(struct pt_regs *regs);
+asmlinkage int m68k_clone3(struct pt_regs *regs);
-- 
2.34.1