linux-kernel - [PATCH 17/52] m68k: amiga: Add and use "amiga.h"

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Message-Id: <167b484b2e2f73a23768f94fdc7b2dce91aed5d5.1694093327.git.geert@linux-m68k.org>
Date:   Thu,  7 Sep 2023 15:41:18 +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 17/52] m68k: amiga: Add and use "amiga.h"

When building with W=1:

    arch/m68k/amiga/amisound.c:48:13: warning: no previous prototype for ‘amiga_init_sound’ [-Wmissing-prototypes]
       48 | void __init amiga_init_sound(void)
	  |             ^~~~~~~~~~~~~~~~
    arch/m68k/amiga/amisound.c:71:6: warning: no previous prototype for ‘amiga_mksound’ [-Wmissing-prototypes]
       71 | void amiga_mksound( unsigned int hz, unsigned int ticks )
	  |      ^~~~~~~~~~~~~

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

Signed-off-by: Geert Uytterhoeven <geert@...ux-m68k.org>
---
 arch/m68k/amiga/amiga.h    | 5 +++++
 arch/m68k/amiga/amisound.c | 2 ++
 arch/m68k/amiga/config.c   | 4 ++--
 3 files changed, 9 insertions(+), 2 deletions(-)
 create mode 100644 arch/m68k/amiga/amiga.h

diff --git a/arch/m68k/amiga/amiga.h b/arch/m68k/amiga/amiga.h
new file mode 100644
index 0000000000000000..00392781442cb91a
--- /dev/null
+++ b/arch/m68k/amiga/amiga.h
@@ -0,0 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+/* amisound.c */
+void amiga_init_sound(void);
+void amiga_mksound(unsigned int hz, unsigned int ticks);
diff --git a/arch/m68k/amiga/amisound.c b/arch/m68k/amiga/amisound.c
index 442bdeee6bd7920c..714fe8ec6afa3364 100644
--- a/arch/m68k/amiga/amisound.c
+++ b/arch/m68k/amiga/amisound.c
@@ -16,6 +16,8 @@
 
 #include <asm/amigahw.h>
 
+#include "amiga.h"
+
 static unsigned short *snd_data;
 static const signed char sine_data[] = {
 	0,  39,  75,  103,  121,  127,  121,  103,  75,  39,
diff --git a/arch/m68k/amiga/config.c b/arch/m68k/amiga/config.c
index 3137b45750dfcea7..7791673e547bf795 100644
--- a/arch/m68k/amiga/config.c
+++ b/arch/m68k/amiga/config.c
@@ -39,6 +39,8 @@
 #include <asm/io.h>
 #include <asm/config.h>
 
+#include "amiga.h"
+
 static unsigned long amiga_model;
 
 unsigned long amiga_eclock;
@@ -96,9 +98,7 @@ static char amiga_model_name[13] = "Amiga ";
 static void amiga_sched_init(void);
 static void amiga_get_model(char *model);
 static void amiga_get_hardware_list(struct seq_file *m);
-extern void amiga_mksound(unsigned int count, unsigned int ticks);
 static void amiga_reset(void);
-extern void amiga_init_sound(void);
 static void amiga_mem_console_write(struct console *co, const char *b,
 				    unsigned int count);
 #ifdef CONFIG_HEARTBEAT
-- 
2.34.1