m68k: Add asm/config.h

To avoid 'warning: no previous prototype for' errors, declare all the
parse_bootinfo and config function prototypes into asm/config.h and
include it in arch/m68k/kernel/setup_mm.c and arch/m68k/*/config.c.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Link: https://lore.kernel.org/r/20220121200738.2577697-2-laurent@vivier.eu
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>

Author: vivier

arch/m68k/amiga/config.c

@@ -37,6 +37,7 @@
 #include <asm/irq.h>
 #include <asm/machdep.h>
 #include <asm/io.h>
+#include <asm/config.h>
 
 static unsigned long amiga_model;
 

arch/m68k/apollo/config.c

@@ -16,6 +16,7 @@
 #include <asm/apollohw.h>
 #include <asm/irq.h>
 #include <asm/machdep.h>
+#include <asm/config.h>
 
 u_long sio01_physaddr;
 u_long sio23_physaddr;

arch/m68k/atari/config.c

@@ -46,6 +46,7 @@
 #include <asm/machdep.h>
 #include <asm/hwtest.h>
 #include <asm/io.h>
+#include <asm/config.h>
 
 u_long atari_mch_cookie;
 EXPORT_SYMBOL(atari_mch_cookie);

arch/m68k/bvme6000/config.c

@@ -36,6 +36,7 @@
 #include <asm/traps.h>
 #include <asm/machdep.h>
 #include <asm/bvme6000hw.h>
+#include <asm/config.h>
 
 static void bvme6000_get_model(char *model);
 extern void bvme6000_sched_init(void);

arch/m68k/hp300/config.c

@@ -22,6 +22,7 @@
 #include <asm/blinken.h>
 #include <asm/io.h>                               /* readb() and writeb() */
 #include <asm/hp300hw.h>
+#include <asm/config.h>
 
 #include "time.h"
 

arch/m68k/include/asm/config.h

@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+/*
+ * This file contains prototypes provided by each m68k machine
+ * to parse bootinfo data structures and to configure the machine
+ */
+
+#ifndef _M68K_CONFIG_H
+#define _M68K_CONFIG_H
+
+extern int amiga_parse_bootinfo(const struct bi_record *record);
+extern int apollo_parse_bootinfo(const struct bi_record *record);
+extern int atari_parse_bootinfo(const struct bi_record *record);
+extern int bvme6000_parse_bootinfo(const struct bi_record *record);
+extern int hp300_parse_bootinfo(const struct bi_record *record);
+extern int mac_parse_bootinfo(const struct bi_record *record);
+extern int mvme147_parse_bootinfo(const struct bi_record *record);
+extern int mvme16x_parse_bootinfo(const struct bi_record *record);
+extern int q40_parse_bootinfo(const struct bi_record *record);
+
+extern void config_amiga(void);
+extern void config_apollo(void);
+extern void config_atari(void);
+extern void config_bvme6000(void);
+extern void config_hp300(void);
+extern void config_mac(void);
+extern void config_mvme147(void);
+extern void config_mvme16x(void);
+extern void config_q40(void);
+extern void config_sun3(void);
+extern void config_sun3x(void);
+
+#endif /* _M68K_CONFIG_H */

arch/m68k/kernel/setup_mm.c

@@ -47,6 +47,7 @@
 #endif
 #include <asm/macintosh.h>
 #include <asm/natfeat.h>
+#include <asm/config.h>
 
 #if !FPSTATESIZE || !NR_IRQS
 #warning No CPU/platform type selected, your kernel will not work!
@@ -113,28 +114,6 @@ EXPORT_SYMBOL(isa_type);
 EXPORT_SYMBOL(isa_sex);
 #endif
 
-extern int amiga_parse_bootinfo(const struct bi_record *);
-extern int atari_parse_bootinfo(const struct bi_record *);
-extern int mac_parse_bootinfo(const struct bi_record *);
-extern int q40_parse_bootinfo(const struct bi_record *);
-extern int bvme6000_parse_bootinfo(const struct bi_record *);
-extern int mvme16x_parse_bootinfo(const struct bi_record *);
-extern int mvme147_parse_bootinfo(const struct bi_record *);
-extern int hp300_parse_bootinfo(const struct bi_record *);
-extern int apollo_parse_bootinfo(const struct bi_record *);
-
-extern void config_amiga(void);
-extern void config_atari(void);
-extern void config_mac(void);
-extern void config_sun3(void);
-extern void config_apollo(void);
-extern void config_mvme147(void);
-extern void config_mvme16x(void);
-extern void config_bvme6000(void);
-extern void config_hp300(void);
-extern void config_q40(void);
-extern void config_sun3x(void);
-
 #define MASK_256K 0xfffc0000
 
 extern void paging_init(void);

arch/m68k/mac/config.c

@@ -47,6 +47,7 @@
 #include <asm/mac_via.h>
 #include <asm/mac_oss.h>
 #include <asm/mac_psc.h>
+#include <asm/config.h>
 
 /* Mac bootinfo struct */
 struct mac_booter_data mac_bi_data;

arch/m68k/mvme147/config.c

@@ -34,6 +34,7 @@
 #include <asm/traps.h>
 #include <asm/machdep.h>
 #include <asm/mvme147hw.h>
+#include <asm/config.h>
 
 
 static void mvme147_get_model(char *model);

arch/m68k/mvme16x/config.c

@@ -37,6 +37,7 @@
 #include <asm/traps.h>
 #include <asm/machdep.h>
 #include <asm/mvme16xhw.h>
+#include <asm/config.h>
 
 extern t_bdid mvme_bdid;