When building with W=1:
arch/m68k/sun3/idprom.c:86:6: warning: no previous prototype for ‘sun3_get_model’ [-Wmissing-prototypes]
86 | void sun3_get_model(char *model)
| ^~~~~~~~~~~~~~
arch/m68k/sun3/config.c:53:24: warning: no previous prototype for ‘sun3_init’ [-Wmissing-prototypes]
53 | asmlinkage void __init sun3_init(void)
| ^~~~~~~~~
arch/m68k/sun3/mmu_emu.c:117:6: warning: no previous prototype for ‘print_pte_vaddr’ [-Wmissing-prototypes]
117 | void print_pte_vaddr (unsigned long vaddr)
| ^~~~~~~~~~~~~~~
arch/m68k/sun3/mmu_emu.c:126:13: warning: no previous prototype for ‘mmu_emu_init’ [-Wmissing-prototypes]
126 | void __init mmu_emu_init(unsigned long bootmem_end)
| ^~~~~~~~~~~~
arch/m68k/sun3/mmu_emu.c:353:5: warning: no previous prototype for ‘mmu_emu_handle_fault’ [-Wmissing-prototypes]
353 | int mmu_emu_handle_fault (unsigned long vaddr, int read_flag, int kernel_fault)
| ^~~~~~~~~~~~~~~~~~~~
arch/m68k/sun3/leds.c:6:6: warning: no previous prototype for ‘sun3_leds’ [-Wmissing-prototypes]
6 | void sun3_leds(unsigned char byte)
| ^~~~~~~~~
arch/m68k/sun3/intersil.c:27:5: warning: no previous prototype for ‘sun3_hwclk’ [-Wmissing-prototypes]
27 | int sun3_hwclk(int set, struct rtc_time *t)
| ^~~~~~~~~~
arch/m68k/sun3x/config.c:30:6: warning: no previous prototype for ‘sun3_leds’ [-Wmissing-prototypes]
30 | void sun3_leds(unsigned char byte)
| ^~~~~~~~~
Fix this by introducing a new header file "sun3.h" for holding the
prototypes of functions implemented in arch/m68k/sun3/ and
arch/m68k/sun3x/.
Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
---
arch/m68k/kernel/traps.c | 2 +-
arch/m68k/mm/sun3kmap.c | 6 ++----
arch/m68k/mm/sun3mmu.c | 2 +-
arch/m68k/sun3/config.c | 4 ++--
arch/m68k/sun3/idprom.c | 2 ++
arch/m68k/sun3/intersil.c | 1 +
arch/m68k/sun3/leds.c | 2 ++
arch/m68k/sun3/mmu_emu.c | 1 +
arch/m68k/sun3/sun3.h | 22 ++++++++++++++++++++++
arch/m68k/sun3/sun3ints.c | 2 +-
arch/m68k/sun3x/config.c | 3 +--
11 files changed, 36 insertions(+), 11 deletions(-)
create mode 100644 arch/m68k/sun3/sun3.h
diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c
index 129c89349e1a40aa..8ee773d29954921c 100644
--- a/arch/m68k/kernel/traps.c
+++ b/arch/m68k/kernel/traps.c
@@ -364,7 +364,7 @@ static inline void access_error040(struct frame *fp)
#if defined(CONFIG_SUN3)
#include <asm/sun3mmu.h>
-extern int mmu_emu_handle_fault (unsigned long, int, int);
+#include "../sun3/sun3.h"
/* sun3 version of bus_error030 */
diff --git a/arch/m68k/mm/sun3kmap.c b/arch/m68k/mm/sun3kmap.c
index 4f2a7ef8348bc1a6..ac091892d82f8a06 100644
--- a/arch/m68k/mm/sun3kmap.c
+++ b/arch/m68k/mm/sun3kmap.c
@@ -18,11 +18,9 @@
#include <asm/io.h>
#include <asm/sun3mmu.h>
-#undef SUN3_KMAP_DEBUG
+#include "../sun3/sun3.h"
-#ifdef SUN3_KMAP_DEBUG
-extern void print_pte_vaddr(unsigned long vaddr);
-#endif
+#undef SUN3_KMAP_DEBUG
extern void mmu_emu_map_pmeg (int context, int vaddr);
diff --git a/arch/m68k/mm/sun3mmu.c b/arch/m68k/mm/sun3mmu.c
index c5e6a23e0262128d..494739c1783e4dea 100644
--- a/arch/m68k/mm/sun3mmu.c
+++ b/arch/m68k/mm/sun3mmu.c
@@ -24,7 +24,7 @@
#include <asm/machdep.h>
#include <asm/io.h>
-extern void mmu_emu_init (unsigned long bootmem_end);
+#include "../sun3/sun3.h"
const char bad_pmd_string[] = "Bad pmd in pte_alloc: %08lx\n";
diff --git a/arch/m68k/sun3/config.c b/arch/m68k/sun3/config.c
index 40796c3e84400def..cd8af809e0cad1e4 100644
--- a/arch/m68k/sun3/config.c
+++ b/arch/m68k/sun3/config.c
@@ -35,11 +35,11 @@
#include <asm/sun3ints.h>
#include <asm/config.h>
+#include "sun3.h"
+
char sun3_reserved_pmeg[SUN3_PMEGS_NUM];
static void sun3_sched_init(void);
-extern void sun3_get_model (char* model);
-extern int sun3_hwclk(int set, struct rtc_time *t);
volatile char* clock_va;
extern unsigned long availmem;
diff --git a/arch/m68k/sun3/idprom.c b/arch/m68k/sun3/idprom.c
index 9ffd6515ad74a7fa..ca633a5f5eb1281a 100644
--- a/arch/m68k/sun3/idprom.c
+++ b/arch/m68k/sun3/idprom.c
@@ -17,6 +17,8 @@
#include <asm/idprom.h>
#include <asm/machines.h> /* Fun with Sun released architectures. */
+#include "sun3.h"
+
struct idprom *idprom;
EXPORT_SYMBOL(idprom);
diff --git a/arch/m68k/sun3/intersil.c b/arch/m68k/sun3/intersil.c
index 8fc74864de81962b..29674cfa9bb3aa35 100644
--- a/arch/m68k/sun3/intersil.c
+++ b/arch/m68k/sun3/intersil.c
@@ -17,6 +17,7 @@
#include <asm/intersil.h>
#include <asm/machdep.h>
+#include "sun3.h"
/* bits to set for start/run of the intersil */
#define STOP_VAL (INTERSIL_STOP | INTERSIL_INT_ENABLE | INTERSIL_24H_MODE)
diff --git a/arch/m68k/sun3/leds.c b/arch/m68k/sun3/leds.c
index 7c67b58ebf13fa4a..4bb95318fd548302 100644
--- a/arch/m68k/sun3/leds.c
+++ b/arch/m68k/sun3/leds.c
@@ -3,6 +3,8 @@
#include <asm/sun3mmu.h>
#include <asm/io.h>
+#include "sun3.h"
+
void sun3_leds(unsigned char byte)
{
unsigned char dfc;
diff --git a/arch/m68k/sun3/mmu_emu.c b/arch/m68k/sun3/mmu_emu.c
index 7ec9bbf8a3644a10..e5a92da43d1978df 100644
--- a/arch/m68k/sun3/mmu_emu.c
+++ b/arch/m68k/sun3/mmu_emu.c
@@ -27,6 +27,7 @@
#include <asm/mmu_context.h>
#include <asm/dvma.h>
+#include "sun3.h"
#undef DEBUG_MMU_EMU
#define DEBUG_PROM_MAPS
diff --git a/arch/m68k/sun3/sun3.h b/arch/m68k/sun3/sun3.h
new file mode 100644
index 0000000000000000..8d98c0aaedc0c686
--- /dev/null
+++ b/arch/m68k/sun3/sun3.h
@@ -0,0 +1,22 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#include <linux/linkage.h>
+
+struct rtc_time;
+
+/* config.c */
+asmlinkage void sun3_init(void);
+
+/* idprom.c */
+void sun3_get_model(char *model);
+
+/* intersil.c */
+int sun3_hwclk(int set, struct rtc_time *t);
+
+/* leds.c */
+void sun3_leds(unsigned char byte);
+
+/* mmu_emu.c */
+void mmu_emu_init(unsigned long bootmem_end);
+int mmu_emu_handle_fault(unsigned long vaddr, int read_flag, int kernel_fault);
+void print_pte_vaddr(unsigned long vaddr);
diff --git a/arch/m68k/sun3/sun3ints.c b/arch/m68k/sun3/sun3ints.c
index 36cc280a4505f5d2..781e7c0a6f523a2b 100644
--- a/arch/m68k/sun3/sun3ints.c
+++ b/arch/m68k/sun3/sun3ints.c
@@ -17,7 +17,7 @@
#include <asm/irq_regs.h>
#include <linux/seq_file.h>
-extern void sun3_leds (unsigned char);
+#include "sun3.h"
void sun3_disable_interrupts(void)
{
diff --git a/arch/m68k/sun3x/config.c b/arch/m68k/sun3x/config.c
index e2a5d84df6d214d1..798ea72a0ea3c3e2 100644
--- a/arch/m68k/sun3x/config.c
+++ b/arch/m68k/sun3x/config.c
@@ -22,11 +22,10 @@
#include <asm/config.h>
#include "time.h"
+#include "../sun3/sun3.h"
volatile char *clock_va;
-extern void sun3_get_model(char *model);
-
void sun3_leds(unsigned char byte)
{
--
2.34.1
