8 files changed, 25 insertions, 14 deletions
diff --git a/arch/m68k/atari/ataints.c b/arch/m68k/atari/ataints.c
index 56f02ea2c2..2325643419 100644
--- a/arch/m68k/atari/ataints.c
+++ b/arch/m68k/atari/ataints.c
@@ -52,6 +52,7 @@
 #include <asm/entry.h>
 #include <asm/io.h>
 
+#include "atari.h"
 
 /*
  * Atari interrupt handling scheme:
@@ -81,8 +82,6 @@ __ALIGN_STR "\n\t"
 	"orw	#0x200,%sp@\n\t"	/* set saved ipl to 2 */
 	"rte");
 
-extern void atari_microwire_cmd(int cmd);
-
 static unsigned int atari_irq_startup(struct irq_data *data)
 {
 	unsigned int irq = data->irq;
diff --git a/arch/m68k/atari/atakeyb.c b/arch/m68k/atari/atakeyb.c
index 5e0e682f9c..49a9a459bd 100644
--- a/arch/m68k/atari/atakeyb.c
+++ b/arch/m68k/atari/atakeyb.c
@@ -332,7 +332,7 @@ void ikbd_write(const char *str, int len)
 }
 
 /* Reset (without touching the clock) */
-void ikbd_reset(void)
+static void ikbd_reset(void)
 {
 	static const char cmd[2] = { 0x80, 0x01 };
 
diff --git a/arch/m68k/atari/atari.h b/arch/m68k/atari/atari.h
new file mode 100644
index 0000000000..494a03ddac
--- /dev/null
+++ b/arch/m68k/atari/atari.h
@@ -0,0 +1,15 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+struct rtc_time;
+
+/* ataints.c */
+void atari_init_IRQ(void);
+
+/* atasound.c */
+void atari_microwire_cmd(int cmd);
+void atari_mksound(unsigned int hz, unsigned int ticks);
+
+/* time.c */
+void atari_sched_init(void);
+int atari_mste_hwclk(int op, struct rtc_time *t);
+int atari_tt_hwclk(int op, struct rtc_time *t);
diff --git a/arch/m68k/atari/atasound.c b/arch/m68k/atari/atasound.c
index a8724d998c..c38ef0e607 100644
--- a/arch/m68k/atari/atasound.c
+++ b/arch/m68k/atari/atasound.c
@@ -28,6 +28,7 @@
 #include <asm/irq.h>
 #include <asm/atariints.h>
 
+#include "atari.h"
 
 /*
  * stuff from the old atasound.c
diff --git a/arch/m68k/atari/config.c b/arch/m68k/atari/config.c
index 38a7c05781..b48a0606a0 100644
--- a/arch/m68k/atari/config.c
+++ b/arch/m68k/atari/config.c
@@ -48,6 +48,8 @@
 #include <asm/io.h>
 #include <asm/config.h>
 
+#include "atari.h"
+
 u_long atari_mch_cookie;
 EXPORT_SYMBOL(atari_mch_cookie);
 
@@ -69,19 +71,10 @@ int atari_rtc_year_offset;
 static void atari_reset(void);
 static void atari_get_model(char *model);
 static void atari_get_hardware_list(struct seq_file *m);
-
-/* atari specific irq functions */
-extern void atari_init_IRQ (void);
-extern void atari_mksound(unsigned int count, unsigned int ticks);
 #ifdef CONFIG_HEARTBEAT
 static void atari_heartbeat(int on);
 #endif
 
-/* atari specific timer functions (in time.c) */
-extern void atari_sched_init(void);
-extern int atari_mste_hwclk (int, struct rtc_time *);
-extern int atari_tt_hwclk (int, struct rtc_time *);
-
 /* ++roman: This is a more elaborate test for an SCC chip, since the plain
  * Medusa board generates DTACK at the SCC's standard addresses, but a SCC
  * board in the Medusa is possible. Also, the addresses where the ST_ESCC
@@ -880,7 +873,7 @@ static const struct resource atari_falconide_rsrc[] __initconst = {
 	DEFINE_RES_MEM(FALCON_IDE_BASE + 0x38, 2),
 };
 
-int __init atari_platform_init(void)
+static int __init atari_platform_init(void)
 {
 	struct platform_device *pdev;
 	int rv = 0;
diff --git a/arch/m68k/atari/stdma.c b/arch/m68k/atari/stdma.c
index ce6818eff7..155fefff19 100644
--- a/arch/m68k/atari/stdma.c
+++ b/arch/m68k/atari/stdma.c
@@ -61,6 +61,7 @@ static irqreturn_t stdma_int (int irq, void *dummy);
 /**
  * stdma_try_lock - attempt to acquire ST DMA interrupt "lock"
  * @handler: interrupt handler to use after acquisition
+ * @data: cookie passed to the interrupt handler function
  *
  * Returns !0 if lock was acquired; otherwise 0.
  */
diff --git a/arch/m68k/atari/stram.c b/arch/m68k/atari/stram.c
index ce79b322a9..922e53bcb8 100644
--- a/arch/m68k/atari/stram.c
+++ b/arch/m68k/atari/stram.c
@@ -115,7 +115,7 @@ void __init atari_stram_reserve_pages(void *start_mem)
  * This function is called as arch initcall to reserve the pages needed for
  * ST-RAM management, if the kernel does not reside in ST-RAM.
  */
-int __init atari_stram_map_pages(void)
+static int __init atari_stram_map_pages(void)
 {
 	if (!kernel_in_stram) {
 		/*
diff --git a/arch/m68k/atari/time.c b/arch/m68k/atari/time.c
index 7e44d0e9d0..3453c6dc6b 100644
--- a/arch/m68k/atari/time.c
+++ b/arch/m68k/atari/time.c
@@ -23,6 +23,8 @@
 #include <asm/atariints.h>
 #include <asm/machdep.h>
 
+#include "atari.h"
+
 DEFINE_SPINLOCK(rtc_lock);
 EXPORT_SYMBOL_GPL(rtc_lock);