Merging upstream version 6.7.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

9 files changed, 64 insertions, 55 deletions

diff --git a/arch/m68k/sun3/config.c b/arch/m68k/sun3/config.c
index 203f428a03..cd8af809e0 100644
--- a/arch/m68k/sun3/config.c
+++ b/arch/m68k/sun3/config.c
@@ -17,6 +17,7 @@
 #include <linux/init.h>
 #include <linux/memblock.h>
 #include <linux/platform_device.h>
+#include <linux/linkage.h>
 
 #include <asm/oplib.h>
 #include <asm/setup.h>
@@ -32,12 +33,13 @@
 #include <asm/irq.h>
 #include <asm/sections.h>
 #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;
@@ -48,7 +50,7 @@ static void sun3_get_hardware_list(struct seq_file *m)
 	seq_printf(m, "PROM Revision:\t%s\n", romvec->pv_monid);
 }
 
-void __init sun3_init(void)
+asmlinkage void __init sun3_init(void)
 {
 	unsigned char enable_register;
 	int i;
@@ -107,13 +109,10 @@ static void sun3_halt (void)
 static void __init sun3_bootmem_alloc(unsigned long memory_start,
 				      unsigned long memory_end)
 {
-	unsigned long start_page;
-
 	/* align start/end to page boundaries */
 	memory_start = ((memory_start + (PAGE_SIZE-1)) & PAGE_MASK);
 	memory_end = memory_end & PAGE_MASK;
 
-	start_page = __pa(memory_start) >> PAGE_SHIFT;
 	max_pfn = num_pages = __pa(memory_end) >> PAGE_SHIFT;
 
 	high_memory = (void *)memory_end;
@@ -200,7 +199,7 @@ static const struct resource sun3_scsi_rsrc[] __initconst = {
 	},
 };
 
-int __init sun3_platform_init(void)
+static int __init sun3_platform_init(void)
 {
 	switch (idprom->id_machtype) {
 	case SM_SUN3 | SM_3_160:
diff --git a/arch/m68k/sun3/idprom.c b/arch/m68k/sun3/idprom.c
index 1ace5353d7..ca633a5f5e 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);
 
@@ -83,7 +85,7 @@ static void __init display_system_type(unsigned char machtype)
 	prom_halt();
 }
 
-void sun3_get_model(unsigned char* model)
+void sun3_get_model(char *model)
 {
 	register int i;
 
diff --git a/arch/m68k/sun3/intersil.c b/arch/m68k/sun3/intersil.c
index 8fc74864de..29674cfa9b 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 7c67b58ebf..4bb95318fd 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 7321b3b762..119bd32efc 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
@@ -67,7 +68,7 @@ static unsigned char ctx_avail = CONTEXTS_NUM-1;
 unsigned long rom_pages[256];
 
 /* Print a PTE value in symbolic form. For debugging. */
-void print_pte (pte_t pte)
+static void print_pte(pte_t pte)
 {
 #if 0
 	/* Verbose version. */
@@ -206,32 +207,32 @@ void __init mmu_emu_init(unsigned long bootmem_end)
    context for when they're cleared */
 void clear_context(unsigned long context)
 {
-     unsigned char oldctx;
-     unsigned long i;
+	unsigned char oldctx;
+	unsigned long i;
 
-     if(context) {
-	     if(!ctx_alloc[context])
-		     panic("%s: context not allocated\n", __func__);
+	if (context) {
+		if (!ctx_alloc[context])
+			panic("%s: context not allocated\n", __func__);
 
-	     ctx_alloc[context]->context = SUN3_INVALID_CONTEXT;
-	     ctx_alloc[context] = (struct mm_struct *)0;
-	     ctx_avail++;
-     }
+		ctx_alloc[context]->context = SUN3_INVALID_CONTEXT;
+		ctx_alloc[context] = (struct mm_struct *)0;
+		ctx_avail++;
+	}
 
-     oldctx = sun3_get_context();
+	oldctx = sun3_get_context();
 
-     sun3_put_context(context);
+	sun3_put_context(context);
 
-     for(i = 0; i < SUN3_INVALID_PMEG; i++) {
-	     if((pmeg_ctx[i] == context) && (pmeg_alloc[i] == 1)) {
-		     sun3_put_segmap(pmeg_vaddr[i], SUN3_INVALID_PMEG);
-		     pmeg_ctx[i] = 0;
-		     pmeg_alloc[i] = 0;
-		     pmeg_vaddr[i] = 0;
-	     }
-     }
+	for (i = 0; i < SUN3_INVALID_PMEG; i++) {
+		if ((pmeg_ctx[i] == context) && (pmeg_alloc[i] == 1)) {
+			sun3_put_segmap(pmeg_vaddr[i], SUN3_INVALID_PMEG);
+			pmeg_ctx[i] = 0;
+			pmeg_alloc[i] = 0;
+			pmeg_vaddr[i] = 0;
+		}
+	}
 
-     sun3_put_context(oldctx);
+	sun3_put_context(oldctx);
 }
 
 /* gets an empty context.  if full, kills the next context listed to
diff --git a/arch/m68k/sun3/prom/printf.c b/arch/m68k/sun3/prom/printf.c
index b6724cc667..db5537ef12 100644
--- a/arch/m68k/sun3/prom/printf.c
+++ b/arch/m68k/sun3/prom/printf.c
@@ -25,15 +25,14 @@ prom_printf(char *fmt, ...)
 {
 	va_list args;
 	char ch, *bptr;
-	int i;
 
 	va_start(args, fmt);
 
 #ifdef CONFIG_KGDB
 	ppbuf[0] = 'O';
-	i = vsprintf(ppbuf + 1, fmt, args) + 1;
+	vsprintf(ppbuf + 1, fmt, args) + 1;
 #else
-	i = vsprintf(ppbuf, fmt, args);
+	vsprintf(ppbuf, fmt, args);
 #endif
 
 	bptr = ppbuf;
diff --git a/arch/m68k/sun3/sun3.h b/arch/m68k/sun3/sun3.h
new file mode 100644
index 0000000000..8d98c0aaed
--- /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/sun3dvma.c b/arch/m68k/sun3/sun3dvma.c
index 4b560f4d39..6ebf52740a 100644
--- a/arch/m68k/sun3/sun3dvma.c
+++ b/arch/m68k/sun3/sun3dvma.c
@@ -20,18 +20,6 @@
 
 #undef DVMA_DEBUG
 
-#ifdef CONFIG_SUN3X
-extern void dvma_unmap_iommu(unsigned long baddr, int len);
-#else
-static inline void dvma_unmap_iommu(unsigned long a, int b)
-{
-}
-#endif
-
-#ifdef CONFIG_SUN3
-extern void sun3_dvma_init(void);
-#endif
-
 static unsigned long *iommu_use;
 
 #define dvma_index(baddr) ((baddr - DVMA_START) >> DVMA_PAGE_SHIFT)
@@ -205,9 +193,7 @@ static inline int free_baddr(unsigned long baddr)
 	unsigned long len;
 	struct hole *hole;
 	struct list_head *cur;
-	unsigned long orig_baddr;
 
-	orig_baddr = baddr;
 	len = dvma_entry_use(baddr);
 	dvma_entry_use(baddr) = 0;
 	baddr &= DVMA_PAGE_MASK;
@@ -274,10 +260,7 @@ void __init dvma_init(void)
 
 	dvma_unmap_iommu(DVMA_START, DVMA_SIZE);
 
-#ifdef CONFIG_SUN3
 	sun3_dvma_init();
-#endif
-
 }
 
 unsigned long dvma_map_align(unsigned long kaddr, int len, int align)
diff --git a/arch/m68k/sun3/sun3ints.c b/arch/m68k/sun3/sun3ints.c
index 36cc280a45..32eaf55f87 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)
 {
@@ -29,11 +29,11 @@ void sun3_enable_interrupts(void)
 	sun3_enable_irq(0);
 }
 
-static int led_pattern[8] = {
-       ~(0x80), ~(0x01),
-       ~(0x40), ~(0x02),
-       ~(0x20), ~(0x04),
-       ~(0x10), ~(0x08)
+static unsigned char led_pattern[8] = {
+	(u8)~(0x80), (u8)~(0x01),
+	(u8)~(0x40), (u8)~(0x02),
+	(u8)~(0x20), (u8)~(0x04),
+	(u8)~(0x10), (u8)~(0x08)
 };
 
 volatile unsigned char* sun3_intreg;