[PATCH v2 3/3] sparc: Implement arch_do_panic

[Mete Durlu <meted@linux.ibm.com>]

Implement sparc specific arch_do_panic() instead of using sparc specific
ifdef sections in vpanic() code.

Signed-off-by: Mete Durlu <meted@linux.ibm.com>
---
 arch/sparc/include/asm/bug.h   | 3 +++
 arch/sparc/include/asm/setup.h | 1 -
 arch/sparc/kernel/setup.c      | 8 ++++++++
 kernel/panic.c                 | 9 ---------
 4 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/arch/sparc/include/asm/bug.h b/arch/sparc/include/asm/bug.h
index ea53e418f6c0..70dc3358430c 100644
--- a/arch/sparc/include/asm/bug.h
+++ b/arch/sparc/include/asm/bug.h
@@ -27,4 +27,7 @@ void do_BUG(const char *file, int line);
 struct pt_regs;
 void __noreturn die_if_kernel(char *str, struct pt_regs *regs);
 
+void arch_do_panic(void);
+#define arch_do_panic arch_do_panic
+
 #endif
diff --git a/arch/sparc/include/asm/setup.h b/arch/sparc/include/asm/setup.h
index 21bed5514028..fed37c85ed00 100644
--- a/arch/sparc/include/asm/setup.h
+++ b/arch/sparc/include/asm/setup.h
@@ -43,7 +43,6 @@ void __init device_scan(void);
 
 /* unaligned_32.c */
 unsigned long safe_compute_effective_address(struct pt_regs *, unsigned int);
-
 #endif
 
 #ifdef CONFIG_SPARC64
diff --git a/arch/sparc/kernel/setup.c b/arch/sparc/kernel/setup.c
index 4975867d9001..87d3569c520f 100644
--- a/arch/sparc/kernel/setup.c
+++ b/arch/sparc/kernel/setup.c
@@ -36,6 +36,14 @@ static const struct ctl_table sparc_sysctl_table[] = {
 #endif
 };
 
+void arch_do_panic(void)
+{
+	extern int stop_a_enabled;
+	/* Make sure the user can actually press Stop-A (L1-A) */
+	stop_a_enabled = 1;
+	pr_emerg("Press Stop-A (L1-A) from sun keyboard or send break\n"
+		 "twice on console to return to the boot prom\n");
+}
 
 static int __init init_sparc_sysctls(void)
 {
diff --git a/kernel/panic.c b/kernel/panic.c
index de0bda946cab..593aa2c24d93 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -747,15 +747,6 @@ void vpanic(const char *fmt, va_list args)
 			reboot_mode = panic_reboot_mode;
 		emergency_restart();
 	}
-#ifdef __sparc__
-	{
-		extern int stop_a_enabled;
-		/* Make sure the user can actually press Stop-A (L1-A) */
-		stop_a_enabled = 1;
-		pr_emerg("Press Stop-A (L1-A) from sun keyboard or send break\n"
-			 "twice on console to return to the boot prom\n");
-	}
-#endif
 	pr_emerg("---[ end Kernel panic - not syncing: %s ]---\n", buf);
 
 	arch_do_panic();

-- 
2.55.0