From 03191fb3db3d2585725bcffe0356d12fcfd27c4c Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert@linux-m68k.org>
Date: Wed, 11 Oct 2023 09:16:33 +0200
Subject: [PATCH] m68k: lib: Include <linux/libgcc.h> for __muldi3()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

When building with W=1:

    arch/m68k/lib/muldi3.c:82:1: warning: no previous prototype for ‘__muldi3’ [-Wmissing-prototypes]
       82 | __muldi3 (DItype u, DItype v)
	  | ^~~~~~~~

Fix this by including <linux/libgcc.h>.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/160c1fd14b4798f576d9649334b1d2c77db5cb07.1697008341.git.geert@linux-m68k.org
---
 arch/m68k/lib/muldi3.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/m68k/lib/muldi3.c b/arch/m68k/lib/muldi3.c
index eb7d9d86ff66..5012a9b218c7 100644
--- a/arch/m68k/lib/muldi3.c
+++ b/arch/m68k/lib/muldi3.c
@@ -16,6 +16,7 @@ GNU General Public License for more details. */
 
 #include <linux/compiler.h>
 #include <linux/export.h>
+#include <linux/libgcc.h>
 
 #ifdef CONFIG_CPU_HAS_NO_MULDIV64