xtensa: traps: add <linux/cpu.h> for function prototype

Use <linux/cpu.h> to provide the prototype for trap_init(), to prevent
a build warning:

arch/xtensa/kernel/traps.c:484:13: warning: no previous prototype for 'trap_init' [-Wmissing-prototypes]
  484 | void __init trap_init(void)

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Chris Zankel <chris@zankel.net>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Message-Id: <20230920052139.10570-9-rdunlap@infradead.org>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c
index 427c125a137aae95b8635d860c609c60fa500883..38092d21acf8e4b285e649cbea6b3bc6920bfa7c 100644 (file)
--- a/arch/xtensa/kernel/traps.c
+++ b/arch/xtensa/kernel/traps.c
@@ -23,6 +23,7 @@
  * for more details.
  */
 
+#include <linux/cpu.h>
 #include <linux/kernel.h>
 #include <linux/sched/signal.h>
 #include <linux/sched/debug.h>