linux-kernel - [PATCH 11/16] xtensa: hw_breakpoint: include header for missing prototype

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Message-ID: <20230920052139.10570-12-rdunlap@infradead.org>
Date:   Tue, 19 Sep 2023 22:21:34 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        Chris Zankel <chris@...kel.net>,
        Max Filippov <jcmvbkbc@...il.com>
Subject: [PATCH 11/16] xtensa: hw_breakpoint: include header for missing prototype

Add the prototype for restore_dbreak() to <asm/hw_breakpoint.h> and use
that header in hw_breakpoint.c to prevent a build warning:

arch/xtensa/kernel/hw_breakpoint.c:263:6: warning: no previous prototype for 'restore_dbreak' [-Wmissing-prototypes]
  263 | void restore_dbreak(void)

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Chris Zankel <chris@...kel.net>
Cc: Max Filippov <jcmvbkbc@...il.com>
---
 arch/xtensa/include/asm/hw_breakpoint.h |    1 +
 arch/xtensa/kernel/hw_breakpoint.c      |    1 +
 2 files changed, 2 insertions(+)

diff -- a/arch/xtensa/include/asm/hw_breakpoint.h b/arch/xtensa/include/asm/hw_breakpoint.h
--- a/arch/xtensa/include/asm/hw_breakpoint.h
+++ b/arch/xtensa/include/asm/hw_breakpoint.h
@@ -48,6 +48,7 @@ void arch_uninstall_hw_breakpoint(struct
 void hw_breakpoint_pmu_read(struct perf_event *bp);
 int check_hw_breakpoint(struct pt_regs *regs);
 void clear_ptrace_hw_breakpoint(struct task_struct *tsk);
+void restore_dbreak(void);
 
 #else
 
diff -- a/arch/xtensa/kernel/hw_breakpoint.c b/arch/xtensa/kernel/hw_breakpoint.c
--- a/arch/xtensa/kernel/hw_breakpoint.c
+++ b/arch/xtensa/kernel/hw_breakpoint.c
@@ -13,6 +13,7 @@
 #include <linux/percpu.h>
 #include <linux/perf_event.h>
 #include <asm/core.h>
+#include <asm/hw_breakpoint.h>
 
 /* Breakpoint currently in use for each IBREAKA. */
 static DEFINE_PER_CPU(struct perf_event *, bp_on_reg[XCHAL_NUM_IBREAK]);