linux-kernel - [PATCH 19/20] mips: smp: fix setup_profiling

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Message-Id: <20231204115710.2247097-20-arnd@kernel.org>
Date:   Mon,  4 Dec 2023 12:57:09 +0100
From:   Arnd Bergmann <arnd@...nel.org>
To:     linux-mips@...r.kernel.org
Cc:     Arnd Bergmann <arnd@...db.de>,
        "Andrew Morton" <akpm@...ux-foundation.org>,
        "Stephen Rothwell" <sfr@...hwell.id.au>,
        "Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
        "Thomas Bogendoerfer" <tsbogend@...ha.franken.de>
Subject: [PATCH 19/20] mips: smp: fix setup_profiling_timer() prototype

From: Arnd Bergmann <arnd@...db.de>

The function is unconditionally defined in smp.c but is conditionally
declared in a header that is not included here.

arch/mips/kernel/smp.c:473:5: error: no previous prototype for 'setup_profiling_timer' [-Werror=missing-prototypes]

Add the missing #include and #ifdef to match the declaration.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 arch/mips/kernel/smp.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index 8fbef537fb88..774e4dcd86d2 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -10,6 +10,7 @@
 #include <linux/delay.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/profile.h>
 #include <linux/smp.h>
 #include <linux/spinlock.h>
 #include <linux/threads.h>
@@ -468,11 +469,13 @@ int __cpu_up(unsigned int cpu, struct task_struct *tidle)
 	return 0;
 }
 
+#ifdef CONFIG_PROFILING
 /* Not really SMP stuff ... */
 int setup_profiling_timer(unsigned int multiplier)
 {
 	return 0;
 }
+#endif
 
 static void flush_tlb_all_ipi(void *info)
 {
-- 
2.39.2