linux-kernel - [PATCH] mips: export spurious_interrupt() to fix MFD build error

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Message-Id: <20201019061439.10571-1-rdunlap@infradead.org>
Date:   Sun, 18 Oct 2020 23:14:39 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     linux-kernel@...r.kernel.org
Cc:     Randy Dunlap <rdunlap@...radead.org>,
        kernel test robot <lkp@...el.com>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Paul Burton <paulburton@...nel.org>, linux-mips@...r.kernel.org
Subject: [PATCH] mips: export spurious_interrupt() to fix MFD build error

Fix a build error in drivers/mfd/ioc3.o by exporting
spurious_interrupt().

ERROR: modpost: "spurious_interrupt" [drivers/mfd/ioc3.ko] undefined!

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
Cc: Paul Burton <paulburton@...nel.org>
Cc: linux-mips@...r.kernel.org
---
 arch/mips/kernel/irq.c |    2 ++
 1 file changed, 2 insertions(+)

--- linux-next-20201016.orig/arch/mips/kernel/irq.c
+++ linux-next-20201016/arch/mips/kernel/irq.c
@@ -10,6 +10,7 @@
  */
 #include <linux/kernel.h>
 #include <linux/delay.h>
+#include <linux/export.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/kernel_stat.h>
@@ -48,6 +49,7 @@ asmlinkage void spurious_interrupt(void)
 {
 	atomic_inc(&irq_err_count);
 }
+EXPORT_SYMBOL(spurious_interrupt);
 
 void __init init_IRQ(void)
 {