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Date:   Fri, 6 Jul 2018 20:53:09 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Platform Driver <platform-driver-x86@...r.kernel.org>,
        Darren Hart <dvhart@...radead.org>,
        Andy Shevchenko <andy@...radead.org>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Azael Avalos <coproscefalo@...il.com>
Subject: [PATCH] platform/x86/toshiba_acpi.c: fix defined but not used build
 warnings

From: Randy Dunlap <rdunlap@...radead.org>

Fix a build warning in toshiba_acpi.c when CONFIG_PROC_FS is not enabled
by marking the unused function as __maybe_unused.

../drivers/platform/x86/toshiba_acpi.c:1685:12: warning: 'version_proc_show' defined but not used [-Wunused-function]

Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
Cc: Azael Avalos <coproscefalo@...il.com>
Cc: platform-driver-x86@...r.kernel.org
Cc: Darren Hart <dvhart@...radead.org>
Cc: Andy Shevchenko <andy@...radead.org>
---
 drivers/platform/x86/toshiba_acpi.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- linux-next-20180706.orig/drivers/platform/x86/toshiba_acpi.c
+++ linux-next-20180706/drivers/platform/x86/toshiba_acpi.c
@@ -34,6 +34,7 @@
 #define TOSHIBA_ACPI_VERSION	"0.24"
 #define PROC_INTERFACE_VERSION	1
 
+#include <linux/compiler.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
@@ -1682,7 +1683,7 @@ static const struct file_operations keys
 	.write		= keys_proc_write,
 };
 
-static int version_proc_show(struct seq_file *m, void *v)
+static int __maybe_unused version_proc_show(struct seq_file *m, void *v)
 {
 	seq_printf(m, "driver:                  %s\n", TOSHIBA_ACPI_VERSION);
 	seq_printf(m, "proc_interface:          %d\n", PROC_INTERFACE_VERSION);


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