linux-kernel - [PATCH 1/1] mfd: khadas-mcu: Fix randconfig 'unused-const-variable' warning

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Message-Id: <20200828085007.2008096-1-lee.jones@linaro.org>
Date:   Fri, 28 Aug 2020 09:50:07 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     lee.jones@...aro.org
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-amlogic@...ts.infradead.org,
        Neil Armstrong <narmstrong@...libre.com>,
        kernel test robot <lkp@...el.com>
Subject: [PATCH 1/1] mfd: khadas-mcu: Fix randconfig 'unused-const-variable' warning

When testing with !OF, the build system reports:

>> drivers/mfd/khadas-mcu.c:125:34: warning: unused variable 'khadas_mcu_of_match' [-Wunused-const-variable]
   static const struct of_device_id khadas_mcu_of_match[] = {
                                    ^

Cc: Neil Armstrong <narmstrong@...libre.com>
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Lee Jones <lee.jones@...aro.org>
---
 drivers/mfd/khadas-mcu.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/mfd/khadas-mcu.c b/drivers/mfd/khadas-mcu.c
index 44d5bb462daba..f3d418810693c 100644
--- a/drivers/mfd/khadas-mcu.c
+++ b/drivers/mfd/khadas-mcu.c
@@ -122,11 +122,13 @@ static int khadas_mcu_probe(struct i2c_client *client,
 	return 0;
 }
 
+#ifdef CONFIG_OF
 static const struct of_device_id khadas_mcu_of_match[] = {
 	{ .compatible = "khadas,mcu", },
 	{},
 };
 MODULE_DEVICE_TABLE(of, khadas_mcu_of_match);
+#endif
 
 static struct i2c_driver khadas_mcu_driver = {
 	.driver = {
-- 
2.25.1