netdev - [PATCH] net: aquantia: fix undefined devm_hwmon_device_register_with

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Date:   Thu, 9 May 2019 23:32:35 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     Yana Esina <yana.esina@...antia.com>,
        "David S. Miller" <davem@...emloft.net>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Kefeng Wang <wangkefeng.wang@...wei.com>,
        Hulk Robot <hulkci@...wei.com>
Subject: [PATCH] net: aquantia: fix undefined devm_hwmon_device_register_with_info reference

drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.o: In function `aq_drvinfo_init':
aq_drvinfo.c:(.text+0xe8): undefined reference to `devm_hwmon_device_register_with_info'

Fix it by using #if IS_REACHABLE(CONFIG_HWMON).

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Kefeng Wang <wangkefeng.wang@...wei.com>
---
 drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.c b/drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.c
index f5a92b2a5cd6..adad6a7acabe 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_drvinfo.c
@@ -13,6 +13,7 @@
 
 #include "aq_drvinfo.h"
 
+#if IS_REACHABLE(CONFIG_HWMON)
 static int aq_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
 			 u32 attr, int channel, long *value)
 {
@@ -123,3 +124,7 @@ int aq_drvinfo_init(struct net_device *ndev)
 
 	return err;
 }
+
+#else
+int aq_drvinfo_init(struct net_device *ndev) { return 0; }
+#endif
-- 
2.20.1