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From:   Mayank Rana <mrana@codeaurora.org>
To:     myungjoo.ham@samsung.com, cw00.choi@samsung.com
Cc:     Mayank Rana <mrana@codeaurora.org>, linux-kernel@vger.kernel.org,
        jackp@codeaurora.org
Subject: [PATCH] extcon: Mark extcon_get_edev_name() function as exported symbol
Date:   Mon, 16 Mar 2020 13:14:32 -0700
Message-Id: <1584389672-9195-1-git-send-email-mrana@codeaurora.org>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

extcon_get_edev_name() function provides client driver to request
extcon dev's name. If extcon driver and client driver are compiled
as loadable modules, extcon_get_edev_name() function symbol is not
visible to client driver. Hence mark extcon_find_edev_name() function
as exported symbol.

Signed-off-by: Mayank Rana <mrana@codeaurora.org>
---
 drivers/extcon/extcon.c | 1 +
 include/linux/extcon.h  | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
index e055893..2dfbfec 100644
--- a/drivers/extcon/extcon.c
+++ b/drivers/extcon/extcon.c
@@ -1406,6 +1406,7 @@ const char *extcon_get_edev_name(struct extcon_dev *edev)
 {
 	return !edev ? NULL : edev->name;
 }
+EXPORT_SYMBOL_GPL(extcon_get_edev_name);
 
 static int __init extcon_class_init(void)
 {
diff --git a/include/linux/extcon.h b/include/linux/extcon.h
index 1b1d77e..fd183fb 100644
--- a/include/linux/extcon.h
+++ b/include/linux/extcon.h
@@ -286,6 +286,11 @@ static inline struct extcon_dev *extcon_get_edev_by_phandle(struct device *dev,
 {
 	return ERR_PTR(-ENODEV);
 }
+
+static inline const char *extcon_get_edev_name(struct extcon_dev *edev)
+{
+	return NULL;
+}
 #endif /* CONFIG_EXTCON */
 
 /*
-- 
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