netdev - [net-next 03/12] can: dev: export can_get_state

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Date:   Wed, 27 Jan 2021 10:22:18 +0100
From:   Marc Kleine-Budde <mkl@...gutronix.de>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, kuba@...nel.org, linux-can@...r.kernel.org,
        kernel@...gutronix.de,
        Vincent Mailhol <mailhol.vincent@...adoo.fr>,
        Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [net-next 03/12] can: dev: export can_get_state_str() function

From: Vincent Mailhol <mailhol.vincent@...adoo.fr>

The can_get_state_str() function is also relevant to the drivers. Export the
symbol and make it visible in the can/dev.h header.

Link: https://lore.kernel.org/r/20210119170355.12040-1-mailhol.vincent@wanadoo.fr
Signed-off-by: Vincent Mailhol <mailhol.vincent@...adoo.fr>
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
 drivers/net/can/dev/dev.c | 3 ++-
 include/linux/can/dev.h   | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/can/dev/dev.c b/drivers/net/can/dev/dev.c
index 01e4a194f187..d9281ae853f8 100644
--- a/drivers/net/can/dev/dev.c
+++ b/drivers/net/can/dev/dev.c
@@ -74,7 +74,7 @@ static int can_rx_state_to_frame(struct net_device *dev, enum can_state state)
 	}
 }
 
-static const char *can_get_state_str(const enum can_state state)
+const char *can_get_state_str(const enum can_state state)
 {
 	switch (state) {
 	case CAN_STATE_ERROR_ACTIVE:
@@ -95,6 +95,7 @@ static const char *can_get_state_str(const enum can_state state)
 
 	return "<unknown>";
 }
+EXPORT_SYMBOL_GPL(can_get_state_str);
 
 void can_change_state(struct net_device *dev, struct can_frame *cf,
 		      enum can_state tx_state, enum can_state rx_state)
diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h
index 7faf6a37d5b2..ac4d83a1ab81 100644
--- a/include/linux/can/dev.h
+++ b/include/linux/can/dev.h
@@ -123,6 +123,7 @@ void unregister_candev(struct net_device *dev);
 int can_restart_now(struct net_device *dev);
 void can_bus_off(struct net_device *dev);
 
+const char *can_get_state_str(const enum can_state state);
 void can_change_state(struct net_device *dev, struct can_frame *cf,
 		      enum can_state tx_state, enum can_state rx_state);
 
-- 
2.29.2