can: esd_usb2: remove obsolete variable open_time

The variable open_time in the struct esd_usb2_net_priv was used to protect
esd_usb2_set_mode() only to be called, if the interface is up. Now the CAN
device infrastructure takes care of this.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

1 files changed, 0 insertions, 10 deletions

diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c
index 124e0dd3490c..9b74d1e3ad44 100644
--- a/drivers/net/can/usb/esd_usb2.c
+++ b/drivers/net/can/usb/esd_usb2.c
@@ -217,7 +217,6 @@ struct esd_usb2_net_priv {
         struct usb_anchor tx_submitted;
         struct esd_tx_urb_context tx_contexts[MAX_TX_URBS];
 
-        int open_time;
         struct esd_usb2 *usb2;
         struct net_device *netdev;
         int index;
@@ -695,8 +694,6 @@ static int esd_usb2_open(struct net_device *netdev)
                 return err;
         }
 
-        priv->open_time = jiffies;
-
         netif_start_queue(netdev);
 
         return 0;
@@ -864,8 +861,6 @@ static int esd_usb2_close(struct net_device *netdev)
 
         close_candev(netdev);
 
-        priv->open_time = 0;
-
         return 0;
 }
 
@@ -941,11 +936,6 @@ static int esd_usb2_get_berr_counter(const struct net_device *netdev,
 
 static int esd_usb2_set_mode(struct net_device *netdev, enum can_mode mode)
 {
-        struct esd_usb2_net_priv *priv = netdev_priv(netdev);
-
-        if (!priv->open_time)
-                return -EINVAL;
-
         switch (mode) {
         case CAN_MODE_START:
                 netif_wake_queue(netdev);