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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>
This commit is contained in:
Marc Kleine-Budde 2012-07-20 22:30:40 +02:00
parent 4480c00804
commit e428704650
1 changed files with 0 additions and 10 deletions
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10
drivers/net/can/usb/esd_usb2.c
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@ -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);