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path: root/drivers/net/can/at91_can.c
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Diffstat (limited to 'drivers/net/can/at91_can.c')
-rw-r--r--drivers/net/can/at91_can.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c
index 6efe27458116..f07fa89b5fd5 100644
--- a/drivers/net/can/at91_can.c
+++ b/drivers/net/can/at91_can.c
@@ -420,7 +420,11 @@ static void at91_chip_start(struct net_device *dev)
at91_transceiver_switch(priv, 1);
/* enable chip */
- at91_write(priv, AT91_MR, AT91_MR_CANEN);
+ if (priv->can.ctrlmode & CAN_CTRLMODE_LISTENONLY)
+ reg_mr = AT91_MR_CANEN | AT91_MR_ABM;
+ else
+ reg_mr = AT91_MR_CANEN;
+ at91_write(priv, AT91_MR, reg_mr);
priv->can.state = CAN_STATE_ERROR_ACTIVE;
@@ -1190,6 +1194,7 @@ static const struct net_device_ops at91_netdev_ops = {
.ndo_open = at91_open,
.ndo_stop = at91_close,
.ndo_start_xmit = at91_start_xmit,
+ .ndo_change_mtu = can_change_mtu,
};
static ssize_t at91_sysfs_show_mb0_id(struct device *dev,
@@ -1341,7 +1346,8 @@ static int at91_can_probe(struct platform_device *pdev)
priv->can.bittiming_const = &at91_bittiming_const;
priv->can.do_set_mode = at91_set_mode;
priv->can.do_get_berr_counter = at91_get_berr_counter;
- priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES;
+ priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES |
+ CAN_CTRLMODE_LISTENONLY;
priv->dev = dev;
priv->reg_base = addr;
priv->devtype_data = *devtype_data;