can: Proper ctrlmode handling for CAN devices

This patch adds error checking of ctrlmode values for CAN devices. As
an example all availabe bits are implemented in the mcp251x driver.

Signed-off-by: Christian Pellegrin <chripell@fsfe.org>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c
index f7287497ba6e..a2f29a38798a 100644
--- a/drivers/net/can/at91_can.c
+++ b/drivers/net/can/at91_can.c
@@ -1073,6 +1073,7 @@ static int __init at91_can_probe(struct platform_device *pdev)
         priv->can.bittiming_const = &at91_bittiming_const;
         priv->can.do_set_bittiming = at91_set_bittiming;
         priv->can.do_set_mode = at91_set_mode;
+        priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES;
         priv->reg_base = addr;
         priv->dev = dev;
         priv->clk = clk;