Added rcar_can_set_bittiming as can.do_set_bittiming callback that will
be called from can_changelink generic callback when link state is
changed.
This enables set bittiming support:
ip link set can0 type can bitrate 500000 triple-sampling on
Signed-off-by: Bogdan Mirea <Bogdan-Stefan_mirea@xxxxxxxxxx>
Signed-off-by: Eugen Hristev <Eugen_hristev@xxxxxxxxxx>
---
drivers/net/can/rcar_can.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/can/rcar/rcar_can.c b/drivers/net/can/rcar/rcar_can.c
index 788459f..cfabb95 100644
--- a/drivers/net/can/rcar/rcar_can.c
+++ b/drivers/net/can/rcar/rcar_can.c
@@ -419,7 +419,7 @@ static irqreturn_t rcar_can_interrupt(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static void rcar_can_set_bittiming(struct net_device *dev)
+static int rcar_can_set_bittiming(struct net_device *dev)
{
struct rcar_can_priv *priv = netdev_priv(dev);
struct can_bittiming *bt = &priv->can.bittiming;
@@ -433,6 +433,8 @@ static void rcar_can_set_bittiming(struct net_device *dev)
* read/write (but not on 8-bit, contrary to the manuals)...
*/
writel((bcr << 8) | priv->clock_select, &priv->regs->bcr);
+
+ return 0;
}
static void rcar_can_start(struct net_device *ndev)
@@ -809,6 +811,7 @@ static int rcar_can_probe(struct platform_device *pdev)
priv->clock_select = clock_select;
priv->can.clock.freq = clk_get_rate(priv->can_clk);
priv->can.bittiming_const = &rcar_can_bittiming_const;
+ priv->can.do_set_bittiming = &rcar_can_set_bittiming;
priv->can.do_set_mode = rcar_can_do_set_mode;
priv->can.do_get_berr_counter = rcar_can_get_berr_counter;
priv->can.ctrlmode_supported = CAN_CTRLMODE_BERR_REPORTING;
--
1.9.1
