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Commit 17a50ee4 authored by Yoann DI RUZZA's avatar Yoann DI RUZZA Committed by Marc Kleine-Budde
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can: at91_can: add listen only mode 



This patch adds listen only mode support to the at91_can driver.

Signed-off-by: default avatarYoann DI-RUZZA <ydiruzza@gmail.com>
Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent b18ec27c

drivers/net/can/at91_can.c

+7 −2
Original line number Diff line number Diff line
@@ -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;
@@ -1341,7 +1345,8 @@ 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;