From a5f8f0e1a57025287697df78ce5e6b7d6b2b07b0 Mon Sep 17 00:00:00 2001 From: Matthias Fuchs Date: Mon, 29 Oct 2012 10:54:47 +0100 Subject: [PATCH] can: usb: esd_usb2: Add support for listen-only mode Add listen-only mode for esd_usb2 driver. Signed-off-by: Matthias Fuchs Signed-off-by: Marc Kleine-Budde --- drivers/net/can/usb/esd_usb2.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c index bd36e5517173..f4317c0efed4 100644 --- a/drivers/net/can/usb/esd_usb2.c +++ b/drivers/net/can/usb/esd_usb2.c @@ -891,6 +891,9 @@ static int esd_usb2_set_bittiming(struct net_device *netdev) u32 canbtr; canbtr = ESD_USB2_UBR; + if (priv->can.ctrlmode & CAN_CTRLMODE_LISTENONLY) + canbtr |= ESD_USB2_LOM; + canbtr |= (bt->brp - 1) & (ESD_USB2_BRP_MAX - 1); canbtr |= ((bt->sjw - 1) & (ESD_USB2_SJW_MAX - 1)) << ESD_USB2_SJW_SHIFT; @@ -971,6 +974,7 @@ static int esd_usb2_probe_one_net(struct usb_interface *intf, int index) priv->index = index; priv->can.state = CAN_STATE_STOPPED; + priv->can.ctrlmode_supported = CAN_CTRLMODE_LISTENONLY; priv->can.clock.freq = ESD_USB2_CAN_CLOCK; priv->can.bittiming_const = &esd_usb2_bittiming_const; priv->can.do_set_bittiming = esd_usb2_set_bittiming;