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can: usb: esd_usb2: Add support for listen-only mode 

Add listen-only mode for esd_usb2 driver.

Signed-off-by: Matthias Fuchs <matthias.fuchs@esd.eu>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This commit is contained in:
Matthias Fuchs 2012-10-29 10:54:47 +01:00 committed by Marc Kleine-Budde
parent e4bc6c0656
commit a5f8f0e1a5
1 changed files with 4 additions and 0 deletions
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4
drivers/net/can/usb/esd_usb2.c
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@ -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;