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net/can/mscan: add listen only mode

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This patch adds listen only mode to the mscan controller.

Signed-off-by: Marc Kleine-Budde <[email protected]>
Acked-by: Wolfgang Grandegger <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Marc Kleine-Budde 2011-11-09 10:50:49 +00:00 • committed by David S. Miller
commit 452448f928
1 changed files with 6 additions and 2 deletions
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8
drivers/net/can/mscan/mscan.c
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@ -581,7 +581,10 @@ static int mscan_open(struct net_device *dev)
priv->open_time = jiffies;
clrbits8(&regs->canctl1, MSCAN_LISTEN);
if (ctrlmode.flags & CAN_CTRLMODE_LISTENONLY)
setbits8(&regs->canctl1, MSCAN_LISTEN);
else
clrbits8(&regs->canctl1, MSCAN_LISTEN);
ret = mscan_start(dev);
if (ret)
@ -690,7 +693,8 @@ struct net_device *alloc_mscandev(void)
priv->can.bittiming_const = &mscan_bittiming_const;
priv->can.do_set_bittiming = mscan_do_set_bittiming;
priv->can.do_set_mode = mscan_do_set_mode;
priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES;
priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES |
CAN_CTRLMODE_LISTENONLY;
for (i = 0; i < TX_QUEUE_SIZE; i++) {
priv->tx_queue[i].id = i;