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author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-02 18:55:08 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-02 18:55:08 +0300 |
commit | 6d6b89bd2e316b78d668f761d380837b81fa71ef (patch) | |
tree | 7e63c58611fc6181153526abbdafdd846ed1a19d /drivers/net/can/sja1000/sja1000.c | |
parent | 13dda80e48439b446d0bc9bab34b91484bc8f533 (diff) | |
parent | 2507c05ff55fbf38326b08ed27eaed233bc75042 (diff) | |
download | linux-6d6b89bd2e316b78d668f761d380837b81fa71ef.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1341 commits)
virtio_net: remove forgotten assignment
be2net: fix tx completion polling
sis190: fix cable detect via link status poll
net: fix protocol sk_buff field
bridge: Fix build error when IGMP_SNOOPING is not enabled
bnx2x: Tx barriers and locks
scm: Only support SCM_RIGHTS on unix domain sockets.
vhost-net: restart tx poll on sk_sndbuf full
vhost: fix get_user_pages_fast error handling
vhost: initialize log eventfd context pointer
vhost: logging thinko fix
wireless: convert to use netdev_for_each_mc_addr
ethtool: do not set some flags, if others failed
ipoib: returned back addrlen check for mc addresses
netlink: Adding inode field to /proc/net/netlink
axnet_cs: add new id
bridge: Make IGMP snooping depend upon BRIDGE.
bridge: Add multicast count/interval sysfs entries
bridge: Add hash elasticity/max sysfs entries
bridge: Add multicast_snooping sysfs toggle
...
Trivial conflicts in Documentation/feature-removal-schedule.txt
Diffstat (limited to 'drivers/net/can/sja1000/sja1000.c')
-rw-r--r-- | drivers/net/can/sja1000/sja1000.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c index 542a4f7255b4..145b1a731a53 100644 --- a/drivers/net/can/sja1000/sja1000.c +++ b/drivers/net/can/sja1000/sja1000.c @@ -130,8 +130,12 @@ static void set_normal_mode(struct net_device *dev) /* check reset bit */ if ((status & MOD_RM) == 0) { priv->can.state = CAN_STATE_ERROR_ACTIVE; - /* enable all interrupts */ - priv->write_reg(priv, REG_IER, IRQ_ALL); + /* enable interrupts */ + if (priv->can.ctrlmode & CAN_CTRLMODE_BERR_REPORTING) + priv->write_reg(priv, REG_IER, IRQ_ALL); + else + priv->write_reg(priv, REG_IER, + IRQ_ALL & ~IRQ_BEI); return; } @@ -203,6 +207,17 @@ static int sja1000_set_bittiming(struct net_device *dev) return 0; } +static int sja1000_get_berr_counter(const struct net_device *dev, + struct can_berr_counter *bec) +{ + struct sja1000_priv *priv = netdev_priv(dev); + + bec->txerr = priv->read_reg(priv, REG_TXERR); + bec->rxerr = priv->read_reg(priv, REG_RXERR); + + return 0; +} + /* * initialize SJA1000 chip: * - reset chip @@ -249,6 +264,9 @@ static netdev_tx_t sja1000_start_xmit(struct sk_buff *skb, uint8_t dreg; int i; + if (can_dropped_invalid_skb(dev, skb)) + return NETDEV_TX_OK; + netif_stop_queue(dev); fi = dlc = cf->can_dlc; @@ -434,6 +452,8 @@ static int sja1000_err(struct net_device *dev, uint8_t isrc, uint8_t status) CAN_ERR_CRTL_TX_PASSIVE : CAN_ERR_CRTL_RX_PASSIVE; } + cf->data[6] = txerr; + cf->data[7] = rxerr; } priv->can.state = state; @@ -564,6 +584,9 @@ struct net_device *alloc_sja1000dev(int sizeof_priv) priv->can.bittiming_const = &sja1000_bittiming_const; priv->can.do_set_bittiming = sja1000_set_bittiming; priv->can.do_set_mode = sja1000_set_mode; + priv->can.do_get_berr_counter = sja1000_get_berr_counter; + priv->can.ctrlmode_supported = CAN_CTRLMODE_3_SAMPLES | + CAN_CTRLMODE_BERR_REPORTING; if (sizeof_priv) priv->priv = (void *)priv + sizeof(struct sja1000_priv); |