diff options
Diffstat (limited to 'drivers/net/can/sja1000')
| -rw-r--r-- | drivers/net/can/sja1000/sja1000.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c index 45400d9aeedb..d1692154ed1b 100644 --- a/drivers/net/can/sja1000/sja1000.c +++ b/drivers/net/can/sja1000/sja1000.c @@ -141,6 +141,7 @@ static void set_normal_mode(struct net_device *dev) { struct sja1000_priv *priv = netdev_priv(dev); unsigned char status = priv->read_reg(priv, SJA1000_MOD); + u8 mod_reg_val = 0x00; int i; for (i = 0; i < 100; i++) { @@ -158,9 +159,10 @@ static void set_normal_mode(struct net_device *dev) /* set chip to normal mode */ if (priv->can.ctrlmode & CAN_CTRLMODE_LISTENONLY) - priv->write_reg(priv, SJA1000_MOD, MOD_LOM); - else - priv->write_reg(priv, SJA1000_MOD, 0x00); + mod_reg_val |= MOD_LOM; + if (priv->can.ctrlmode & CAN_CTRLMODE_PRESUME_ACK) + mod_reg_val |= MOD_STM; + priv->write_reg(priv, SJA1000_MOD, mod_reg_val); udelay(10); @@ -632,7 +634,8 @@ struct net_device *alloc_sja1000dev(int sizeof_priv) CAN_CTRLMODE_LISTENONLY | CAN_CTRLMODE_3_SAMPLES | CAN_CTRLMODE_ONE_SHOT | - CAN_CTRLMODE_BERR_REPORTING; + CAN_CTRLMODE_BERR_REPORTING | + CAN_CTRLMODE_PRESUME_ACK; spin_lock_init(&priv->cmdreg_lock); |