diff options
| -rw-r--r-- | drivers/net/can/mcp251x.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/net/can/mcp251x.c b/drivers/net/can/mcp251x.c index 8f48f4b..78b1b69 100644 --- a/drivers/net/can/mcp251x.c +++ b/drivers/net/can/mcp251x.c @@ -594,13 +594,7 @@ static int mcp251x_do_set_bittiming(struct net_device *net) static int mcp251x_setup(struct net_device *net, struct mcp251x_priv *priv, struct spi_device *spi) { - int ret; - - ret = open_candev(net); - if (ret) { - dev_err(&spi->dev, "unable to set initial baudrate!\n"); - return ret; - } + mcp251x_do_set_bittiming(net); /* Enable RX0->RX1 buffer roll over and disable filters */ mcp251x_write_bits(spi, RXBCTRL(0), @@ -671,6 +665,12 @@ static int mcp251x_open(struct net_device *net) struct mcp251x_platform_data *pdata = spi->dev.platform_data; int ret; + ret = open_candev(net); + if (ret) { + dev_err(&spi->dev, "unable to set initial baudrate!\n"); + return ret; + } + if (pdata->transceiver_enable) pdata->transceiver_enable(1); @@ -684,6 +684,7 @@ static int mcp251x_open(struct net_device *net) dev_err(&spi->dev, "failed to acquire irq %d\n", spi->irq); if (pdata->transceiver_enable) pdata->transceiver_enable(0); + close_candev(net); return ret; } @@ -692,8 +693,10 @@ static int mcp251x_open(struct net_device *net) ret = mcp251x_setup(net, priv, spi); if (ret) { free_irq(spi->irq, net); + mcp251x_hw_sleep(spi); if (pdata->transceiver_enable) pdata->transceiver_enable(0); + close_candev(net); return ret; } mcp251x_set_normal_mode(spi); @@ -956,7 +959,6 @@ static int __devinit mcp251x_can_probe(struct spi_device *spi) priv->can.bittiming_const = &mcp251x_bittiming_const; priv->can.do_set_mode = mcp251x_do_set_mode; priv->can.clock.freq = pdata->oscillator_frequency / 2; - priv->can.do_set_bittiming = mcp251x_do_set_bittiming; priv->net = net; dev_set_drvdata(&spi->dev, priv); |
