diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/can/spi/mcp251x.c | 35 |
1 files changed, 18 insertions, 17 deletions
diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c index 492f1bcb0516..173c6614086f 100644 --- a/drivers/net/can/spi/mcp251x.c +++ b/drivers/net/can/spi/mcp251x.c @@ -956,8 +956,6 @@ static int mcp251x_stop(struct net_device *net) priv->force_quit = 1; free_irq(spi->irq, priv); - destroy_workqueue(priv->wq); - priv->wq = NULL; mutex_lock(&priv->mcp_lock); @@ -1224,24 +1222,15 @@ static int mcp251x_open(struct net_device *net) goto out_close; } - priv->wq = alloc_workqueue("mcp251x_wq", WQ_FREEZABLE | WQ_MEM_RECLAIM, - 0); - if (!priv->wq) { - ret = -ENOMEM; - goto out_clean; - } - INIT_WORK(&priv->tx_work, mcp251x_tx_work_handler); - INIT_WORK(&priv->restart_work, mcp251x_restart_work_handler); - ret = mcp251x_hw_wake(spi); if (ret) - goto out_free_wq; + goto out_free_irq; ret = mcp251x_setup(net, spi); if (ret) - goto out_free_wq; + goto out_free_irq; ret = mcp251x_set_normal_mode(spi); if (ret) - goto out_free_wq; + goto out_free_irq; can_led_event(net, CAN_LED_EVENT_OPEN); @@ -1250,9 +1239,7 @@ static int mcp251x_open(struct net_device *net) return 0; -out_free_wq: - destroy_workqueue(priv->wq); -out_clean: +out_free_irq: free_irq(spi->irq, priv); mcp251x_hw_sleep(spi); out_close: @@ -1373,6 +1360,15 @@ static int mcp251x_can_probe(struct spi_device *spi) if (ret) goto out_clk; + priv->wq = alloc_workqueue("mcp251x_wq", WQ_FREEZABLE | WQ_MEM_RECLAIM, + 0); + if (!priv->wq) { + ret = -ENOMEM; + goto out_clk; + } + INIT_WORK(&priv->tx_work, mcp251x_tx_work_handler); + INIT_WORK(&priv->restart_work, mcp251x_restart_work_handler); + priv->spi = spi; mutex_init(&priv->mcp_lock); @@ -1417,6 +1413,8 @@ static int mcp251x_can_probe(struct spi_device *spi) return 0; error_probe: + destroy_workqueue(priv->wq); + priv->wq = NULL; mcp251x_power_enable(priv->power, 0); out_clk: @@ -1438,6 +1436,9 @@ static int mcp251x_can_remove(struct spi_device *spi) mcp251x_power_enable(priv->power, 0); + destroy_workqueue(priv->wq); + priv->wq = NULL; + clk_disable_unprepare(priv->clk); free_candev(net); |