diff options
author | Florian Vaussard <florian.vaussard@epfl.ch> | 2014-01-31 14:34:34 +0100 |
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committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2014-02-04 10:10:47 +0100 |
commit | 342180f7dcfb00e4019a0cd0f0e9bfd0c186c710 (patch) | |
tree | 58b66eba906b2f40a257e9279ed9b878ed83a9f1 /drivers/net/can/sja1000 | |
parent | 909285c437d4ff85ed55eae13eebd5c851570304 (diff) | |
download | op-kernel-dev-342180f7dcfb00e4019a0cd0f0e9bfd0c186c710.zip op-kernel-dev-342180f7dcfb00e4019a0cd0f0e9bfd0c186c710.tar.gz |
can: sja1000: platform: use devm_* APIs
Simplify probe and remove functions by converting most of the resources
to use devm_* APIs.
Signed-off-by: Florian Vaussard <florian.vaussard@epfl.ch>
Tested-by: Andreas Larsson <andreas@gaisler.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can/sja1000')
-rw-r--r-- | drivers/net/can/sja1000/sja1000_platform.c | 46 |
1 files changed, 12 insertions, 34 deletions
diff --git a/drivers/net/can/sja1000/sja1000_platform.c b/drivers/net/can/sja1000/sja1000_platform.c index 943df64..50ca273 100644 --- a/drivers/net/can/sja1000/sja1000_platform.c +++ b/drivers/net/can/sja1000/sja1000_platform.c @@ -78,34 +78,26 @@ static int sp_probe(struct platform_device *pdev) pdata = dev_get_platdata(&pdev->dev); if (!pdata) { dev_err(&pdev->dev, "No platform data provided!\n"); - err = -ENODEV; - goto exit; + return -ENODEV; } res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); res_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - if (!res_mem || !res_irq) { - err = -ENODEV; - goto exit; - } + if (!res_mem || !res_irq) + return -ENODEV; - if (!request_mem_region(res_mem->start, resource_size(res_mem), - DRV_NAME)) { - err = -EBUSY; - goto exit; - } + if (!devm_request_mem_region(&pdev->dev, res_mem->start, + resource_size(res_mem), DRV_NAME)) + return -EBUSY; - addr = ioremap_nocache(res_mem->start, resource_size(res_mem)); - if (!addr) { - err = -ENOMEM; - goto exit_release; - } + addr = devm_ioremap_nocache(&pdev->dev, res_mem->start, + resource_size(res_mem)); + if (!addr) + return -ENOMEM; dev = alloc_sja1000dev(0); - if (!dev) { - err = -ENOMEM; - goto exit_iounmap; - } + if (!dev) + return -ENOMEM; priv = netdev_priv(dev); dev->irq = res_irq->start; @@ -150,28 +142,14 @@ static int sp_probe(struct platform_device *pdev) exit_free: free_sja1000dev(dev); - exit_iounmap: - iounmap(addr); - exit_release: - release_mem_region(res_mem->start, resource_size(res_mem)); - exit: return err; } static int sp_remove(struct platform_device *pdev) { struct net_device *dev = platform_get_drvdata(pdev); - struct sja1000_priv *priv = netdev_priv(dev); - struct resource *res; unregister_sja1000dev(dev); - - if (priv->reg_base) - iounmap(priv->reg_base); - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - release_mem_region(res->start, resource_size(res)); - free_sja1000dev(dev); return 0; |