diff options
Diffstat (limited to 'drivers/net/can/sja1000/sja1000_platform.c')
| -rw-r--r-- | drivers/net/can/sja1000/sja1000_platform.c | 25 |
1 files changed, 8 insertions, 17 deletions
diff --git a/drivers/net/can/sja1000/sja1000_platform.c b/drivers/net/can/sja1000/sja1000_platform.c index 6779d5357069..2d555f854008 100644 --- a/drivers/net/can/sja1000/sja1000_platform.c +++ b/drivers/net/can/sja1000/sja1000_platform.c @@ -17,7 +17,6 @@ #include <linux/clk.h> #include <linux/io.h> #include <linux/of.h> -#include <linux/of_device.h> #include "sja1000.h" @@ -106,7 +105,7 @@ static void sp_technologic_init(struct sja1000_priv *priv, struct device_node *o static void sp_rzn1_init(struct sja1000_priv *priv, struct device_node *of) { - priv->flags = SJA1000_QUIRK_NO_CDR_REG; + priv->flags = SJA1000_QUIRK_NO_CDR_REG | SJA1000_QUIRK_RESET_ON_OVERRUN; } static void sp_populate(struct sja1000_priv *priv, @@ -231,18 +230,9 @@ static int sp_probe(struct platform_device *pdev) return -ENODEV; } - res_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res_mem) - return -ENODEV; - - if (!devm_request_mem_region(&pdev->dev, res_mem->start, - resource_size(res_mem), DRV_NAME)) - return -EBUSY; - - addr = devm_ioremap(&pdev->dev, res_mem->start, - resource_size(res_mem)); - if (!addr) - return -ENOMEM; + addr = devm_platform_get_and_ioremap_resource(pdev, 0, &res_mem); + if (IS_ERR(addr)) + return PTR_ERR(addr); if (of) { irq = platform_get_irq(pdev, 0); @@ -277,6 +267,9 @@ static int sp_probe(struct platform_device *pdev) priv->irq_flags = IRQF_SHARED; } + if (priv->flags & SJA1000_QUIRK_RESET_ON_OVERRUN) + priv->irq_flags |= IRQF_ONESHOT; + dev->irq = irq; priv->reg_base = addr; @@ -317,14 +310,12 @@ static int sp_probe(struct platform_device *pdev) return err; } -static int sp_remove(struct platform_device *pdev) +static void sp_remove(struct platform_device *pdev) { struct net_device *dev = platform_get_drvdata(pdev); unregister_sja1000dev(dev); free_sja1000dev(dev); - - return 0; } static struct platform_driver sp_driver = { |