diff options
Diffstat (limited to 'drivers/net/can/m_can/m_can_platform.c')
| -rw-r--r-- | drivers/net/can/m_can/m_can_platform.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/net/can/m_can/m_can_platform.c b/drivers/net/can/m_can/m_can_platform.c index c2989e0431f2..6ac4c35f247a 100644 --- a/drivers/net/can/m_can/m_can_platform.c +++ b/drivers/net/can/m_can/m_can_platform.c @@ -16,24 +16,21 @@ struct m_can_plat_priv { static u32 iomap_read_reg(struct m_can_classdev *cdev, int reg) { - struct m_can_plat_priv *priv = - (struct m_can_plat_priv *)cdev->device_data; + struct m_can_plat_priv *priv = cdev->device_data; return readl(priv->base + reg); } static u32 iomap_read_fifo(struct m_can_classdev *cdev, int offset) { - struct m_can_plat_priv *priv = - (struct m_can_plat_priv *)cdev->device_data; + struct m_can_plat_priv *priv = cdev->device_data; return readl(priv->mram_base + offset); } static int iomap_write_reg(struct m_can_classdev *cdev, int reg, int val) { - struct m_can_plat_priv *priv = - (struct m_can_plat_priv *)cdev->device_data; + struct m_can_plat_priv *priv = cdev->device_data; writel(val, priv->base + reg); @@ -42,8 +39,7 @@ static int iomap_write_reg(struct m_can_classdev *cdev, int reg, int val) static int iomap_write_fifo(struct m_can_classdev *cdev, int offset, int val) { - struct m_can_plat_priv *priv = - (struct m_can_plat_priv *)cdev->device_data; + struct m_can_plat_priv *priv = cdev->device_data; writel(val, priv->mram_base + offset); @@ -67,6 +63,9 @@ static int m_can_plat_probe(struct platform_device *pdev) int irq, ret = 0; mcan_class = m_can_class_allocate_dev(&pdev->dev); + if (!mcan_class) + return -ENOMEM; + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; |