diff options
Diffstat (limited to 'kernel/drivers/gpio/gpio-74xx-mmio.c')
-rw-r--r-- | kernel/drivers/gpio/gpio-74xx-mmio.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/kernel/drivers/gpio/gpio-74xx-mmio.c b/kernel/drivers/gpio/gpio-74xx-mmio.c index 0763655cc..6b1868290 100644 --- a/kernel/drivers/gpio/gpio-74xx-mmio.c +++ b/kernel/drivers/gpio/gpio-74xx-mmio.c @@ -113,13 +113,16 @@ static int mmio_74xx_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) static int mmio_74xx_gpio_probe(struct platform_device *pdev) { - const struct of_device_id *of_id = - of_match_device(mmio_74xx_gpio_ids, &pdev->dev); + const struct of_device_id *of_id; struct mmio_74xx_gpio_priv *priv; struct resource *res; void __iomem *dat; int err; + of_id = of_match_device(mmio_74xx_gpio_ids, &pdev->dev); + if (!of_id) + return -ENODEV; + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; @@ -129,7 +132,7 @@ static int mmio_74xx_gpio_probe(struct platform_device *pdev) if (IS_ERR(dat)) return PTR_ERR(dat); - priv->flags = (unsigned)of_id->data; + priv->flags = (uintptr_t) of_id->data; err = bgpio_init(&priv->bgc, &pdev->dev, DIV_ROUND_UP(MMIO_74XX_BIT_CNT(priv->flags), 8), |