diff options
Diffstat (limited to 'drivers/gpio/gpio-mxs.c')
| -rw-r--r-- | drivers/gpio/gpio-mxs.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c index 859b6fabc7b..25000b0f845 100644 --- a/drivers/gpio/gpio-mxs.c +++ b/drivers/gpio/gpio-mxs.c @@ -20,6 +20,7 @@ * MA 02110-1301, USA. */ +#include <linux/err.h> #include <linux/init.h> #include <linux/interrupt.h> #include <linux/io.h> @@ -284,12 +285,14 @@ static int mxs_gpio_probe(struct platform_device *pdev) parent = of_get_parent(np); base = of_iomap(parent, 0); of_node_put(parent); + if (!base) + return -EADDRNOTAVAIL; } else { iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); - base = devm_request_and_ioremap(&pdev->dev, iores); + base = devm_ioremap_resource(&pdev->dev, iores); + if (IS_ERR(base)) + return PTR_ERR(base); } - if (!base) - return -EADDRNOTAVAIL; } port->base = base; |