diff options
| -rw-r--r-- | drivers/base/platform.c | 22 | ||||
| -rw-r--r-- | include/linux/platform_device.h | 3 |
2 files changed, 25 insertions, 0 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c index b5ce7b085795..8f0f62bdc58e 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -63,6 +63,28 @@ EXPORT_SYMBOL_GPL(platform_get_resource); #ifdef CONFIG_HAS_IOMEM /** + * devm_platform_get_and_ioremap_resource - call devm_ioremap_resource() for a + * platform device and get resource + * + * @pdev: platform device to use both for memory resource lookup as well as + * resource management + * @index: resource index + * @res: optional output parameter to store a pointer to the obtained resource. + */ +void __iomem * +devm_platform_get_and_ioremap_resource(struct platform_device *pdev, + unsigned int index, struct resource **res) +{ + struct resource *r; + + r = platform_get_resource(pdev, IORESOURCE_MEM, index); + if (res) + *res = r; + return devm_ioremap_resource(&pdev->dev, r); +} +EXPORT_SYMBOL_GPL(devm_platform_get_and_ioremap_resource); + +/** * devm_platform_ioremap_resource - call devm_ioremap_resource() for a platform * device * diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h index 041bfa412aa0..f242f66db19d 100644 --- a/include/linux/platform_device.h +++ b/include/linux/platform_device.h @@ -55,6 +55,9 @@ extern struct device * platform_find_device_by_driver(struct device *start, const struct device_driver *drv); extern void __iomem * +devm_platform_get_and_ioremap_resource(struct platform_device *pdev, + unsigned int index, struct resource **res); +extern void __iomem * devm_platform_ioremap_resource(struct platform_device *pdev, unsigned int index); extern void __iomem * |