diff options
Diffstat (limited to 'drivers/base/platform.c')
| -rw-r--r-- | drivers/base/platform.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/base/platform.c b/drivers/base/platform.c index e5d8a0503b4f..4b3dc6813714 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -45,6 +45,8 @@ EXPORT_SYMBOL_GPL(platform_bus); * @dev: platform device * @type: resource type * @num: resource index + * + * Return: a pointer to the resource or NULL on failure. */ struct resource *platform_get_resource(struct platform_device *dev, unsigned int type, unsigned int num) @@ -70,6 +72,9 @@ EXPORT_SYMBOL_GPL(platform_get_resource); * resource management * @index: resource index * @res: optional output parameter to store a pointer to the obtained resource. + * + * Return: a pointer to the remapped memory or an ERR_PTR() encoded error code + * on failure. */ void __iomem * devm_platform_get_and_ioremap_resource(struct platform_device *pdev, @@ -91,6 +96,9 @@ EXPORT_SYMBOL_GPL(devm_platform_get_and_ioremap_resource); * @pdev: platform device to use both for memory resource lookup as well as * resource management * @index: resource index + * + * Return: a pointer to the remapped memory or an ERR_PTR() encoded error code + * on failure. */ void __iomem *devm_platform_ioremap_resource(struct platform_device *pdev, unsigned int index) @@ -106,6 +114,9 @@ EXPORT_SYMBOL_GPL(devm_platform_ioremap_resource); * @pdev: platform device to use both for memory resource lookup as well as * resource management * @index: resource index + * + * Return: a pointer to the remapped memory or an ERR_PTR() encoded error code + * on failure. */ void __iomem *devm_platform_ioremap_resource_wc(struct platform_device *pdev, unsigned int index) @@ -124,6 +135,9 @@ void __iomem *devm_platform_ioremap_resource_wc(struct platform_device *pdev, * @pdev: platform device to use both for memory resource lookup as well as * resource management * @name: name of the resource + * + * Return: a pointer to the remapped memory or an ERR_PTR() encoded error code + * on failure. */ void __iomem * devm_platform_ioremap_resource_byname(struct platform_device *pdev, |