diff options
Diffstat (limited to 'lib/devres.c')
| -rw-r--r-- | lib/devres.c | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/lib/devres.c b/lib/devres.c index f562bf6ff71d..f4a195a6efe4 100644 --- a/lib/devres.c +++ b/lib/devres.c | |||
| @@ -86,8 +86,6 @@ void devm_iounmap(struct device *dev, void __iomem *addr) | |||
| 86 | } | 86 | } |
| 87 | EXPORT_SYMBOL(devm_iounmap); | 87 | EXPORT_SYMBOL(devm_iounmap); |
| 88 | 88 | ||
| 89 | #define IOMEM_ERR_PTR(err) (__force void __iomem *)ERR_PTR(err) | ||
| 90 | |||
| 91 | /** | 89 | /** |
| 92 | * devm_ioremap_resource() - check, request region, and ioremap resource | 90 | * devm_ioremap_resource() - check, request region, and ioremap resource |
| 93 | * @dev: generic device to handle the resource for | 91 | * @dev: generic device to handle the resource for |
| @@ -142,34 +140,6 @@ void __iomem *devm_ioremap_resource(struct device *dev, struct resource *res) | |||
| 142 | } | 140 | } |
| 143 | EXPORT_SYMBOL(devm_ioremap_resource); | 141 | EXPORT_SYMBOL(devm_ioremap_resource); |
| 144 | 142 | ||
| 145 | /** | ||
| 146 | * devm_request_and_ioremap() - Check, request region, and ioremap resource | ||
| 147 | * @dev: Generic device to handle the resource for | ||
| 148 | * @res: resource to be handled | ||
| 149 | * | ||
| 150 | * Takes all necessary steps to ioremap a mem resource. Uses managed device, so | ||
| 151 | * everything is undone on driver detach. Checks arguments, so you can feed | ||
| 152 | * it the result from e.g. platform_get_resource() directly. Returns the | ||
| 153 | * remapped pointer or NULL on error. Usage example: | ||
| 154 | * | ||
| 155 | * res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | ||
| 156 | * base = devm_request_and_ioremap(&pdev->dev, res); | ||
| 157 | * if (!base) | ||
| 158 | * return -EADDRNOTAVAIL; | ||
| 159 | */ | ||
| 160 | void __iomem *devm_request_and_ioremap(struct device *dev, | ||
| 161 | struct resource *res) | ||
| 162 | { | ||
| 163 | void __iomem *dest_ptr; | ||
| 164 | |||
| 165 | dest_ptr = devm_ioremap_resource(dev, res); | ||
| 166 | if (IS_ERR(dest_ptr)) | ||
| 167 | return NULL; | ||
| 168 | |||
| 169 | return dest_ptr; | ||
| 170 | } | ||
| 171 | EXPORT_SYMBOL(devm_request_and_ioremap); | ||
| 172 | |||
| 173 | #ifdef CONFIG_HAS_IOPORT_MAP | 143 | #ifdef CONFIG_HAS_IOPORT_MAP |
| 174 | /* | 144 | /* |
| 175 | * Generic iomap devres | 145 | * Generic iomap devres |
