Messages in this thread Patch in this message | | | From | "Enrico Weigelt, metux IT consult" <> | Subject | [PATCH] lib: devres: devm_ioremap_resource() make res parameter const | Date | Fri, 8 Mar 2019 11:58:45 +0100 |
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devm_ioremap_resource() doesn't change the passed struct resource, so it can be a const pointer.
Now, calls sites w/ fixed resources can declare them static. (in some cases possibly even __initconst)
Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net> --- include/linux/device.h | 3 ++- lib/devres.c | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/include/linux/device.h b/include/linux/device.h index 54b58610..c387901 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -706,7 +706,8 @@ extern unsigned long devm_get_free_pages(struct device *dev, gfp_t gfp_mask, unsigned int order); extern void devm_free_pages(struct device *dev, unsigned long addr); -void __iomem *devm_ioremap_resource(struct device *dev, struct resource *res); +void __iomem *devm_ioremap_resource(struct device *dev, + const struct resource *res); void __iomem *devm_of_iomap(struct device *dev, struct device_node *node, int index, diff --git a/lib/devres.c b/lib/devres.c index 69bed2f..6a0e9bd 100644 --- a/lib/devres.c +++ b/lib/devres.c @@ -131,7 +131,8 @@ void devm_iounmap(struct device *dev, void __iomem *addr) * if (IS_ERR(base)) * return PTR_ERR(base); */ -void __iomem *devm_ioremap_resource(struct device *dev, struct resource *res) +void __iomem *devm_ioremap_resource(struct device *dev, + const struct resource *res) { resource_size_t size; void __iomem *dest_ptr; -- 1.9.1
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