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Signed-off-by: Michael Grzeschik --- include/linux/ioport.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/include/linux/ioport.h b/include/linux/ioport.h index 290f9feddcb900d92b61169acc46d7e1ead62c91..e24984f7f722eae5466a4e198457adda6601bf77 100644 --- a/include/linux/ioport.h +++ b/include/linux/ioport.h @@ -234,5 +234,36 @@ static inline bool is_reserved_resource(const struct resource *res) return false; } +/** + * resource_set_size - Calculate resource end address from size and start + * @res: Resource descriptor + * @size: Size of the resource + * + * Calculate the end address for @res based on @size. + * + * Note: The start address of @res must be set when calling this function. + * Prefer resource_set_range() if setting both the start address and @size. + */ +static inline void resource_set_size(struct resource *res, resource_size_t size) +{ + res->end = res->start + size - 1; +} + +/** + * resource_set_range - Set resource start and end addresses + * @res: Resource descriptor + * @start: Start address for the resource + * @size: Size of the resource + * + * Set @res start address and calculate the end address based on @size. + */ +static inline void resource_set_range(struct resource *res, + resource_size_t start, + resource_size_t size) +{ + res->start = start; + resource_set_size(res, size); +} + #endif /* __ASSEMBLY__ */ #endif /* _LINUX_IOPORT_H */ -- 2.47.3