On Mon, Aug 08, 2022 at 02:53:53PM +0200, Thomas Zimmermann wrote:
Add IOSYS_MAP_INIT_VADDR_IOMEM() for static init of variables of type struct iosys_map. Signed-off-by: Thomas Zimmermann <tzimmermann@xxxxxxx>
Reviewed-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx> Lucas De Marchi
--- include/linux/iosys-map.h | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/include/linux/iosys-map.h b/include/linux/iosys-map.h index a533cae189d7..cb71aa616bd3 100644 --- a/include/linux/iosys-map.h +++ b/include/linux/iosys-map.h @@ -46,10 +46,13 @@ * * iosys_map_set_vaddr(&map, 0xdeadbeaf); * - * To set an address in I/O memory, use iosys_map_set_vaddr_iomem(). + * To set an address in I/O memory, use IOSYS_MAP_INIT_VADDR_IOMEM() or + * iosys_map_set_vaddr_iomem(). * * .. code-block:: c * + * struct iosys_map map = IOSYS_MAP_INIT_VADDR_IOMEM(0xdeadbeaf); + * * iosys_map_set_vaddr_iomem(&map, 0xdeadbeaf); * * Instances of struct iosys_map do not have to be cleaned up, but @@ -121,6 +124,16 @@ struct iosys_map { .is_iomem = false, \ } +/** + * IOSYS_MAP_INIT_VADDR_IOMEM - Initializes struct iosys_map to an address in I/O memory + * @vaddr_iomem_: An I/O-memory address + */ +#define IOSYS_MAP_INIT_VADDR_IOMEM(vaddr_iomem_) \ + { \ + .vaddr_iomem = (vaddr_iomem_), \ + .is_iomem = true, \ + } + /** * IOSYS_MAP_INIT_OFFSET - Initializes struct iosys_map from another iosys_map * @map_: The dma-buf mapping structure to copy from -- 2.37.1