From: Thomas Zimmermann Date: Mon, 8 Aug 2022 12:53:53 +0000 (+0200) Subject: iosys-map: Add IOSYS_MAP_INIT_VADDR_IOMEM() X-Git-Tag: v6.1-rc5~176^2~22^2~28 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=116d902fa9ff1f559b66bafad0f0cad90df95d21;p=platform%2Fkernel%2Flinux-starfive.git iosys-map: Add IOSYS_MAP_INIT_VADDR_IOMEM() Add IOSYS_MAP_INIT_VADDR_IOMEM() for static init of variables of type struct iosys_map. Signed-off-by: Thomas Zimmermann Reviewed-by: Lucas De Marchi Reviewed-by: Sam Ravnborg Link: https://patchwork.freedesktop.org/patch/msgid/20220808125406.20752-2-tzimmermann@suse.de --- diff --git a/include/linux/iosys-map.h b/include/linux/iosys-map.h index a533cae..cb71aa6 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 @@ -122,6 +125,16 @@ struct iosys_map { } /** + * 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 * @offset_: Offset to add to the other mapping