diff options
| author | Thomas Zimmermann <tzimmermann@suse.de> | 2022-08-08 14:53:53 +0200 |
|---|---|---|
| committer | Thomas Zimmermann <tzimmermann@suse.de> | 2022-08-10 09:15:16 +0200 |
| commit | 116d902fa9ff1f559b66bafad0f0cad90df95d21 (patch) | |
| tree | 6de05772f4cbc2d05390d63bf0fa0ec7bd955092 /include/linux/iosys-map.h | |
| parent | 730c2bf4ad395acf0aa0820535fdb8ea6abe5df1 (diff) | |
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 <tzimmermann@suse.de>
Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220808125406.20752-2-tzimmermann@suse.de
Diffstat (limited to 'include/linux/iosys-map.h')
| -rw-r--r-- | include/linux/iosys-map.h | 15 |
1 files changed, 14 insertions, 1 deletions
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 @@ -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 |