diff options
Diffstat (limited to 'include/linux/iosys-map.h')
| -rw-r--r-- | include/linux/iosys-map.h | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/include/linux/iosys-map.h b/include/linux/iosys-map.h index f4186f91caa6..edd730b1e899 100644 --- a/include/linux/iosys-map.h +++ b/include/linux/iosys-map.h @@ -220,22 +220,23 @@ static inline void iosys_map_clear(struct iosys_map *map) } /** - * iosys_map_memcpy_to - Memcpy into iosys mapping + * iosys_map_memcpy_to - Memcpy into offset of iosys_map * @dst: The iosys_map structure + * @dst_offset: The offset from which to copy * @src: The source buffer * @len: The number of byte in src * - * Copies data into a iosys mapping. The source buffer is in system - * memory. Depending on the buffer's location, the helper picks the correct - * method of accessing the memory. + * Copies data into a iosys_map with an offset. The source buffer is in + * system memory. Depending on the buffer's location, the helper picks the + * correct method of accessing the memory. */ -static inline void iosys_map_memcpy_to(struct iosys_map *dst, const void *src, - size_t len) +static inline void iosys_map_memcpy_to(struct iosys_map *dst, size_t dst_offset, + const void *src, size_t len) { if (dst->is_iomem) - memcpy_toio(dst->vaddr_iomem, src, len); + memcpy_toio(dst->vaddr_iomem + dst_offset, src, len); else - memcpy(dst->vaddr, src, len); + memcpy(dst->vaddr + dst_offset, src, len); } /** |