diff options
Diffstat (limited to 'include/asm-frv/scatterlist.h')
| -rw-r--r-- | include/asm-frv/scatterlist.h | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/include/asm-frv/scatterlist.h b/include/asm-frv/scatterlist.h index 8e827fa853f1..99ba76edc42a 100644 --- a/include/asm-frv/scatterlist.h +++ b/include/asm-frv/scatterlist.h @@ -4,25 +4,28 @@ #include <asm/types.h> /* - * Drivers must set either ->address or (preferred) ->page and ->offset + * Drivers must set either ->address or (preferred) page and ->offset * to indicate where data must be transferred to/from. * - * Using ->page is recommended since it handles highmem data as well as + * Using page is recommended since it handles highmem data as well as * low mem. ->address is restricted to data which has a virtual mapping, and - * it will go away in the future. Updating to ->page can be automated very + * it will go away in the future. Updating to page can be automated very * easily -- something like * * sg->address = some_ptr; * * can be rewritten as * - * sg->page = virt_to_page(some_ptr); + * sg_set_page(virt_to_page(some_ptr)); * sg->offset = (unsigned long) some_ptr & ~PAGE_MASK; * * and that's it. There's no excuse for not highmem enabling YOUR driver. /jens */ struct scatterlist { - struct page *page; /* Location for highmem page, if any */ +#ifdef CONFIG_DEBUG_SG + unsigned long sg_magic; +#endif + unsigned long page_link; unsigned int offset; /* for highmem, page offset */ dma_addr_t dma_address; |