diff options
| author | Jens Axboe <jens.axboe@oracle.com> | 2007-10-24 09:20:47 (GMT) |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2007-10-24 09:20:47 (GMT) |
| commit | 642f149031d70415d9318b919d50b71e4724adbd (patch) | |
| tree | e792ad29dedffc6756d55e9d63e18ada35515b4b /drivers/media/video/ivtv/ivtv-udma.c | |
| parent | bd6dee6f30a0f6943df190b387b5f8fe98a848f3 (diff) | |
| download | linux-642f149031d70415d9318b919d50b71e4724adbd.tar.xz | |
SG: Change sg_set_page() to take length and offset argument
Most drivers need to set length and offset as well, so may as well fold
those three lines into one.
Add sg_assign_page() for those two locations that only needed to set
the page, where the offset/length is set outside of the function context.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/media/video/ivtv/ivtv-udma.c')
| -rw-r--r-- | drivers/media/video/ivtv/ivtv-udma.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/media/video/ivtv/ivtv-udma.c b/drivers/media/video/ivtv/ivtv-udma.c index 912b424..460db03 100644 --- a/drivers/media/video/ivtv/ivtv-udma.c +++ b/drivers/media/video/ivtv/ivtv-udma.c @@ -49,8 +49,6 @@ int ivtv_udma_fill_sg_list (struct ivtv_user_dma *dma, struct ivtv_dma_page_info unsigned int len = (i == dma_page->page_count - 1) ? dma_page->tail : PAGE_SIZE - offset; - dma->SGlist[map_offset].length = len; - dma->SGlist[map_offset].offset = offset; if (PageHighMem(dma->map[map_offset])) { void *src; @@ -63,10 +61,10 @@ int ivtv_udma_fill_sg_list (struct ivtv_user_dma *dma, struct ivtv_dma_page_info memcpy(page_address(dma->bouncemap[map_offset]) + offset, src, len); kunmap_atomic(src, KM_BOUNCE_READ); local_irq_restore(flags); - sg_set_page(&dma->SGlist[map_offset], dma->bouncemap[map_offset]); + sg_set_page(&dma->SGlist[map_offset], dma->bouncemap[map_offset], len, offset); } else { - sg_set_page(&dma->SGlist[map_offset], dma->map[map_offset]); + sg_set_page(&dma->SGlist[map_offset], dma->map[map_offset], len, offset); } offset = 0; map_offset++; |