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authorJens Axboe <jens.axboe@oracle.com>2007-07-25 08:13:56 +0200
committerJens Axboe <jens.axboe@oracle.com>2007-10-16 11:21:00 +0200
commit55c16a70041ba55e235c5944dccb9c1de0dd3ca6 (patch)
treee48c1d9943fc52329cae1656ca59d24751dd9b98 /drivers/ide/cris/ide-cris.c
parentba2da2f8d61a9d2e24754c6311a4ab6a5e70060a (diff)
downloadop-kernel-dev-55c16a70041ba55e235c5944dccb9c1de0dd3ca6.zip
op-kernel-dev-55c16a70041ba55e235c5944dccb9c1de0dd3ca6.tar.gz
IDE: sg chaining support
Acked-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/ide/cris/ide-cris.c')
-rw-r--r--drivers/ide/cris/ide-cris.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/ide/cris/ide-cris.c b/drivers/ide/cris/ide-cris.c
index 2b4d2a0..c306c9f 100644
--- a/drivers/ide/cris/ide-cris.c
+++ b/drivers/ide/cris/ide-cris.c
@@ -939,7 +939,8 @@ static int cris_ide_build_dmatable (ide_drive_t *drive)
/* group sequential buffers into one large buffer */
addr = page_to_phys(sg->page) + sg->offset;
size = sg_dma_len(sg);
- while (sg++, --i) {
+ while (--i) {
+ sg = sg_next(sg);
if ((addr + size) != page_to_phys(sg->page) + sg->offset)
break;
size += sg_dma_len(sg);
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