From: FUJITA Tomonori Date: Tue, 8 Jun 2010 11:03:15 +0000 (+0900) Subject: microblaze: Fix sg_dma_len() regression X-Git-Tag: cont_sys_log_2~6^2 X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=fcdcddbcbbd39a3363bd48414bfe44553b6d698a microblaze: Fix sg_dma_len() regression The commit "asm-generic: add NEED_SG_DMA_LENGTH to define sg_dma_len()" 18e98307de0d746cb0845ebf66535ce2184c25a2 broke microblaze compilation. dma_direct_map_sg() sets sg->dma_length, however microblaze doesn't set NEED_SG_DMA_LENGTH so scatterlist strcutres doesn't include dma_length. sg->dma_length is always equal to sg->length on microblaze. So we don't need to set set dma_length, that is, microblaze can simply use sg->length. Signed-off-by: FUJITA Tomonori Signed-off-by: Michal Simek --- diff --git a/arch/microblaze/kernel/dma.c b/arch/microblaze/kernel/dma.c index 9dcd90b..79c7465 100644 --- a/arch/microblaze/kernel/dma.c +++ b/arch/microblaze/kernel/dma.c @@ -90,7 +90,6 @@ static int dma_direct_map_sg(struct device *dev, struct scatterlist *sgl, /* FIXME this part of code is untested */ for_each_sg(sgl, sg, nents, i) { sg->dma_address = sg_phys(sg) + get_dma_direct_offset(dev); - sg->dma_length = sg->length; __dma_sync_page(page_to_phys(sg_page(sg)), sg->offset, sg->length, direction); }