On 09/29/2010 11:19 PM, Dan Williams wrote: > On Mon, Sep 27, 2010 at 3:57 PM, Ira W. Snyder <[email protected]> wrote: >> Now that the DMAEngine API has support for scatterlist to scatterlist >> copy, implement support for the STE DMA40 DMA controller. >> >> Cc: Linus Walleij <[email protected]> >> Cc: Per Fridén <[email protected]> >> Signed-off-by: Ira W. Snyder <[email protected]> >> --- >> drivers/dma/ste_dma40.c | 17 +++++++++++++++++ >> 1 files changed, 17 insertions(+), 0 deletions(-) >> >> diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c >> index 17e2600..cd48859 100644 >> --- a/drivers/dma/ste_dma40.c >> +++ b/drivers/dma/ste_dma40.c >> @@ -1857,6 +1857,18 @@ err: >> return NULL; >> } >> >> +static struct dma_async_tx_descriptor * >> +d40_prep_sg(struct dma_chan *chan, >> + struct scatterlist *dst_sg, unsigned int dst_nents, >> + struct scatterlist *src_sg, unsigned int src_nents, >> + unsigned long dma_flags) >> +{ >> + if (dst_nents != src_nents) >> + return -EINVAL; > > I suspect you wanted "return NULL;" here. I can fix that up. > > Linus, Per ack? > > -- > Dan Thanks Dan. Acked by Per.
/Per _______________________________________________ Linuxppc-dev mailing list [email protected] https://lists.ozlabs.org/listinfo/linuxppc-dev
