Messages in this thread | | | Date | Thu, 24 Jan 2013 10:10:03 +0530 | Subject | Re: [PATCH v2 3/4] dw_dmac: fill individual length of descriptor | From | Viresh Kumar <> |
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On Wed, Jan 23, 2013 at 9:07 PM, Andy Shevchenko <andriy.shevchenko@linux.intel.com> wrote: > It will be useful to have the length of the transfer in the descriptor. The > cyclic transfer functions remained untouched. > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> > --- > drivers/dma/dw_dmac.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c > index c3062a5..026a3c7 100644 > --- a/drivers/dma/dw_dmac.c > +++ b/drivers/dma/dw_dmac.c > @@ -756,6 +756,7 @@ dwc_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, > desc->lli.dar = dest + offset; > desc->lli.ctllo = ctllo; > desc->lli.ctlhi = xfer_count; > + desc->len = xfer_count << src_width; > > if (!first) { > first = desc; > @@ -852,8 +853,8 @@ slave_sg_todev_fill_desc: > dlen = len; > len = 0; > } > -
:(
> desc->lli.ctlhi = dlen >> mem_width; > + desc->len = dlen; > > if (!first) { > first = desc; > @@ -912,6 +913,7 @@ slave_sg_fromdev_fill_desc: > len = 0; > } > desc->lli.ctlhi = dlen >> reg_width; > + desc->len = dlen; > > if (!first) { > first = desc;
After fixing that.
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
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