Re: [PATCH v2 2/2] dmaengine: dw: fix cyclic transfer callbacks

From: Viresh Kumar
Date: Mon Jan 11 2016 - 11:08:39 EST


On 11-01-16, 14:14, Måns Rullgård wrote:
> Viresh Kumar <viresh.kumar@xxxxxxxxxx> writes:
>
> > On 11-01-16, 13:04, Mans Rullgard wrote:
> >> Cyclic transfer callbacks rely on block completion interrupts which were
> >> disabled in commit ff7b05f29fd4 ("dmaengine/dw_dmac: Don't handle block
> >> interrupts"). This re-enables block interrupts so the cyclic callbacks
> >> can work. Other transfer types are not affected as they set the INT_EN
> >> bit only on the last block.
> >>
> >> Fixes: ff7b05f29fd4 ("dmaengine/dw_dmac: Don't handle block interrupts")
> >> Signed-off-by: Mans Rullgard <mans@xxxxxxxxx>
> >> ---
> >> Changes:
> >> - new patch
> >> ---
> >> drivers/dma/dw/core.c | 21 +++++++++++++++------
> >> 1 file changed, 15 insertions(+), 6 deletions(-)
> >
> > Reviewed-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
> >
> > BTW, Shouldn't you mark these for stable trees as well ? :)
>
> Probably. Some maintainers prefer to do that themselves, but apparently
> you're not one of them.

Vinod is the maintainer who is going to apply the patch :)

--
viresh