From: Viresh Kumar <viresh.kumar@linaro.org>
To: "Måns Rullgård" <mans@mansr.com>
Cc: Viresh Kumar <vireshk@kernel.org>,
Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
Dan Williams <dan.j.williams@intel.com>,
Vinod Koul <vinod.koul@intel.com>,
dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 2/2] dmaengine: dw: fix cyclic transfer callbacks
Date: Mon, 11 Jan 2016 21:38:27 +0530 [thread overview]
Message-ID: <20160111160827.GC1084@ubuntu> (raw)
In-Reply-To: <yw1x37u4xkyf.fsf@unicorn.mansr.com>
On 11-01-16, 14:14, Måns Rullgård wrote:
> Viresh Kumar <viresh.kumar@linaro.org> 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@mansr.com>
> >> ---
> >> Changes:
> >> - new patch
> >> ---
> >> drivers/dma/dw/core.c | 21 +++++++++++++++------
> >> 1 file changed, 15 insertions(+), 6 deletions(-)
> >
> > Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
> >
> > 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
next prev parent reply other threads:[~2016-01-11 16:08 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-11 13:04 [PATCH v2 0/2] dmaengine: dw: fix cyclic transfers Mans Rullgard
2016-01-11 13:04 ` [PATCH v2 1/2] dmaengine: dw: fix cyclic transfer setup Mans Rullgard
2016-01-11 14:08 ` Viresh Kumar
2016-01-11 13:04 ` [PATCH v2 2/2] dmaengine: dw: fix cyclic transfer callbacks Mans Rullgard
2016-01-11 14:10 ` Viresh Kumar
2016-01-11 14:14 ` Måns Rullgård
2016-01-11 16:08 ` Viresh Kumar [this message]
2016-01-14 5:44 ` Vinod Koul
2016-01-11 15:04 ` Andy Shevchenko
2016-01-11 15:09 ` Måns Rullgård
2016-01-11 15:17 ` Andy Shevchenko
2016-01-11 15:22 ` Måns Rullgård
2016-01-11 15:24 ` Andy Shevchenko
2016-01-14 5:52 ` [PATCH v2 0/2] dmaengine: dw: fix cyclic transfers Vinod Koul
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