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Groups > linux.kernel > #1306287
| From | Viresh Kumar <viresh.kumar@linaro.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2 2/2] dmaengine: dw: fix cyclic transfer callbacks |
| Date | 2016-01-11 15:20 +0100 |
| Message-ID | <qPLua-3uR-11@gated-at.bofh.it> (permalink) |
| References | <qPKoq-2P4-3@gated-at.bofh.it> <qPKor-2P4-29@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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 ? :)
--
viresh
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[PATCH v2 0/2] dmaengine: dw: fix cyclic transfers Mans Rullgard <mans@mansr.com> - 2016-01-11 14:10 +0100
[PATCH v2 1/2] dmaengine: dw: fix cyclic transfer setup Mans Rullgard <mans@mansr.com> - 2016-01-11 14:10 +0100
Re: [PATCH v2 1/2] dmaengine: dw: fix cyclic transfer setup Viresh Kumar <viresh.kumar@linaro.org> - 2016-01-11 15:10 +0100
[PATCH v2 2/2] dmaengine: dw: fix cyclic transfer callbacks Mans Rullgard <mans@mansr.com> - 2016-01-11 14:10 +0100
Re: [PATCH v2 2/2] dmaengine: dw: fix cyclic transfer callbacks Viresh Kumar <viresh.kumar@linaro.org> - 2016-01-11 15:20 +0100
Re: [PATCH v2 2/2] dmaengine: dw: fix cyclic transfer callbacks Måns Rullgård <mans@mansr.com> - 2016-01-11 15:20 +0100
Re: [PATCH v2 2/2] dmaengine: dw: fix cyclic transfer callbacks Viresh Kumar <viresh.kumar@linaro.org> - 2016-01-11 17:10 +0100
Re: [PATCH v2 2/2] dmaengine: dw: fix cyclic transfer callbacks Vinod Koul <vinod.koul@intel.com> - 2016-01-14 06:50 +0100
Re: [PATCH v2 2/2] dmaengine: dw: fix cyclic transfer callbacks Måns Rullgård <mans@mansr.com> - 2016-01-11 16:10 +0100
Re: [PATCH v2 2/2] dmaengine: dw: fix cyclic transfer callbacks Andy Shevchenko <andy.shevchenko@gmail.com> - 2016-01-11 16:20 +0100
Re: [PATCH v2 2/2] dmaengine: dw: fix cyclic transfer callbacks Måns Rullgård <mans@mansr.com> - 2016-01-11 16:30 +0100
Re: [PATCH v2 2/2] dmaengine: dw: fix cyclic transfer callbacks Andy Shevchenko <andy.shevchenko@gmail.com> - 2016-01-11 16:30 +0100
Re: [PATCH v2 2/2] dmaengine: dw: fix cyclic transfer callbacks Andy Shevchenko <andriy.shevchenko@linux.intel.com> - 2016-01-11 16:10 +0100
Re: [PATCH v2 0/2] dmaengine: dw: fix cyclic transfers Vinod Koul <vinod.koul@intel.com> - 2016-01-14 06:50 +0100
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