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Groups > linux.kernel > #1274457
| From | Nicolin Chen <nicoleotsuka@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH V2 3/3] ASoC: fsl_asrc: spba clock is needed by asrc device |
| Date | 2015-11-20 23:10 +0100 |
| Message-ID | <qx22u-4OV-17@gated-at.bofh.it> (permalink) |
| References | <qwOsx-4aA-9@gated-at.bofh.it> <qwV10-8qz-29@gated-at.bofh.it> <qwV10-8qz-27@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, Nov 20, 2015 at 08:29:46AM -0600, Rob Herring wrote: > On Fri, Nov 20, 2015 at 02:17:53PM +0800, Shengjiu Wang wrote: > > ASRC need to enable the spba clock, when sdma is using share peripheral > > script. In this case, there is two spba master port is used, if don't > > enable the clock, the spba bus will have arbitration issue, which may > > cause read/write wrong data from/to ASRC registers > > > > Signed-off-by: Shengjiu Wang <shengjiu.wang@freescale.com> > > --- > > Documentation/devicetree/bindings/sound/fsl,asrc.txt | 2 ++ > > sound/soc/fsl/fsl_asrc.c | 10 ++++++++++ > > sound/soc/fsl/fsl_asrc.h | 1 + > > 3 files changed, 13 insertions(+) > > > > diff --git a/Documentation/devicetree/bindings/sound/fsl,asrc.txt b/Documentation/devicetree/bindings/sound/fsl,asrc.txt > > index b93362a..d8eeee3 100644 > > --- a/Documentation/devicetree/bindings/sound/fsl,asrc.txt > > +++ b/Documentation/devicetree/bindings/sound/fsl,asrc.txt > > @@ -25,6 +25,8 @@ Required properties: > > "mem" Peripheral access clock to access registers. > > "ipg" Peripheral clock to driver module. > > "asrck_<0-f>" Clock sources for input and output clock. > > + "spba" The spba clock is needed when two spba master port > > + is used. > > I'm assuming the same comments on patch 1 apply to all 3. Yes. I should have mentioned that. Nicolin -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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Re: [PATCH V2 3/3] ASoC: fsl_asrc: spba clock is needed by asrc device Rob Herring <robh@kernel.org> - 2015-11-20 15:40 +0100 Re: [PATCH V2 3/3] ASoC: fsl_asrc: spba clock is needed by asrc device Nicolin Chen <nicoleotsuka@gmail.com> - 2015-11-20 23:10 +0100
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