Re: [PATCH v8 15/18] ARM: STi: DT: STiH407: Add uniperif reader dt nodes

[Lee Jones]

On Tue, 30 Aug 2016, Peter Griffin wrote:
> Thanks for reviewing and your very valuable feedback.
> On Tue, 30 Aug 2016, Lee Jones wrote:
> > On Fri, 26 Aug 2016, Peter Griffin wrote:
> > 
> > > This patch adds the DT node for the uniperif reader
> > > IP block found on STiH407 family silicon.
> > > 
> > > Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@xxxxxx>
> > > Signed-off-by: Peter Griffin <peter.griffin@xxxxxxxxxx>
> > > ---
> > >  arch/arm/boot/dts/stih407-family.dtsi | 26 ++++++++++++++++++++++++++
> > >  1 file changed, 26 insertions(+)
> > > 
> > > diff --git a/arch/arm/boot/dts/stih407-family.dtsi b/arch/arm/boot/dts/stih407-family.dtsi
> > > index d263c96..bdddf2c 100644
> > > --- a/arch/arm/boot/dts/stih407-family.dtsi
> > > +++ b/arch/arm/boot/dts/stih407-family.dtsi
> > > @@ -956,5 +956,31 @@
> > >  			st,version = <5>;
> > >  			st,mode = "SPDIF";
> > >  		};
> > > +
> > > +		sti_uni_reader0: sti-uni-reader@0 {
> > > +			compatible = "st,sti-uni-reader";
> > > +			status = "disabled";
> > 
> > I find it's normally nicer to place the status of the node at the
> > bottom, separated by a '\n'.
> 
> Ok I'll add a superflous '\n' in the next version.

Everyone loves a smart arse!

In this case I believe the '\n' to be a functional separator and not
superfluous at all.

> > > +			dai-name = "Uni Reader #0 (PCM IN)";
> > 
> > Oooo, not seen something like this before.
> > 
> > If it does not already have one, it would require a DT Ack.
> 
> No idea, the driver got merged 1 year ago.
> 
> Arnaud did you get a DT ack when you merged this driver & binding?
> > 
> > > +			st,version = <3>;
> > 
> > This will likely need a DT Ack too.  We usually encode this sort of
> > information in the compatible string.
> 
> See 05c1b4480e86a871b18030d6f3d532dc0ecdf38c

Well Rob's the boss.  We certainly never used to take 'device ID' or
'version' attributes.  I guess something must have changed.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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