Re: [PATCH v13 8/8] dt-bindings: iio: adc: add bindings doc for AD9467 ADC

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On Mon, 2020-03-30 at 14:35 +0100, Jonathan Cameron wrote:
> On Sun, 29 Mar 2020 11:19:15 +0100
> Jonathan Cameron <jic23@xxxxxxxxxx> wrote:
> 
> > On Thu, 26 Mar 2020 19:45:39 +0000
> > "Ardelean, Alexandru" <alexandru.Ardelean@xxxxxxxxxx> wrote:
> > 
> > > On Thu, 2020-03-26 at 12:56 -0600, Rob Herring wrote:  
> > > > On Tue, 24 Mar 2020 15:46:36 +0200, Alexandru Ardelean wrote:    
> > > > > This change adds the binding doc for the AD9467 ADC.
> > > > > 
> > > > > Signed-off-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx>
> > > > > ---
> > > > >  .../bindings/iio/adc/adi,ad9467.yaml          | 65
> > > > > +++++++++++++++++++
> > > > >  1 file changed, 65 insertions(+)
> > > > >  create mode 100644
> > > > > Documentation/devicetree/bindings/iio/adc/adi,ad9467.yaml
> > > > >     
> > > > 
> > > > Please add Acked-by/Reviewed-by tags when posting new versions. However,
> > > > there's no need to repost patches *only* to add the tags. The upstream
> > > > maintainer will do that for acks received on the version they apply.
> > > > 
> > > > If a tag was not added on purpose, please state why and what
> > > > changed.    
> > > 
> > > My bad. Apologies for that.
> > > No idea how I missed adding this. Especially since I already know that I
> > > should
> > > add it.
> > > 
> > > I guess I got mixed up with too many branches and not paying attention.  
> > Fixed the missing tag from Rob and whole series applied to the togreg branch
> > of
> > iio.git.  Pushed out as testing for the autobuilders to poke at it.
> > 
> > Exposing the dma buffer stuff to the autobuilders is great. So far the only
> > issue was that patch I took yesterday where we need to rethink things.
> > However, that's just my sanity check local build so I'm sure we broke
> > some obscure architecture :)
> 
> 0-day found some issues in the series..  Note I think this is the list that
> hasn't been human sanity checked yet so can be 'interesting'.
> 
> drivers/iio/adc/ad9467.c:288:13: warning: Checking if unsigned expression
> 'r_clk' is less than zero. [unsignedLessThanZero]
> r_clk = clock_round_rate that can indeed return a negative (long)
> I've dropped the unsigned given we check for negative so this should be safe.
> 
> drivers/iio/adc/ad9467.c:381:7: warning: Variable 'ret' is assigned a value
> that is never used. [unreadVariable]
> Missing error check. I've added it. Please sanity check in the testing branch.
> 
> 
> drivers/iio/adc/adi-axi-adc.c:158:18: warning: The scope of the variable
> 'ctrl' can be reduced. [variableScope]
> This one is silly.  Sure you could reduce the scope, but there is little risk
> in not doing so given all the
> function contains is one loop.
> 
> drivers/iio/adc/adi-axi-adc.c:354:32: warning: Redundant assignment of 'conv'
> to itself. [selfAssignment]
> This one is real. Fixed up. conv = conv = st->...
Oops.
May have been copy + paste err.

> 
> drivers/iio/adc/adi-axi-adc.c:355:9: warning: The scope of the variable 'ret'
> can be reduced. [variableScope]
> Again, somewhat silly. 
> 
> So I've ignored 2 of them.  We 'could' fix these but until I get the feeling
> the kernel coding style has actually changed to specify this rather than it
> being a matter of taste I'm not particularly inclined to do so.

Thanks for taking care of them.
The scope reduction warnings are getting a bit popular with static-checkers.
Let's see how that evolves later. I feel they might be coming along the same way
as checkpatch stuff.


> 
> Thanks,
> 
> Jonathan
> 
> > Thanks,
> > 
> > Jonathan
> > 
> > 




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