Re: [PATCH v2] iio: adc: adi-axi-adc: make sure DRP is locked on enable

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On Sat, 2024-05-25 at 17:54 +0100, Jonathan Cameron wrote:
> On Wed, 22 May 2024 15:14:56 +0200
> Nuno Sa via B4 Relay <devnull+nuno.sa.analog.com@xxxxxxxxxx> wrote:
> 
> > From: Nuno Sa <nuno.sa@xxxxxxxxxx>
> > 
> > When enabling the core, make sure DRP (Dynamic Reconfiguration Port)
> > is locked. Most of the designs don't really use it but we still get the
> > lock bit set. So let's do it all the time so the code is generic.
> > 
> > While at it add proper mutex guards as we should not be able to disable
> > the core in the middle of enabling it. Also reduce the timeout time to 1
> > microsecond as it seems to be enough and goes in line with what we have
> > on the similar DAC core (adi-axi-dac).
> > 
> > Signed-off-by: Nuno Sa <nuno.sa@xxxxxxxxxx>
> Sounds like a fix, so fixes tag?
> 

Can add one even though we do not need to rush any backport as the current user we
have for this is not doing anything crazy :).

Anyways, I'll then split the fix into a separate patch so it's more clear.

- Nuno Sá





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