Re: spi-fsl-espi driver issue

* Re: spi-fsl-espi driver issue
       [not found] ` <CADQNx5QsXRSyrJxEXLQr3oYyy+-xnYrH_txbA+37macNVZkHcw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
@ 2020-01-31 20:48   ` Heiner Kallweit
  0 siblings, 0 replies; only message in thread
From: Heiner Kallweit @ 2020-01-31 20:48 UTC (permalink / raw)
  To: Andrij Abyzov; +Cc: linux-spi-u79uwXL29TY76Z2rM5mHXA

On 31.01.2020 10:34, Andrij Abyzov wrote:
> Heiner,
> 
> I'm having a strange issue with the spi-fsl-espi driver when updating the firmware on Lattice MachXO2 FPGA.
> It worked fine with the version 4.9, however one of the subsequent changes has led to the issue, that the read result is shifted right by 1 bit.
> I understand this could be something due to polarity, phase or frequency, but it did work fine with 4.9 and before.
> Now I'm trying to localize the issue by bisection, but that's a lengthy process and I thought that maybe you could have some insights.
> 
I'm not the maintainer of this driver, so better set the linux-spi list on cc.

Which device tree config is used? Or do you set a specific mode manually?

> Best regards,
> Andrij Abyzov

Heiner

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