[PATCH V2] spi: Update speed/mode on change

Marek Vasut marex at denx.de
Fri Jul 2 22:20:49 CEST 2021


On 7/2/21 10:10 PM, Da Xue wrote:
[...]

>>>> That should do the trick. Can you check which of the mode bits is set in
>>>> meson_spifc_set_mode() and triggers the ENODEV condition ?
>>>>
>>>
>>> SPI_CPHA seems to be  the culprit. I tried adding spi-cpha = <0> to no
>>> avail.
>>
>> Can you find out what is setting the SPI_CPHA in the first place on your
>> machine ?
>>
> 
> The Kconfig was setting it to 3. I manually added the default mode (0) to
> my board's config and it worked. Thanks Marek.

Sure, good thing this was fixed. Please send a patch for the board, so 
it can be added to this release.


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