[U-Boot] [PATCH 3/13 v4] serial: atmel_usart: Use fixed clock value in SPL version with DM_SERIAL

Stefan Roese sr at denx.de
Wed Apr 3 11:11:21 UTC 2019


Hi Eugen,

On 03.04.19 13:05, Eugen.Hristev at microchip.com wrote:

<snip>

>>> Looking again over this, the Kconfig you added is useless and has no
>>> effect unless ATMEL_USART driver...
>>> Can you make it to depend on atmel usart or be named
>>> ATMEL_SPL_UART_CLOCK if this is not needed for anything else whatsoever
>>> (no other platforms/drivers)
>>> This way nobody gets confused that by enabling this Kconfig on their
>>> platform, something changes (like a fixed clock for their serial in SPL,
>>> which will not happen).
>>
>> My first intention was to add this Kconfig option as a generic one,
>> which can be used by other (non-AT91) platforms as well. This is
>> the reasoning for its name and the non-exclusive availability.
>>
>> But I have no hard feelings here. If nobody sees any use of this
>> Kconfig option on other platforms (hard for us to guess), then I can
>> definitely make your suggested changes from above.
>>
> 
> Makes sense, but as it is now, it has no effect on other platforms. So I
> think it's best to make it a generic name indeed, but dependent on
> ATMEL_USART then... and other platforms can add their dependency once
> and if they implement it.
> 
> Sounds good to you ?

Yes, I'm perfectly fine with this approach. I'll send v5 of this patch
soon.

Thanks,
Stefan


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