[PATCH v5 0/6] Add octal DTR support for Macronix flash

Michael Walle michael at walle.cc
Fri Nov 17 02:26:54 PST 2023


Hi,

>> > Add method for Macronix Octal DTR Eable/Disable.
>> > Merge Tudor's patch "Allow specifying the byte order in DTR mode"
>> > Add support for Macronix flash
>> 
>> I skimmed over the patches and they look good, but where is the
>> controller part of this? I.e. which driver is using the dtr_swab16
>> bit?
>> There should be a working setup.
> I think controller should info dtr_swab16 support in 
> spi_controller_mem_caps.
> 8d-8d-8d will not be enable if the flash swap bytes and controller
> driver not support
> dtr_swab16.

What I meant is that this patchset is missing a driver for the 
controller.
Which controller does support it? We don't add code which is then not 
used
at all. Or what I am missing here?

-michael



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