Re: [PATCH 4/8] mac_via: add GPIO for A/UX mode

[Laurent Vivier]

Le 15/10/2021 à 21:59, Mark Cave-Ayland a écrit :
> On 15/10/2021 08:17, Laurent Vivier wrote:
> 
>> Le 13/10/2021 à 23:21, Mark Cave-Ayland a écrit :
>>> Add a new auxmode GPIO that is updated when port B bit 6 is changed 
>>> indicating
>>> whether the hardware is configured for A/UX mode.
>>
>> Stupid question: why do you use GPIO to pass the auxmode information between 
>> VIA and GLUE?
>>
>> Can't we use object_property_set_link() to set a pointer to the GLUE object?
> 
> For devices that are independent i.e. not contained within others I prefer to 
> restrict the interface
> to properties that are visible within "info qom-tree" which are MRs and 
> GPIOs. Otherwise GLUE
> requires knowledge of VIA internals which breaks the device abstraction.
> 

OK, makes sense.

Thanks,
Laurent