The model here is that Master device is PCI or Platform device and then
creates a bus instance which has soundwire slave devices.
So for any attribute on Master device (which has properties as well and
representation in sysfs), device specfic struct (PCI/platfrom doesn't
help). For slave that is not a problem as sdw_slave structure takes care
if that.
So, the solution was to create the psedo sdw_master device for the
representation and have device-specific structure.
Ok, much like the "USB host controller" type device. That's fine, make
such a device, add it to your bus, and set the type correctly. And keep
a pointer to that structure in your device-specific structure if you
really need to get to anything in it.
humm, you lost me on the last sentence. Did you mean using
set_drv/platform_data during the init and retrieving the bus information
with get_drv/platform_data as needed later? Or something else I badly
need to learn?
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