Re: [PATCH 2/2] usb: pci-quirks: register USB mux found on Cherrytrail SOC

[Felipe Balbi]

Hi,

Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> writes:
> Hi Felipe,
>
>> IMHO, this should be creating a child device instead of calling
>> intel_usb_mux_register() directly. That way, your mux driver could
>> actually _be_ a driver. Seems like all you need to do from this point is
>> a register a simple platform_device which is a child of xhci, see
>> platform_device_register_simple() for how to do this.
>> 
>> Or rather, platform_device_register_rsndata() passing xhci's device
>> pointer as parent.
>
> That was the plan originally, but unfortunately it does not work in
> this case. It creates conflict as platform_device_add() call will then
> claim part of io memory belonging to xHCI, making xHCI fail to probe.

okay, understood.

-- 
balbi

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