Re: [Qemu-devel] [PATCH 0/5] usb: make host adapters hot-pluggable

[Gonglei (Arei)]

Hi,

> Subject: [Qemu-devel] [PATCH 0/5] usb: make host adapters hot-pluggable
> 
>   Hi,
> 
> This series the usb host adapters hot-pluggable.  Problem is that we
> can NOT hotplug host adapters which are part of a companion setup.  The
> way this is tackled now is to split the usb host adapter variants into
> two groups:
> 
>   * All ich9-* variants (both uhci and ehci) support companion controller
>     and are NOT hot-pluggable.
>   * All other variants do NOT support companion controller setups and
>     can be hotplugged.
> 
> [ ohci is to be done, we have only one type there, so we have to create
>   a new one and put the existing into one of the two groups,  /me wants
>   collect feedback on the approach though. ]
> 
> Comments?  Other suggestions?
> 

I agree with you. 

Because we must set 'dc->hotpluggable = false or true' at
$hci_class_init() to assure the host adapters whether supporting hotplugging or 
not.
And we can only pass parameters from Typeinfo struct's class_data property to
$hci_class_init() at present.

Best regards,
-Gonglei