Re: [PATCH v1 1/4] usb: host: export symbols for xhci hooks usage

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On Wed, Mar 23, 2022 at 12:43:32PM +0100, Greg Kroah-Hartman wrote:
> On Wed, Mar 23, 2022 at 10:41:23AM +0100, Krzysztof Kozlowski wrote:
> > On 23/03/2022 03:58, Jung Daehwan wrote:
> > > On Mon, Mar 07, 2022 at 10:59:06AM +0100, Krzysztof Kozlowski wrote:
> > >> On 04/03/2022 07:23, Daehwan Jung wrote:
> > >>> Export symbols for xhci hooks usage:
> > >>> 	xhci_ring_free
> > >>> 	- Allow xhci hook to free xhci_ring.
> > >>
> > >> Instead of copying-pasting the name of function, please explain why do
> > >> you need these symbols exported.
> > >>
> > >> The "Why" is actually one of most important questions, because "what is
> > >> this patch doing" we can easily see...
> > >>
> > >>>
> > >>> 	xhci_get_slot_ctx
> > >>> 	- Allow xhci hook to get slot_ctx from the xhci_container_ctx
> > >>> 	  for getting the slot_ctx information to know which slot is
> > >>> 	  offloading and compare the context in remote subsystem memory
> > >>> 	  if needed.
> > >>>
> > >>
> > >>
> > >> Best regards,
> > >> Krzysztof
> > >>
> > > 
> > > Hi Krzysztof
> > > 
> > > xhci_ring_free has been removed from v3..
> > > The reason why I want to export is for managing vendor specific ring.
> > > I want to alloc and free vendor specific ring on specific address.
> > > It's done with xhci hooks.
> > 
> > It's better, but still does not explain why these have to be exported.
> > Please mention where are these hooks going to be. Where are they
> > implemented. I actually expect all of these exports to be used in your
> > patchset.
> 
> All exports _HAVE_ to be used by the patchset.  Otherwise it's an
> invalid submission.
> 
> thanks,
> 
> greg k-h
> 

Yes. I removed unneeded exports on v3.

Best Regards,
Jung Daehwan





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