RE: [PATCHv4 03/12] usb: dwc2: Update the gadget driver to use common dwc2_hsotg structure

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> From: Dinh Nguyen [mailto:dinguyen@xxxxxxxxxxxxxxxxxxxxx]
> Sent: Tuesday, September 09, 2014 12:13 PM
> 
> On 09/09/2014 02:06 PM, Paul Zimmerman wrote:
> >> From: Dinh Nguyen [mailto:dinguyen@xxxxxxxxxxxxxxxxxxxxx]
> >> Sent: Tuesday, September 09, 2014 9:26 AM
> >>
> >> On 09/08/2014 05:50 PM, Greg KH wrote:
> >>> On Tue, Aug 26, 2014 at 11:19:54AM -0500, dinguyen@xxxxxxxxxxxxxxxxxxxxx wrote:
> >>>> From: Dinh Nguyen <dinguyen@xxxxxxxxxxxxxxxxxxxxx>
> >>>>
> >>>> Adds the gadget data structure and appropriate data structure pointers
> >>>> to the common dwc2_hsotg data structure. To keep the driver data
> >>>> dereference code looking clean, the gadget variable declares are only available
> >>>> for peripheral and dual-role mode. This is needed so that the dwc2_hsotg data
> >>>> structure can be used by the hcd and gadget drivers.
> >>>>
> >>>> Updates gadget.c to use the dwc2_hsotg data structure and gadget pointers
> >>>> that have been moved into the common dwc2_hsotg structure. Along
> >>>> with the updating the gadget driver to use the common dwc2_hsotg structure,
> >>>> a few other things are required in order for this patch to build properly.
> >>>> Those are:
> >>>>
> >>>> - Remove gadget module defines. Since the driver probing will be handled
> >>>>   by either the platform or pci code.
> >>>> - Change the gadget probe function into gadget_init.
> >>>>
> >>>> Signed-off-by: Dinh Nguyen <dinguyen@xxxxxxxxxxxxxxxxxxxxx>
> >>>> Signed-off-by: Paul Zimmerman <paulz@xxxxxxxxxxxx>
> >>>> ---
> >>>> v3: Updated with paulz's suggestion to avoid double pointers.
> >>>> v2: Left the function parameter name as 'hsotg' and just changed its type.
> >>>> ---
> >>>>  drivers/usb/dwc2/core.h   | 176 +++++++++++++++++++++---------------
> >>>>  drivers/usb/dwc2/gadget.c | 226 +++++++++++++++++-----------------------------
> >>>>  drivers/usb/dwc2/hcd.h    |  10 --
> >>>>  3 files changed, 184 insertions(+), 228 deletions(-)
> >>>
> >>> This doesn't apply as I couldn't take the patches you depended on here
> >>> :(
> >>>
> >>> Can you work with Paul to get this into a series that I can take?
> >>>
> >>> Paul, you can just take it and resend it with any previous patches that
> >>> are needed as well.
> >>>
> >>
> >> This patch series was based on top of "Robert Baldyga : usb:
> >> dwc2/gadget: fix series <- 12 patches". It looks like that series is not
> >> in Greg's tree yet. Let me know if you need me to rework that series
> >> without Robert Baldyga's patches.
> >
> > Robert is currently respinning that series, so I suggest you wait for
> > that to be applied, and then rebase on top of it.
> >
> 
> Will do...
> 
> BTW..Did you get a chance to review patches 9/12 and 12/12 of this
> series regarding the spinlock placement?

Yes, I think I forgot to give my ack for those. But see Felipe's
response to 12/12. I think he's right, you should combine those two
patches. After that you can add my Acked-by. Thanks.

-- 
Paul

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