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

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On 09/09/2014 02:56 PM, Paul Zimmerman wrote:
>> 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.
> 

Yes, Felipe's comment for 12/12 makes sense.

Thanks,
Dinh
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