[PATCH] usb: gadget: dwc2_udc_otg: set ep's desc during enable/disable

[Marek Vasut]

On 1/6/22 16:21, Neil Armstrong wrote:
> Hi,
> 
> On 06/01/2022 16:02, Gary Bisson wrote:
>> Fastboot support has been broken on platforms using dwc2 controller
>> since the gadget gets its max packet size from it.
>> This patch is the equivalent of 723fd5668ff which fixed the same issue
>> but for the chipidea controller.
>>
>> Fixes: 27c9141b111 ("usb: gadget: fastboot: use correct max packet size")
>>
>> Signed-off-by: Gary Bisson <gary.bisson at boundarydevices.com>
>> ---
>>   drivers/usb/gadget/dwc2_udc_otg.c | 2 ++
>>   1 file changed, 2 insertions(+)
>>
>> diff --git a/drivers/usb/gadget/dwc2_udc_otg.c b/drivers/usb/gadget/dwc2_udc_otg.c
>> index 2f318144421..fb10884755b 100644
>> --- a/drivers/usb/gadget/dwc2_udc_otg.c
>> +++ b/drivers/usb/gadget/dwc2_udc_otg.c
>> @@ -655,6 +655,7 @@ static int dwc2_ep_enable(struct usb_ep *_ep,
>>   		return -ESHUTDOWN;
>>   	}
>>   
>> +	_ep->desc = desc;
>>   	ep->stopped = 0;
>>   	ep->desc = desc;
> 
> Indeed the _ep and ep was confusing when looking code
> 
>>   	ep->pio_irqs = 0;
>> @@ -695,6 +696,7 @@ static int dwc2_ep_disable(struct usb_ep *_ep)
>>   	/* Nuke all pending requests */
>>   	nuke(ep, -ESHUTDOWN);
>>   
>> +	_ep->desc = NULL;
>>   	ep->desc = 0;
>>   	ep->stopped = 1;
>>   
>>
> 
> An off-tree patch removed from our Yukawa backlog, thanks !
> 
> Reviewed-by: Neil Armstrong <narmstrong at baylibre.com>

+CC Tom, can you pick this one for CURRENT 2022.01 release?

Thank you