On 9/24/2020 11:06 PM, Felipe Balbi wrote:
>
> Hi,
>
> Alan Stern writes:
Hence, the reason if there was already a pending IRQ triggered, the
dwc3_gadget_disable_irq() won't ensure the IRQ is handled. We can do
something like:
if (!is_on)
dwc3_gadget_disable_irq()
Hi,
Alan Stern writes:
>> > Hence, the reason if there was already a pending IRQ triggered, the
>> > dwc3_gadget_disable_irq() won't ensure the IRQ is handled. We can do
>> > something like:
>> > if (!is_on)
>> >dwc3_gadget_disable_irq()
>> > synchronize_irq()
>> > spin_lock_irqsave()
>> >
On Thu, Sep 24, 2020 at 10:39:24AM +0300, Felipe Balbi wrote:
> >>> + /*
> >>> + * Synchronize and disable any further event handling while controller
> >>> + * is being enabled/disabled.
> >>> + */
> >>> + disable_irq(dwc->irq_gadget);
> >>
> >> why isn't dwc3_gadget_disable_irq() enough?
> >>
Hi,
Wesley Cheng writes:
> On 9/6/2020 11:20 PM, Felipe Balbi wrote:
>>
>> Hi,
>>
>> Wesley Cheng writes:
>>> diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
>>> index 59f2e8c31bd1..456aa87e8778 100644
>>> --- a/drivers/usb/dwc3/ep0.c
>>> +++ b/drivers/usb/dwc3/ep0.c
>>> @@ -197,
On 9/6/2020 11:20 PM, Felipe Balbi wrote:
>
> Hi,
>
> Wesley Cheng writes:
>> diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
>> index 59f2e8c31bd1..456aa87e8778 100644
>> --- a/drivers/usb/dwc3/ep0.c
>> +++ b/drivers/usb/dwc3/ep0.c
>> @@ -197,7 +197,7 @@ int dwc3_gadget_ep0_queu
Hi,
Wesley Cheng writes:
> diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
> index 59f2e8c31bd1..456aa87e8778 100644
> --- a/drivers/usb/dwc3/ep0.c
> +++ b/drivers/usb/dwc3/ep0.c
> @@ -197,7 +197,7 @@ int dwc3_gadget_ep0_queue(struct usb_ep *ep, struct
> usb_request *request,
>
Wesley Cheng wrote:
> In the DWC3 databook, for a device initiated disconnect or bus reset, the
> driver is required to send dependxfer commands for any pending transfers.
> In addition, before the controller can move to the halted state, the SW
> needs to acknowledge any pending events. If the co
In the DWC3 databook, for a device initiated disconnect or bus reset, the
driver is required to send dependxfer commands for any pending transfers.
In addition, before the controller can move to the halted state, the SW
needs to acknowledge any pending events. If the controller is not halted
prope
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