Re: [PATCH v7 5/5] usb: dwc3: core: cleanup IRQ resources

From: Roger Quadros
Date: Tue May 10 2016 - 07:45:37 EST


On 10/05/16 13:14, Felipe Balbi wrote:
>
> Hi,
>
> Roger Quadros <rogerq@xxxxxx> writes:
>>>> diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
>>>> index 186a886..2e20892 100644
>>>> --- a/drivers/usb/dwc3/core.h
>>>> +++ b/drivers/usb/dwc3/core.h
>>>> @@ -716,6 +716,8 @@ struct dwc3_scratchpad_array {
>>>> * @maximum_speed: maximum speed requested (mainly for testing purposes)
>>>> * @revision: revision register contents
>>>> * @dr_mode: requested mode of operation
>>>> + * @gadget_irq: IRQ number for Peripheral IRQs
>>>> + * @otg_irq: IRQ number for OTG IRQs
>>>> * @usb2_phy: pointer to USB2 PHY
>>>> * @usb3_phy: pointer to USB3 PHY
>>>> * @usb2_generic_phy: pointer to USB2 PHY
>>>> @@ -817,6 +819,9 @@ struct dwc3 {
>>>>
>>>> enum usb_dr_mode dr_mode;
>>>>
>>>> + int gadget_irq;
>>>> + int otg_irq;
>>>
>>> while at that, let's add host_irq too and do proper changes to dwc3/host.c
>>
>> Sure. So we add host_irq here, and manually create an irq resource
>> in dwc3_host_init?
>
> right :-) Then the code looks similar for otg, peripheral and host parts ;-)
>
Just saw that host_irq is not used anywhere other than creating the XHCI platform
device. So I don't see why we need host_irq in struct dwc3.
It is obtained in dwc3_host_init() and consumed there itself.

cheers,
-roger