Re: [PATCH v6 02/10] usb: dwc3: omap: Make the wrapper interrupt shared

[Felipe Balbi <balbi-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>]

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Hi,

Roger Quadros <rogerq-l0cyMroinI0@public.gmane.org> writes:
> On 11/04/16 15:58, Felipe Balbi wrote:
>> 
>> Hi,
>> 
>> Roger Quadros <rogerq-l0cyMroinI0@public.gmane.org> writes:
>>>>> diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
>>>>> index 22e9606..51ca098 100644
>>>>> --- a/drivers/usb/dwc3/dwc3-omap.c
>>>>> +++ b/drivers/usb/dwc3/dwc3-omap.c
>>>>> @@ -274,19 +274,25 @@ static irqreturn_t dwc3_omap_interrupt(int irq, void *_omap)
>>>>>  {
>>>>>  	struct dwc3_omap	*omap = _omap;
>>>>>  	u32			reg;
>>>>> +	int			ret = IRQ_NONE;
>>>>>  
>>>>>  	reg = dwc3_omap_read_irqmisc_status(omap);
>>>>>  
>>>>> +	if (reg)
>>>>> +		ret = IRQ_HANDLED;
>>>>
>>>> you can avoid the local variable by returning early here.
>>>
>>> How can we return early? we need to check irq0_status as well right?
>> 
>> Oh, that's true.
>> 
>> There's one thing that I noticed though. dma_status is only written to,
>> never read, so you should be able to remove it completely (a bit
>> off-topic, sorry).
>> 
> I'll send a patch for that. Can it go in -rc as well along with the other 2?

probably not, as it's not fixing any bug ;-)

-- 
balbi

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