Re: [RFT PATCH 0/4] usb: dwc2: Turn on uframe sched everywhere

From: Felipe Balbi
Date: Fri Jul 27 2018 - 02:58:58 EST



Hi,

Doug Anderson <dianders@xxxxxxxxxxxx> writes:
> On Thu, Jul 26, 2018 at 3:59 AM, Felipe Balbi
> <felipe.balbi@xxxxxxxxxxxxxxx> wrote:
>> Douglas Anderson <dianders@xxxxxxxxxxxx> writes:
>>
>>> While looking at a dwc2 recently, I noticed that some platforms still
>>> have the uframe scheduler off. As far as I know, nothing good can
>>> come out of having the uframe scheduler off. Let's turn it on
>>> everywhere. Assuming this all works out then some time in the future
>>> we can gut all the old code that handles the old non-uframe scheduler
>>> and make everything simpler.
>>>
>>> NOTE: I don't have access to any of the platforms that I'm changing
>>> here, so I'm hoping to see a Tested-by from those on the list.
>>>
>>>
>>> Douglas Anderson (4):
>>> usb: dwc2: Turn on uframe_sched on "bcm" platforms
>>> usb: dwc2: Turn on uframe_sched on "his" platforms
>>> usb: dwc2: Turn on uframe_sched on "amlogic" platforms
>>> usb: dwc2: Turn on uframe_sched on "stm32f4x9_fsotg" platforms
>>
>> care to resend without RFT prefix and with collected acks, tested-bys, etc?
>
> Done with a prefix of 'REPOST' to hopefully make it obvious nothing
> changed between the RFT and this version. There were only two
> test-by, but as mentioned in the updated cover letter:
>
> Since there should be nothing platform specific about the uFrame
> scheduler presumably this should mean we're good to go? Specificaly
> note that in at least one of the "Tested-by" reports this patch caused
> a notable improvement.
>
>
> BTW: I'm pleased to have you apply the patches, but I notice that
> get_maintainer no longer flags you as the person to post dwc2 patches
> to. From linux-next:
>
> $ ./scripts/get_maintainer.pl -f drivers/usb/dwc2
> Minas Harutyunyan <hminas@xxxxxxxxxxxx> (maintainer:DESIGNWARE USB2
> DRD IP DRIVER)
> Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> (supporter:USB SUBSYSTEM)
> linux-usb@xxxxxxxxxxxxxxx (open list:DESIGNWARE USB2 DRD IP DRIVER)
> linux-kernel@xxxxxxxxxxxxxxx (open list)

I need to add dwc2 to the gadget framework part of MAINTAINERS. I'll do
that at some point.

--
balbi

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