Re: [REPOST PATCH 2/4] usb: dwc2: Turn on uframe_sched on "his" platforms

From: Minas Harutyunyan
Date: Fri Jul 27 2018 - 07:00:55 EST


On 7/27/2018 12:08 AM, Douglas Anderson wrote:
> There's no reason to have the uframe scheduler off on dwc2. Running
> with uframe_sched = False is equivalent to saying "I don't want to run
> the correct code, I want to run the old and incorrect code".
>
> The uframe scheduler has been off on HiSilicon since commit
> 37dd9d65cc41 ("usb: dwc2: add support of hi6220"). Since then there
> have been many many improvements, notably the commit 9f9f09b048f5
> ("usb: dwc2: host: Totally redo the microframe scheduler")
>
> Presumably if everyone is good w/ the uframe_sched turned back on we
> can kill all the old and crufty non-uframe sched code.
>
> Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
> Tested-by: John Stultz <john.stultz@xxxxxxxxxx>
Acked-by: Minas Harutyunyan <hminas@xxxxxxxxxxxx>

> ---
>
> drivers/usb/dwc2/params.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c
> index 14b8742e62fa..db97bb16ecc4 100644
> --- a/drivers/usb/dwc2/params.c
> +++ b/drivers/usb/dwc2/params.c
> @@ -67,7 +67,6 @@ static void dwc2_set_his_params(struct dwc2_hsotg *hsotg)
> p->reload_ctl = false;
> p->ahbcfg = GAHBCFG_HBSTLEN_INCR16 <<
> GAHBCFG_HBSTLEN_SHIFT;
> - p->uframe_sched = false;
> p->change_speed_quirk = true;
> p->power_down = false;
> }
>