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From: Felipe Balbi <balbi@kernel.org>
To: Thinh Nguyen <Thinh.Nguyen@synopsys.com>Thinh Nguyen
	<Thinh.Nguyen@synopsys.com>
Cc: "linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
	John Youn <John.Youn@synopsys.com>
Subject: [2/3] usb: dwc3: gadget: Don't skip updating remaining data
Date: Thu, 02 Aug 2018 10:43:09 +0300	[thread overview]
Message-ID: <87zhy5usc2.fsf@linux.intel.com> (raw)

Hi,

Thinh Nguyen <Thinh.Nguyen@synopsys.com> writes:

<snip>

>> These patches will not fix the issue.
>>
>
> What do you think of this fix?
>
> diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
> index f452ab708ffc..338f7ab8a8b4 100644
> --- a/drivers/usb/dwc3/gadget.c
> +++ b/drivers/usb/dwc3/gadget.c
> @@ -2277,8 +2277,10 @@ static int
> dwc3_gadget_ep_reclaim_completed_trb(struct dwc3_ep *dep,
>          * with one TRB pending in the ring. We need to manually clear
> HWO bit
>          * from that TRB.
>          */
> -       if ((req->zero || req->unaligned) && (trb->ctrl & DWC3_TRB_CTRL_HWO)) {
> -               trb->ctrl &= ~DWC3_TRB_CTRL_HWO;
> +       if ((req->zero || req->unaligned) && !chain) {
> +               if (trb->ctrl & DWC3_TRB_CTRL_HWO)
> +                       trb->ctrl &= ~DWC3_TRB_CTRL_HWO;
> +
>                 return 1;
>         }

This is a rathher minimal fix. I like it. So this together with the one
I wrote for the TRB type, right? Can you send this one as a proper patch
and add the correct Cc stable and Fixes tags?

thanks

             reply	other threads:[~2018-08-02  7:43 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-08-02  7:43 Felipe Balbi [this message]
  -- strict thread matches above, loose matches on Subject: below --
2018-08-03  7:54 [2/3] usb: dwc3: gadget: Don't skip updating remaining data Felipe Balbi
2018-08-03  3:20 Thinh Nguyen
2018-08-02  7:28 Felipe Balbi
2018-08-02  1:54 Thinh Nguyen
2018-08-02  1:26 Thinh Nguyen
2018-08-01  8:29 Felipe Balbi
2018-08-01  6:48 Felipe Balbi
2018-08-01  6:36 Felipe Balbi
2018-07-31  6:55 Felipe Balbi
2018-07-30 22:23 Thinh Nguyen
2018-07-30  6:05 Felipe Balbi
2018-07-28  1:52 Thinh Nguyen

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