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From: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
To: John Stultz <john.stultz@linaro.org>,
	lkml <linux-kernel@vger.kernel.org>
Cc: Felipe Balbi <felipe.balbi@linux.intel.com>,
	Yang Fei <fei.yang@intel.com>, Thinh Nguyen <thinhn@synopsys.com>,
	Tejas Joglekar <tejas.joglekar@synopsys.com>,
	Jack Pham <jackp@codeaurora.org>, Todd Kjos <tkjos@google.com>,
	Greg KH <gregkh@linuxfoundation.org>,
	Linux USB List <linux-usb@vger.kernel.org>,
	stable <stable@vger.kernel.org>
Subject: Re: [RFC][PATCH 0/2] Avoiding DWC3 transfer stalls/hangs when using adb over f_fs
Date: Thu, 23 Jan 2020 09:43:47 +0100	[thread overview]
Message-ID: <ef64036f-7621-50d9-0e23-0f7141a40d7a@collabora.com> (raw)
In-Reply-To: <20200122222645.38805-1-john.stultz@linaro.org>

Hi John,

W dniu 22.01.2020 o 23:26, John Stultz pisze:
> Hey all,
>    I wanted to send these out for comment and thoughts.
> 
> Since ~4.20, when the functionfs gadget enabled scatter-gather
> support, we have seen problems with adb connections stalling and
> stopping to function on hardware with dwc3 usb controllers.
> Specifically, HiKey960, Dragonboard 845c, and Pixel3 devices.

Any chance this:

https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git/commit/?h=testing/next&id=f63333e8e4fd63d8d8ae83b89d2c38cf21d64801

has something to do with the problem you are reporting?

Andrzej

  parent reply	other threads:[~2020-01-23  8:43 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-22 22:26 John Stultz
2020-01-22 22:26 ` [RFC][PATCH 1/2] usb: dwc3: gadget: Check for IOC/LST bit in both event->status and TRB->ctrl fields John Stultz
2020-01-23  7:24   ` Felipe Balbi
2020-01-23 18:54     ` Yang, Fei
2020-01-24  0:47     ` John Stultz
2020-01-24  7:45       ` Felipe Balbi
2020-01-24 22:10         ` John Stultz
2020-01-25 11:02           ` Felipe Balbi
2020-01-27 18:48             ` John Stultz
2020-01-22 22:26 ` [RFC][PATCH 2/2] usb: dwc3: gadget: Correct the logic for finding last SG entry John Stultz
2020-01-23  7:25   ` Felipe Balbi
2020-01-23 15:50     ` Anurag Kumar Vulisha
2020-01-23  7:18 ` [RFC][PATCH 0/2] Avoiding DWC3 transfer stalls/hangs when using adb over f_fs Felipe Balbi
2020-01-23  8:43 ` Andrzej Pietrasiewicz [this message]
2020-01-23 16:29   ` Yang, Fei
2020-01-23 17:31     ` Felipe Balbi
2020-01-23 17:37       ` Yang, Fei
2020-01-23 17:46         ` Felipe Balbi
2020-01-23 18:28           ` Yang, Fei
2020-02-05 21:03           ` John Stultz
2020-02-06  6:23             ` Felipe Balbi
2020-02-06  7:40             ` Christoph Hellwig
2020-02-06 18:29               ` Felipe Balbi
2020-02-06 18:41                 ` Christoph Hellwig
2020-02-07  6:00                   ` Felipe Balbi
2020-01-23 19:58       ` John Stultz

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