From: Andrzej Pietrasiewicz <andrzej.p@collabora.com>
To: John Stultz <john.stultz@linaro.org>, Felipe Balbi <balbi@kernel.org>
Cc: "Yang, Fei" <fei.yang@intel.com>,
Bjorn Andersson <bjorn.andersson@linaro.org>,
Chen Yu <chenyu56@huawei.com>,
lkml <linux-kernel@vger.kernel.org>,
Linux USB List <linux-usb@vger.kernel.org>,
Amit Pundir <amit.pundir@linaro.org>,
Marek Szyprowski <m.szyprowski@samsung.com>,
"kernel@collabora.com" <kernel@collabora.com>
Subject: Re: [REGRESSION] usb: gadget: f_fs: Allow scatter-gather buffers
Date: Thu, 9 May 2019 16:02:45 +0200 [thread overview]
Message-ID: <7caebeb2-ea96-2276-3078-1e53f09ce227@collabora.com> (raw)
In-Reply-To: <CALAqxLUMRaNxwTUi9QS7-Cy-Ve4+vteBm8-jW4yzZg_QTJVChA@mail.gmail.com>
Hi John,
W dniu 08.05.2019 o 04:18, John Stultz pisze:
> Since commit 772a7a724f69 ("usb: gadget: f_fs: Allow scatter-gather
> buffers"), I've been seeing trouble with adb transfers in Android on
> HiKey960, HiKey and now Dragonboard 845c.
>
> Sometimes things crash, but often the transfers just stop w/o any
> obvious error messages.
>
> Initially I thought it was an issue with the HiKey960 dwc3 usb patches
> being upstreamed, and was using the following hack workaround:
> https://git.linaro.org/people/john.stultz/android-dev.git/commit/?h=dev/hikey960-5.1&id=dcdadaaec9db7a7b78ea9b838dd1453359a2f388
>
> Then dwc2 added sg support, and I ended up having to revert it to get
> by on HiKey:
> https://git.linaro.org/people/john.stultz/android-dev.git/commit/?h=dev/hikey-5.1&id=6e91b4c7bd1e94bdd835263403c53e85a677b848
>
> (See thread here: https://lkml.org/lkml/2019/3/8/765)
So the thread says there are problems at boot, but here you mention about
adb transfers, which must obviously be happening after the board has booted.
Do you experience problems at boot or not?
If a crash happens, what is in the log?
Andrzej
next prev parent reply other threads:[~2019-05-09 14:02 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-08 2:18 [REGRESSION] usb: gadget: f_fs: Allow scatter-gather buffers John Stultz
2019-05-08 7:01 ` Andrzej Pietrasiewicz
2019-05-08 21:39 ` John Stultz
2019-05-09 3:25 ` John Stultz
2019-05-08 12:44 ` Andrzej Pietrasiewicz
2019-05-08 21:45 ` John Stultz
2019-05-09 14:02 ` Andrzej Pietrasiewicz [this message]
2019-05-09 18:25 ` John Stultz
2019-05-09 21:23 ` John Stultz
2019-05-13 14:08 ` Andrzej Pietrasiewicz
2019-05-13 18:09 ` John Stultz
2019-05-14 10:14 ` Andrzej Pietrasiewicz
2019-05-20 10:42 ` Andrzej Pietrasiewicz
2019-05-20 16:23 ` Yang, Fei
2019-05-20 18:33 ` John Stultz
2019-05-20 21:52 ` Yang, Fei
2019-05-21 10:04 ` Andrzej Pietrasiewicz
2019-05-21 15:34 ` John Stultz
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