From: Felipe Balbi <balbi@kernel.org>
To: Daehwan Jung <dh10.jung@samsung.com>
Cc: Daehwan Jung <dh10.jung@samsung.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: usb: dwc3: gadget: skip pullup and set_speed after suspend
Date: Sun, 24 Jan 2021 17:31:57 +0200 [thread overview]
Message-ID: <87ft2qgxle.fsf@kernel.org> (raw)
In-Reply-To: <1611113968-102424-1-git-send-email-dh10.jung@samsung.com>
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Hi,
Daehwan Jung <dh10.jung@samsung.com> writes:
> Sometimes dwc3_gadget_pullup and dwc3_gadget_set_speed are called after
> entering suspend. That's why it needs to check whether suspend
>
> 1. dwc3 sends disconnect uevent and turn off. (suspend)
> 2. Platform side causes pullup or set_speed(e.g., adbd closes ffs node)
> 3. It causes unexpected behavior like ITMON error.
please collect dwc3 trace events showing this problem.
--
balbi
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next prev parent reply other threads:[~2021-01-24 15:33 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CGME20210120035123epcas2p2048f6d9896bd21f19d939a56fe0b6610@epcas2p2.samsung.com>
2021-01-20 3:39 ` usb: dwc3: gadget: skip pullup and set_speed after suspend Daehwan Jung
2021-01-21 1:00 ` Thinh Nguyen
2021-01-21 6:49 ` Jung Daehwan
2021-01-21 7:44 ` Wesley Cheng
2021-01-21 8:13 ` Jung Daehwan
2021-01-22 3:32 ` Wesley Cheng
2021-01-21 7:11 ` Jung Daehwan
2021-01-24 15:31 ` Felipe Balbi [this message]
[not found] ` <20210201054539.GA188887@ubuntu>
2021-02-01 6:06 ` Jung Daehwan
[not found] <CGME20210122065248epcas2p19a972d3a385b91d6e05a16f2ef7b0dd6@epcas2p1.samsung.com>
[not found] ` <20210122064125.GA121941@ubuntu>
2021-01-22 7:15 ` Jung Daehwan
2021-01-27 3:34 ` Wesley Cheng
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