From: Sergei Shtylyov <sergei.shtylyov@gmail.com>
To: Dejin Zheng <zhengdejin5@gmail.com>,
balbi@kernel.org, gregkh@linuxfoundation.org,
linux-usb@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH v1] usb: dwc3: core: fix a issue about clear connect state
Date: Sun, 18 Oct 2020 20:40:01 +0300 [thread overview]
Message-ID: <4dcdcdcf-2878-f6b1-e85a-6cb2a478ed1a@gmail.com> (raw)
In-Reply-To: <20201018134734.10406-1-zhengdejin5@gmail.com>
Hello!
On 10/18/20 4:47 PM, Dejin Zheng wrote:
> According to Synopsys Programming Guide chapter 2.2 Register Resets,
> it cannot reset the DCTL register by set DCTL.CSFTRST for Core Soft Reset,
s/set/setting/.
> if DWC3 controller as a slave device and stay connected with a usb host,
> then, reboot linux, it will fail to reinitialize dwc3 as a slave device
s/reboot/while rebooting/.
> when the DWC3 controller did not power off. because the connection status
> is incorrect, so we also need clear DCTL.RUN_STOP bit for disable connect
^ to ^ ing
> when do core soft reset.
^ ing
> Fixes: f59dcab176293b6 ("usb: dwc3: core: improve reset sequence")
> Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
[...]
MBR, Sergei
next prev parent reply other threads:[~2020-10-18 17:40 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-18 13:47 [PATCH v1] usb: dwc3: core: fix a issue about clear connect state Dejin Zheng
2020-10-18 17:40 ` Sergei Shtylyov [this message]
2020-10-27 9:12 ` Felipe Balbi
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