linux-kernel - Re: [PATCH v2] usb: ohci: add check for start frame in host controller functional states

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Message-ID: <20210929150151.GB428239@rowland.harvard.edu>
Date:   Wed, 29 Sep 2021 11:01:51 -0400
From:   Alan Stern <stern@...land.harvard.edu>
To:     Yinbo Zhu <zhuyinbo@...ngson.cn>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Greg Kroah-Hartman <greg@...ah.com>,
        Patchwork Bot <patchwork-bot@...nel.org>
Subject: Re: [PATCH v2] usb: ohci: add check for start frame in host
 controller functional states

On Wed, Sep 29, 2021 at 10:59:05AM -0400, Alan Stern wrote:
> On Wed, Sep 29, 2021 at 06:09:27PM +0800, Yinbo Zhu wrote:
> > The pm states of ohci controller include UsbOperational, UsbReset, UsbSuspend
> 
> Those aren't really PM states.  The specification calls them "USB 
> states".
> 
> > , and UsbResume. Among them, only the UsbOperational state supports launching
> --^
> 
> This comma should come directly after the word "launching", with no 

Sorry, I meant the word "UsbSuspend", not "launching".

Alan Stern