linux-kernel - Re: [PATCH v3 1/9] usb: typec: Add support for retimers

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Message-ID: <YshoVFnUafCXObxb@chromium.org>
Date:   Fri, 8 Jul 2022 17:24:36 +0000
From:   Prashant Malani <pmalani@...omium.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
        chrome-platform@...ts.linux.dev, bleung@...omium.org,
        heikki.krogerus@...ux.intel.com,
        Daisuke Nojiri <dnojiri@...omium.org>,
        "Dustin L. Howett" <dustin@...ett.net>,
        Guenter Roeck <groeck@...omium.org>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Sebastian Reichel <sebastian.reichel@...labora.com>,
        Tzung-Bi Shih <tzungbi@...nel.org>
Subject: Re: [PATCH v3 1/9] usb: typec: Add support for retimers

Hi Greg,

On Jul 08 14:38, Greg Kroah-Hartman wrote:
> On Thu, Jul 07, 2022 at 10:20:08PM +0000, Prashant Malani wrote:
> > Introduce a retimer device class and associated functions that register
> > and use retimer "switch" devices. These operate in a manner similar to
> > the "mode-switch" and help configure retimers that exist between the
> > Type-C connector and host controller(s).
> > 
> > Type C ports can be linked to retimers using firmware node device
> > references (again, in a manner similar to "mode-switch").
> > 
> > Signed-off-by: Prashant Malani <pmalani@...omium.org>
> 
> As you are adding things to sysfs, do you need to add any
> Documentation/ABI/ entries as well?  I can't see any new sysfs files
> being created here, but explicitly saying so in the changelog here would
> be good.

There are no new sysfs files being created (there is the new retimer
class directory, but there are no class-specific files being created
there).

I will send out a v4 which calls this out in the changelog.

Best regards,

-Prashant