linux-kernel - Re: [PATCH v2 0/9] Serial slave device bus

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Message-ID: <20170117110722.GB26116@xo-6d-61-c0.localdomain>
Date:   Tue, 17 Jan 2017 12:07:22 +0100
From:   Pavel Machek <pavel@....cz>
To:     Rob Herring <robh@...nel.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Marcel Holtmann <marcel@...tmann.org>,
        Jiri Slaby <jslaby@...e.com>,
        Sebastian Reichel <sre@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        "Dr . H . Nikolaus Schaller" <hns@...delico.com>,
        Peter Hurley <peter@...leysoftware.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Alan Cox <gnomes@...rguk.ukuu.org.uk>,
        Loic Poulain <loic.poulain@...el.com>,
        NeilBrown <neil@...wn.name>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-bluetooth@...r.kernel.org, linux-serial@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/9] Serial slave device bus

Hi!

> Here's a new version of the serdev bus support with all the review
> feedback so far incorporated. I've left it named serdev for now pending
> any further votes one way or the other, but I did rename the sysfs visible
> portions to "serial".
> 
> There's still some discussion about what to do with devices that pass thru
> data to userspace unmodified like GPS and could still use tty device for
> the data path. IMO, we should treat this as a separate problem following
> this series. Drivers we want to convert to serdev and already in the
> kernel don't need this functionality.
> 
> I need a SoB from Alan on his patch 2 and would like review from Alan and/or
> Peter on the locking in patch 5.
> 
> I have hacked up versions of the BT ldisc and TI ST drivers moved over to
> use the serdev bus. I have BT working on the HiKey board which has TI BT.
> With the serdev bus support, it eliminates the need for the TI userspace
> UIM daemon. I've made some progress cleaning up the TI-ST into proper
> patches and also got it working at 3Mbps.
> 
> Changelog is in individual patches. Previous version is here[1]. This
> series and the mentioned drivers can be found here[2].

Series looks good to me. Thanks for doing the work.

Best regards,
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html