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

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Date:   Tue, 10 Jan 2017 14:20:29 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     "H. Nikolaus Schaller" <hns@...delico.com>,
        Marcel Holtmann <marcel@...tmann.org>
Cc:     Rob Herring <robh@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jslaby@...e.com>,
        Sebastian Reichel <sre@...nel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Peter Hurley <peter@...leysoftware.com>,
        Alan Cox <gnomes@...rguk.ukuu.org.uk>,
        Loic Poulain <loic.poulain@...el.com>,
        Pavel Machek <pavel@....cz>, NeilBrown <neil@...wn.name>,
        Linus Walleij <linus.walleij@...aro.org>,
        "open list:BLUETOOTH DRIVERS" <linux-bluetooth@...r.kernel.org>,
        linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/9] Serial slave device bus

On Tue, 2017-01-10 at 13:10 +0100, H. Nikolaus Schaller wrote:

> > So the question is really if a driver only needs to do power
> > management on open() and close() or if it also has to translate or
> > transform the packets. There are devices who speak NMEA and all is
> > good.
> 
> The device I want to upstream the driver speaks NMEA but should be
> powered down unless accessed...

By the way, have you seen the series [1] I'm working on towards bringing
runtime PM for all (current) serial drivers?

[1] https://www.spinics.net/lists/linux-serial/msg24025.html

-- 
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Intel Finland Oy