linux-kernel - Re: [RFC 0/3] misc: new serdev based drivers for w2sg00x4 GPS module and w2cbw003 wifi/bluetooth

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Date:   Thu, 25 May 2017 19:05:40 +0200
From:   Pavel Machek <pavel@....cz>
To:     "H. Nikolaus Schaller" <hns@...delico.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Russell King <linux@...linux.org.uk>,
        Thierry Reding <treding@...dia.com>,
        Jonathan Cameron <jic23@...nel.org>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-omap <linux-omap@...r.kernel.org>,
        Discussions about the Letux Kernel 
        <letux-kernel@...nphoenux.org>, kernel@...a-handheld.com,
        Marcel Holtmann <marcel@...tmann.org>
Subject: Re: [RFC 0/3] misc: new serdev based drivers for w2sg00x4 GPS module
 and w2cbw003 wifi/bluetooth

Hi!

> > You don't need hciattach. All userspace has to do for kernel BT
> > drivers is "hciconfig hci0 up|down".
> 
> Hm. Well:
> 
> root@...ux:~# hciconfig hci0 up
> Can't get device info: No such device
> root@...ux:~#
> 
> I wonder how I can tell hciconfig about the UART port if not by running hciattach /dev/ttyBT0?

You should not have to tell hciconfig about ttyBT0. Kernel should
automatically setup hci0<->ttyBT0 connection during boot, based on the
device tree.
									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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