From: Arnd Bergmann <arnd@arndb.de>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: "Par-Gunnar Hjalmdahl" <pghatwork@gmail.com>,
linus.walleij@stericsson.com, linux-bluetooth@vger.kernel.org,
linux-kernel@vger.kernel.org, Lukasz.Rymanowski@tieto.com
Subject: Re: [PATCH 5/9] mfd: Add UART support for the ST-Ericsson CG2900.
Date: Sat, 30 Oct 2010 02:01:01 +0200 [thread overview]
Message-ID: <201010300201.01940.arnd@arndb.de> (raw)
In-Reply-To: <20101029172214.25b14c2a@pyx>
On Friday 29 October 2010, Alan Cox wrote:
> > line discipline then even though that could cause other problems. I do
> > not know if it is possible to add a condition in Kconfig otherwise so
> > the CG2900 ldisc cannot be active while the "normal" ldisc driver is
> > selected.
>
> Not sure I follow the concern here ?
It's about the ldisc number. Both bluetooth and cg2900 register themselves
to ldisc 15 (N_HCI). A user doing TIOCSETD can only get one of the two.
The solution would not be to make the two ldisc implementations mutually
exclusive, but to make cg2900 use a new ldisc number, e.g. N_HCI_CG2900.
However, I'm still not convinced that this is actually necessary, we might
be able to add hooks into the existing N_HCI implementation for the
extensions in cg2900.
Arnd
next prev parent reply other threads:[~2010-10-30 0:01 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-22 10:38 [PATCH 5/9] mfd: Add UART support for the ST-Ericsson CG2900 Par-Gunnar Hjalmdahl
2010-10-22 12:51 ` Alan Cox
2010-10-22 14:54 ` Par-Gunnar Hjalmdahl
2010-10-22 15:33 ` Alan Cox
2010-10-28 10:37 ` Par-Gunnar Hjalmdahl
2010-10-28 12:22 ` Arnd Bergmann
2010-10-29 11:58 ` Par-Gunnar Hjalmdahl
2010-10-29 12:08 ` Par-Gunnar Hjalmdahl
2010-10-30 0:09 ` Arnd Bergmann
2010-10-29 16:22 ` Alan Cox
2010-10-30 0:01 ` Arnd Bergmann [this message]
2010-10-31 12:04 ` Alan Cox
2010-11-05 17:02 ` Par-Gunnar Hjalmdahl
2010-11-05 17:19 ` Alan Cox
2010-11-08 5:24 ` Arnd Bergmann
2010-11-11 14:28 ` Par-Gunnar Hjalmdahl
2010-11-11 14:40 ` Par-Gunnar Hjalmdahl
2010-11-11 15:12 ` Arnd Bergmann
2010-10-29 11:53 ` Par-Gunnar Hjalmdahl
2010-10-29 16:24 ` Alan Cox
2010-12-03 9:16 ` Par-Gunnar Hjalmdahl
2010-12-03 11:42 ` Vitaly Wool
2010-12-06 9:06 ` Par-Gunnar Hjalmdahl
2010-12-06 9:46 ` Vitaly Wool
2010-12-06 12:01 ` Par-Gunnar Hjalmdahl
2010-12-06 12:25 ` Vitaly Wool
2010-12-06 14:49 ` Arnd Bergmann
2010-12-06 14:57 ` Vitaly Wool
2010-12-06 14:06 ` Arnd Bergmann
2010-12-06 14:54 ` Vitaly Wool
2010-12-06 15:15 ` Arnd Bergmann
2010-12-06 15:28 ` Vitaly Wool
2010-12-06 16:54 ` Arnd Bergmann
2010-12-06 21:24 ` Vitaly Wool
2010-12-06 23:07 ` Arnd Bergmann
2010-12-08 7:41 ` Pavan Savoy
2010-12-08 12:21 ` Par-Gunnar Hjalmdahl
2010-12-08 12:51 ` Arnd Bergmann
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