From: Arnd Bergmann <arnd@arndb.de>
To: Jonathan Cameron <jic23@cam.ac.uk>
Cc: Kay Sievers <kay.sievers@vrfy.org>,
linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org,
Greg KH <greg@kroah.com>, Jean Delvare <khali@linux-fr.org>,
Guenter Roeck <guenter.roeck@ericsson.com>
Subject: Re: IIO comments
Date: Thu, 17 Mar 2011 18:54:52 +0100 [thread overview]
Message-ID: <201103171854.52777.arnd@arndb.de> (raw)
In-Reply-To: <4D823AF8.8070408@cam.ac.uk>
On Thursday 17 March 2011 17:46:48 Jonathan Cameron wrote:
> >
> > Since I haven't fully understood the distinction between the
> > three chardevs, it may of course turn out a bad idea, but I
> > think it would simplify the core code if you could assume
> > that every iio device has exactly one chardev interface,
> > so you could give them the same unique number and manage
> > the life time together.
>
> It simplifies that corner, but I'm a little worried that it
> will add a lot of interlinks between the currently fairly
> disconnected elements that go through a character device.
>
> If we can keep those links to a minimum (which I think
> we can, but haven't tried yet!) it will be a sensible move.
Let's first work out how a single event buffer should work
using read and poll, as discussed in the other thread.
Once we have sorted that out, this may become a lot clearer.
Arnd
next prev parent reply other threads:[~2011-03-17 17:54 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-15 21:15 IIO comments Arnd Bergmann
2011-03-16 11:57 ` Jonathan Cameron
2011-03-16 13:33 ` Arnd Bergmann
2011-03-16 14:50 ` Jonathan Cameron
2011-03-16 15:09 ` Guenter Roeck
2011-03-16 15:15 ` Arnd Bergmann
2011-03-16 15:33 ` Jonathan Cameron
2011-03-17 13:24 ` Arnd Bergmann
2011-03-17 16:47 ` Jonathan Cameron
2011-03-17 17:51 ` Arnd Bergmann
2011-03-17 18:33 ` Jonathan Cameron
2011-03-18 12:47 ` Arnd Bergmann
2011-03-18 16:06 ` Jonathan Cameron
2011-03-18 16:18 ` Arnd Bergmann
2011-03-18 16:29 ` Jonathan Cameron
2011-03-18 16:57 ` Arnd Bergmann
2011-03-18 17:51 ` Jonathan Cameron
2011-03-17 13:47 ` Arnd Bergmann
2011-03-17 14:42 ` Jonathan Cameron
2011-03-17 15:03 ` Arnd Bergmann
2011-03-17 16:46 ` Jonathan Cameron
2011-03-17 16:47 ` Jonathan Cameron
2011-03-17 17:54 ` Arnd Bergmann [this message]
2011-03-16 16:54 ` Jonathan Cameron
2011-03-16 18:52 ` Arnd Bergmann
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