From: "Grant Likely" <grant.likely@secretlab.ca>
To: "Timur Tabi" <timur@freescale.com>
Cc: PowerPC dev list <Linuxppc-dev@ozlabs.org>
Subject: Re: Audio codec device tree entries
Date: Wed, 24 Oct 2007 10:47:47 -0600 [thread overview]
Message-ID: <fa686aa40710240947n72dc331aj18b38a07f9119020@mail.gmail.com> (raw)
In-Reply-To: <471F75CD.6080606@freescale.com>
On 10/24/07, Timur Tabi <timur@freescale.com> wrote:
> Grant Likely wrote:
>
> > If you need to scan the tree, don't do it when the driver registers,
> > do it in the platform code instead. Otherwise you unconditionally
> > incur the penalty of scanning the whole device tree on every system
> > that loads the driver, regardless of whether or not the device is
> > present.
>
> So your saying that the fabric driver should be embedded in the platform driver?
No; that's not what I mean.
But the scanning of the device tree to decide whether or not to
instantiate the driver should be called from platform code. The
device tree should not be scanned on driver loading.
In other words: populate either a platform_device or an
of_platform_device that the driver can bind against.
Cheers,
g.
--
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
grant.likely@secretlab.ca
(403) 399-0195
next prev parent reply other threads:[~2007-10-24 16:47 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-23 1:59 Audio codec device tree entries Jon Smirl
2007-10-23 2:57 ` David Gibson
2007-10-23 3:57 ` Grant Likely
2007-10-23 8:06 ` Segher Boessenkool
2007-10-23 15:27 ` Timur Tabi
2007-10-23 16:56 ` Segher Boessenkool
2007-10-23 22:29 ` Jon Smirl
2007-10-24 14:13 ` Timur Tabi
2007-10-24 15:00 ` Jon Smirl
2007-10-24 15:07 ` Timur Tabi
2007-10-24 15:28 ` Grant Likely
2007-10-24 23:52 ` David Gibson
2007-10-24 15:16 ` Grant Likely
2007-10-24 15:20 ` Grant Likely
2007-10-24 15:28 ` Jon Smirl
2007-10-24 15:43 ` Grant Likely
2007-10-24 15:54 ` Jon Smirl
2007-10-24 16:01 ` Timur Tabi
2007-10-24 16:39 ` Grant Likely
2007-10-24 16:41 ` Timur Tabi
2007-10-24 16:47 ` Grant Likely [this message]
2007-10-24 16:38 ` Grant Likely
2007-10-24 16:41 ` Timur Tabi
2007-10-24 16:52 ` Grant Likely
2007-10-24 17:01 ` Jon Smirl
2007-10-24 17:13 ` Grant Likely
2007-10-24 17:13 ` Timur Tabi
2007-10-24 19:31 ` Jon Smirl
2007-10-24 19:41 ` Timur Tabi
2007-10-24 19:56 ` Jon Smirl
2007-10-25 0:04 ` David Gibson
2007-10-25 0:17 ` Jon Smirl
2007-10-25 0:38 ` David Gibson
2007-10-25 3:11 ` Jon Smirl
2007-10-25 16:14 ` Timur Tabi
2007-10-24 23:55 ` David Gibson
2007-10-24 15:23 ` Jon Smirl
2007-10-24 15:40 ` Timur Tabi
2007-10-24 15:54 ` Grant Likely
2007-10-24 15:08 ` Grant Likely
2007-10-24 15:19 ` Jon Smirl
2007-10-25 0:01 ` David Gibson
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