From: Grant Likely <grant.likely@secretlab.ca>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: patches@linaro.org, netdev@vger.kernel.org,
devicetree-discuss@lists.ozlabs.org,
Jason Liu <jason.hui@linaro.org>,
linux-kernel@vger.kernel.org, Shawn Guo <shawn.guo@freescale.com>,
Mitch Bradley <wmb@firmworks.com>,
Jeremy Kerr <jeremy.kerr@canonical.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/3] serial/imx: add device tree support
Date: Tue, 21 Jun 2011 13:02:48 -0600 [thread overview]
Message-ID: <BANLkTikHTSgowpUhMCcOMXk_oQd4Ue7S3Q@mail.gmail.com> (raw)
In-Reply-To: <20110621185356.GJ23234@n2100.arm.linux.org.uk>
On Tue, Jun 21, 2011 at 12:53 PM, Russell King - ARM Linux
<linux@arm.linux.org.uk> wrote:
> On Tue, Jun 21, 2011 at 12:42:14PM -0600, Grant Likely wrote:
>> On Tue, Jun 21, 2011 at 12:32 PM, Mitch Bradley <wmb@firmworks.com> wrote:
>> > I wonder if it makes sense to create a new device node "/linux-devices" to express a desired mapping from device nodes to /dev entries? The properties could be the names of device special files and the values the corresponding node phandles.
>>
>> I've been trying /really/ hard to avoid doing something like that
>> because a lot of the time the desired Linux dev name is a
>> implementation detail, and a potentially unstable one at that. If
>> Linux requires certain devices to have certain names because that is
>> how it hooks up clocks
>
> As I keep on saying, we don't _have_ to have to match on device name.
> If DT can come up with a better way to bind a clock to a particular
> device/connection name then DT can provide its own clk_get()
> implementation which does that.
Sorry, I overstated the situation. My point is only that I don't want
encode how Linux currently views the world into the DT, because
implementation details can and do change.
g.
next prev parent reply other threads:[~2011-06-21 19:02 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-18 15:19 [PATCH 0/3] Add basic device support for imx51 babbage Shawn Guo
[not found] ` <1308410354-21387-1-git-send-email-shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2011-06-18 15:19 ` [PATCH 1/3] serial/imx: add device tree support Shawn Guo
[not found] ` <1308410354-21387-2-git-send-email-shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2011-06-18 16:19 ` Grant Likely
2011-06-19 7:02 ` Wolfram Sang
2011-06-19 7:30 ` Shawn Guo
2011-06-19 15:05 ` Grant Likely
2011-06-19 15:15 ` Rob Herring
2011-06-19 18:44 ` Grant Likely
2011-06-21 13:55 ` Shawn Guo
2011-06-21 18:32 ` Mitch Bradley
2011-06-21 18:42 ` Grant Likely
2011-06-21 18:53 ` Russell King - ARM Linux
2011-06-21 19:02 ` Grant Likely [this message]
[not found] ` <BANLkTiny9xDwiUww9Ys+jQZ0SHdQATABUA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-06-21 19:04 ` Mitch Bradley
2011-06-21 19:13 ` Grant Likely
[not found] ` <BANLkTim4vunTm1176MRw3pqRZnunu4=9jg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-06-21 19:35 ` Mitch Bradley
2011-06-21 19:38 ` Grant Likely
2011-06-21 22:08 ` Mitch Bradley
2011-06-21 22:33 ` Grant Likely
[not found] ` <BANLkTikBUo3jO=R0amkdxU1V3QMJoOUkEw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-06-21 22:52 ` Segher Boessenkool
[not found] ` <ba379b3b42f1659f4f6649c78b8bb1b2-XVmvHMARGAS8U2dJNN8I7kB+6BGkLq7r@public.gmane.org>
2011-06-21 22:58 ` Grant Likely
2011-06-22 15:33 ` Shawn Guo
2011-06-22 15:52 ` Grant Likely
[not found] ` <BANLkTimsk2eWKPi2hnHbaAn-vSMKmdYsGQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-06-23 0:12 ` Shawn Guo
[not found] ` <20110623001234.GB25799-+NayF8gZjK2ctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2011-06-23 3:35 ` Grant Likely
2011-06-23 18:38 ` Shawn Guo
2011-06-23 23:11 ` Grant Likely
[not found] ` <BANLkTi=8Mks6T85WnEyihmB21U1j7reHrQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2011-06-24 3:49 ` Shawn Guo
[not found] ` <20110624034859.GB19188-+NayF8gZjK2ctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org>
2011-06-24 4:05 ` Grant Likely
2011-06-18 16:21 ` Arnd Bergmann
[not found] ` <201106181821.46574.arnd-r2nGTMty4D4@public.gmane.org>
2011-06-18 16:26 ` Grant Likely
[not found] ` <20110618162655.GK8195-e0URQFbLeQY2iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2011-06-18 18:11 ` Arnd Bergmann
2011-06-19 7:41 ` Shawn Guo
2011-06-19 7:40 ` Shawn Guo
2011-06-18 15:19 ` [PATCH 2/3] net/fec: " Shawn Guo
2011-06-18 16:22 ` Grant Likely
[not found] ` <20110618162220.GI8195-e0URQFbLeQY2iJbIjFUEsiwD8/FfD2ys@public.gmane.org>
2011-06-19 7:46 ` Shawn Guo
[not found] ` <1308410354-21387-3-git-send-email-shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2011-06-18 18:27 ` Arnd Bergmann
[not found] ` <201106182027.22974.arnd-r2nGTMty4D4@public.gmane.org>
2011-06-19 0:24 ` Grant Likely
2011-06-19 7:55 ` Shawn Guo
2011-06-19 11:39 ` Greg Ungerer
2011-06-19 12:11 ` Arnd Bergmann
2011-06-19 15:09 ` Rob Herring
2011-06-19 18:43 ` Grant Likely
2011-06-20 0:05 ` Greg Ungerer
2011-06-18 15:19 ` [PATCH 3/3] ARM: mx5: add basic device tree support for imx51 babbage Shawn Guo
[not found] ` <1308410354-21387-4-git-send-email-shawn.guo-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
2011-06-18 16:24 ` Grant Likely
2011-06-18 16:29 ` [PATCH 0/3] Add basic device " Grant Likely
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