From: swarren@wwwdotorg•org (Stephen Warren)
To: linux-arm-kernel@lists•infradead.org
Subject: Tegra board file deprecation schedule
Date: Sun, 29 Apr 2012 13:21:23 -0600 [thread overview]
Message-ID: <4F9D94B3.4070903@wwwdotorg.org> (raw)
In-Reply-To: <6014194.Op4vnW6Cge@ax5200p>
On 04/28/2012 10:09 AM, Marc Dietrich wrote:
...
> Some other things regarding board removal also came into my mind. First, is
> the sdhci order problem solved? Maybe I missed it, but it would be nice if we
> could give the internal emmc a device number of zero and the external reader a
> device number one. Currently it is oposite around and AFAIK device tree
> guaranties no special order unless you enforce it somehow.
I think we shouldn't consider there to be an SDHCI order problem.
Relying on block devices to appear with a specific name is probably
something we shouldn't do. The fact it happened with SDHCI is pretty
unique; it doesn't for USB-attached devices, removable SDHCI devices, etc.
Instead, you can use partition or filesystem UUIDs to name devices. I
boot with root=PARTUUID=xxxx these days, and hence never have to adjust
my command-line depending on the SDHCI probe ordering differences, and
it's work just fine for USB or other storage too.
next prev parent reply other threads:[~2012-04-29 19:21 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-27 21:24 Tegra board file deprecation schedule Stephen Warren
2012-04-27 21:39 ` Olof Johansson
2012-04-27 21:53 ` Stephen Warren
2012-04-27 22:00 ` Fabio Estevam
2012-04-27 22:20 ` Stephen Warren
2012-04-28 16:09 ` Marc Dietrich
2012-04-28 21:34 ` Russell King - ARM Linux
2012-04-29 18:11 ` Marc Dietrich
2012-04-29 18:56 ` Russell King - ARM Linux
2012-04-29 19:16 ` Stephen Warren
2012-04-30 8:58 ` Marc Dietrich
2012-04-30 15:58 ` Stephen Warren
2012-04-30 16:51 ` Marc Dietrich
2012-04-29 19:21 ` Stephen Warren [this message]
2012-04-30 9:00 ` Marc Dietrich
2012-04-28 21:26 ` Lucas Stach
2012-04-29 19:25 ` Stephen Warren
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