Tegra board file deprecation schedule
Marc Dietrich
marvin24 at gmx.de
Mon Apr 30 05:00:28 EDT 2012
Am Sonntag, 29. April 2012, 13:21:23 schrieb Stephen Warren:
> 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.
Arrr, you are right again. I tend to ignore this unhandy UUID thing, but all
current distros use it. So this not not an issue. Sorry for the noice.
Marc
More information about the linux-arm-kernel
mailing list