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 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
