On Tue, May 23, 2017 at 11:03:23PM +0200, Mark Kettenis wrote:
From: Heiko Stuebner heiko@sntech.de Date: Tue, 23 May 2017 22:29:33 +0200
Hi Kever, Tom,
Am Dienstag, 23. Mai 2017, 14:32:44 CEST schrieb Kever Yang:
This is not from kernel, seems the kernel mmc driver does notsupport aliases now,
thought I hope they both support the aliases for ordering.
there was a lengthy discussion about the pros and cons of ordering mmc devices last year [0].
With the outcome that explicit ordering via aliases is not desired and the argument being that mmc devices are not so different from usb storage or scsi/sata devices whose ordering is random all the time.
Aren't you intepreting the outcome of that discussion a bit too broadly tough? That discussion seems to reject an explicit ordering of mmc device names in the Linux kernel, mainly because better mechanisms exist to refer to a particular device than its device name/number. But that doesn't preclude having a meaningful set of aliases for certain boards if there is some sort of canonical boot order or if devices are actually numbered on a board?
In OpenFirmware the primary purpose of these aliases is to specify which device to boot from.
Rob?