Thread (5 messages) 5 messages, 4 authors, 2012-12-14
STALE4940d

[PATCH 1/1] ARM: OMAP2+: enable devtmpfs and devtmpfs automount

From: Javier Martinez Canillas <hidden>
Date: 2012-11-27 09:20:37
Also in: linux-omap

On 11/27/2012 09:34 AM, Sekhar Nori wrote:
On 11/21/2012 6:56 PM, Javier Martinez Canillas wrote:
quoted
Since udev-182, udev no longer creates device nodes under /dev
Nit: Looks like this happened from udev-176 onward.

http://permalink.gmane.org/gmane.linux.hotplug.devel/17230

Whoever is taking the patch can _probably_ fix it up while applying.
Hi Sekhar,

Thanks for clarifying this, I read that it was udev-182 from the Linux from
scratch documentation:
http://www.linuxfromscratch.org/lfs/view/jh/chapter07/udev.html
quoted
and this has to be managed by the kernel devtmpfs filesystem.

This means that a kernel built with the current OMAP2+ config
will not boot on a system with a recent udev.
quoted
Also, it is good to have /dev automatically mounted since some
non-initramfs based setups assumes this and don't manually mount it.
For curiosity sake, any examples of such setups? I am using fedora 17 on
DaVinci and that doesn't seem to need it. Anyway, agreed that its better
to keep it enabled.

Thanks,
Sekhar
I'm using an IGEPv2 (TI OMAP3 DM3735) with an openembedded build and the oe udev
init script from the recipe I use seems to assume this.

Best regards,
Javier
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