Thread (32 messages) flat view 32 messages, 7 authors, 2011-08-10

Re: [PATCH v10 5/5] [powerpc] Fix up fsl-flexcan device tree binding.

From: Kumar Gala <hidden>
Date: 2011-08-10 17:26:26
Also in: linuxppc-dev

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So the node names should be
		can@1c000 {
		can@1d000 {
correct?
[Bhaskar] As there are two CAN controllers on P1010,So won't it be better
	    to distinguish it by can0 and can1 instead by simple "can" ?
It looks like the way to do that is to assign a label to those devices
and then associate the label with an alias.  I have no idea how that
works under the hood, but it is the way other files are set up.  Take a
look at arch/powerpc/boot/dts/bamboo.dts for how they define the serial
interfaces.

Grant or Wolfgang, is that the right way to handle the concern about
names or does it have no practical effect with the Linux kernel?
It has not effect.  The label is just if you need to reference it via some other means.
Does the alias have an effect?
nope
Then how does the device number get associated with a particular device
What do you mean by device number?
and how is user-space ensured a consistent namespace?
that is left to udev rules.

- k
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