[PATCH] net: NEWEMAC: Remove "rgmii-interface" from rgmii matching table
Olof Johansson
olof at lixom.net
Thu Feb 7 03:35:54 EST 2008
On Wed, Feb 06, 2008 at 10:23:40AM -0600, Josh Boyer wrote:
> On Wed, 6 Feb 2008 10:01:57 -0600
> Olof Johansson <olof at lixom.net> wrote:
>
> > On Wed, Feb 06, 2008 at 01:21:59PM +0100, Stefan Roese wrote:
> > > With the removal the the "rgmii-interface" device_type property from the
> > > dts files, the newemac driver needs an update to only rely on compatible
> > > property.
> >
> > What about systems using an older dts, such as one kexec:ing from an
> > older kernel?
>
> Like what? Kexec doesn't work on 4xx yet.
Sure, but similar restrictions would apply for customers who have a
flashed device tree that want to boot a newer kernel. Deprecating old
device tree support is something that should be done very carefully.
> > Just because the device tree source is distributed in the kernel tree
> > doesn't mean it can give up backwards compatibility.
>
> We checked Axon, which is the only non-DTS machine that uses EMAC and
> it will work fine with this change.
Ah, ok. I remember discussions about this patch before then, sounds like
it's safe. I just triggered on the dts-centric patch description.
Objections withdrawn. :)
-Olof
More information about the Linuxppc-dev
mailing list