[PATCH 1/4] OF: Add helper for matching against linux,stdout-path

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Thu Nov 22 00:41:38 EST 2012


On 18:03 Wed 21 Nov     , Grant Likely wrote:
> On Wed, Nov 21, 2012 at 3:57 PM, Jean-Christophe PLAGNIOL-VILLARD
> <plagnioj at jcrosoft.com> wrote:
> > From: Sascha Hauer <s.hauer at pengutronix.de>
> >
> > devicetrees may have a linux,stdout-path or stdout-path property
> > in the chosen node describing the console device. This adds a helper
> > function to match a device against this property and retrieve the options
> > so a driver can call add_preferred_console for a matching device.
> 
> NIce. Looks like the right behaviour, but is a little inefficient.
> Since the stdout property doesn't change this code could be called
> once right after the tree is unflattened and then cache the pointer to
> the node anarguments. Can you add the code to of_alias_scan()?
do we assume that we can have only one stdout-path?

I think we could have more serial, framebuffer console

Best Regards,
J.



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