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

[Jean-Christophe PLAGNIOL-VILLARD]

On 15:31 Thu 22 Nov     , Grant Likely wrote:
> On Thu, 22 Nov 2012 06:41:38 +0100, Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com> wrote:
> > 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
> 
> Nope. stdout-path as currently defined is only one device. Someone would
> need to propose an extension for multiple stdout's before I'd bother
> trying to support that.
ok for this version I do not put it but I need it

I want to have 2 console uart and framebuffer

Personnaly I'd just allow multiple instance of stdout-path

what do you prefer

Best Regards,
J.