linux-kernel - Re: [PATCH 3/4] of/property: Introduce of_fwnode

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Message-ID: <20181106122734.GC13048@kuha.fi.intel.com>
Date:   Tue, 6 Nov 2018 14:27:34 +0200
From:   Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     Rob Herring <robh@...nel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        linux-acpi@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 3/4] of/property: Introduce of_fwnode_name()

On Tue, Nov 06, 2018 at 12:58:03PM +0200, Andy Shevchenko wrote:
> On Mon, Nov 05, 2018 at 12:50:02PM -0600, Rob Herring wrote:
> > On Mon, Nov 5, 2018 at 3:17 AM Heikki Krogerus
> > <heikki.krogerus@...ux.intel.com> wrote:
> 
> > > +static const char *of_fwnode_name(const struct fwnode_handle *fwnode)
> > > +{
> > > +       return to_of_node(fwnode)->name;
> > 
> > I'm trying to get rid of the DT name ptr, so please don't add one. You
> > can use of_node_full_name() here instead if "<name>@<unit-address>"
> > instead of <name> is fine. Otherwise, you've got to allocate your own
> > storage and use "%pOFn" printf specifier.
> 
> If we do this here, we will change a behaviour of the entire set of
> of_fwnode_get_named_child_node() users.
> 
> I think this is out of scope of the series.

You have a point. We must use the same member that was used in
of_fwnode_get_named_child_node().

The goal of this series if most likely not clear from this patch
alone, so I'll send a second version and make sure to CC the DT list
and Rob.

But in any case, I'll keep this part as it is.


thanks,

-- 
heikki