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

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Date:   Mon, 5 Nov 2018 12:50:02 -0600
From:   Rob Herring <robh@...nel.org>
To:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...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 Mon, Nov 5, 2018 at 3:17 AM Heikki Krogerus
<heikki.krogerus@...ux.intel.com> wrote:
>
> Instead of always being forced to read the "name" property
> in fwnode_name() with of_nodes, implementing the fwnode
> operation meant for getting the node name.
>
> Signed-off-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
> Cc: Rob Herring <robh@...nel.org>
> ---
>  drivers/of/property.c | 6 ++++++

Please Cc the DT list for DT changes.

>  1 file changed, 6 insertions(+)
>
> diff --git a/drivers/of/property.c b/drivers/of/property.c
> index f46828e3b082..ac7b0b6c2d4d 100644
> --- a/drivers/of/property.c
> +++ b/drivers/of/property.c
> @@ -823,6 +823,11 @@ static void of_fwnode_put(struct fwnode_handle *fwnode)
>         of_node_put(to_of_node(fwnode));
>  }
>
> +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.

Rob