linux-kernel - Re: [PATCH v2 0/4] device property: Add fwnode_get

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Date:   Tue, 20 Nov 2018 23:03:45 +0100
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Heikki Krogerus <heikki.krogerus@...ux.intel.com>
Cc:     Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rob Herring <robh@...nel.org>, linux-kernel@...r.kernel.org,
        linux-acpi@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v2 0/4] device property: Add fwnode_get_name() helper

On Thursday, November 8, 2018 5:51:52 PM CET Heikki Krogerus wrote:
> Hi,
> 
> This is the second version of my proposal for this helper. The
> first version can be checked here:
> https://lkml.org/lkml/2018/11/5/326
> 
> In order to support also ACPI properly, I decided to change the API.
> The function fwnode_name() is now fwnode_get_name(), and instead of
> returning pointer to the name, the function copies it to a buffer. I
> did that because acpica does not offer a way to get a pointer to the
> node name, and the name is clearly expected to be accessed only with
> the namespace lock held.
> 
> I think this is better approach in any case. It will also solve the
> problem of getting rid of the unit-address part from DT node names.
> 
> Let me know what you guys think.
> 
> --
> heikki
> 
> 
> Heikki Krogerus (4):
>   device property: Introduce fwnode_get_name()
>   ACPI: property: Add acpi_fwnode_name()
>   of/property: Add of_fwnode_name()
>   device property: Drop get_named_child_node callback
> 
>  drivers/acpi/property.c  | 43 ++++++++++++++++++++++------------------
>  drivers/base/property.c  | 34 ++++++++++++++++++++++++++++++-
>  drivers/of/property.c    | 26 ++++++++++--------------
>  include/linux/fwnode.h   |  6 +++---
>  include/linux/property.h |  2 ++
>  5 files changed, 73 insertions(+), 38 deletions(-)
> 
> 

I will be expecting at least one more iteration of this series to address the
Rob's comments.

Thanks,
Rafael