linux-kernel - Re: [PATCH v3 06/28] driver core: fw_devlink: Introduce fw_devlink_set

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Message-ID: <CAGETcx9u-7TJ6_J5HdmDT=7A6Z08P-rUC0n+qnBoBi+ejRc2SQ@mail.gmail.com>
Date: Fri, 13 Jun 2025 14:13:49 -0700
From: Saravana Kannan <saravanak@...gle.com>
To: Herve Codina <herve.codina@...tlin.com>
Cc: Andrew Lunn <andrew@...n.ch>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	"Rafael J. Wysocki" <rafael@...nel.org>, Danilo Krummrich <dakr@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
	Sascha Hauer <s.hauer@...gutronix.de>, Pengutronix Kernel Team <kernel@...gutronix.de>, 
	Fabio Estevam <festevam@...il.com>, Michael Turquette <mturquette@...libre.com>, 
	Stephen Boyd <sboyd@...nel.org>, Andi Shyti <andi.shyti@...nel.org>, 
	Wolfram Sang <wsa+renesas@...g-engineering.com>, Peter Rosin <peda@...ntia.se>, 
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	Vishal Verma <vishal.l.verma@...el.com>, Ira Weiny <ira.weiny@...el.com>, 
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	linux-clk@...r.kernel.org, linux-i2c@...r.kernel.org, 
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	Steen Hegelund <steen.hegelund@...rochip.com>, Luca Ceresoli <luca.ceresoli@...tlin.com>, 
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH v3 06/28] driver core: fw_devlink: Introduce fw_devlink_set_device()

On Fri, Jun 13, 2025 at 6:49 AM Herve Codina <herve.codina@...tlin.com> wrote:
>
> Setting fwnode->dev is specific to fw_devlink.
>
> In order to avoid having a direct 'fwnode->dev = dev;' in several
> place in the kernel, introduce fw_devlink_set_device() helper to perform
> this operation.
>

This should not be set anywhere outside the driver core files. I'll
get to reviewing the series, but until then, NACK to this.

Is there a specific patch that explain why we need to set this outside
driver core?

-Saravana

> Signed-off-by: Herve Codina <herve.codina@...tlin.com>
> ---
>  include/linux/fwnode.h | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h
> index a921ca2fe940..a1345e274125 100644
> --- a/include/linux/fwnode.h
> +++ b/include/linux/fwnode.h
> @@ -231,4 +231,10 @@ void fw_devlink_purge_absent_suppliers(struct fwnode_handle *fwnode);
>  void fw_devlink_refresh_fwnode(struct fwnode_handle *fwnode);
>  bool fw_devlink_is_strict(void);
>
> +static inline void fw_devlink_set_device(struct fwnode_handle *fwnode,
> +                                        struct device *dev)
> +{
> +       fwnode->dev = dev;
> +}
> +
>  #endif
> --
> 2.49.0
>