linux-kernel - Re: [PATCH v4 1/6] of: dynamic: Add of_changeset_update_prop

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Message-ID: <Zrs_YijPxKBFQF0_@smile.fi.intel.com>
Date: Tue, 13 Aug 2024 14:11:30 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Chen-Yu Tsai <wenst@...omium.org>
Cc: Rob Herring <robh@...nel.org>, Saravana Kannan <saravanak@...gle.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Wolfram Sang <wsa@...nel.org>, Benson Leung <bleung@...omium.org>,
	Tzung-Bi Shih <tzungbi@...nel.org>, Mark Brown <broonie@...nel.org>,
	Liam Girdwood <lgirdwood@...il.com>,
	chrome-platform@...ts.linux.dev, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Douglas Anderson <dianders@...omium.org>,
	Johan Hovold <johan@...nel.org>, Jiri Kosina <jikos@...nel.org>,
	linux-i2c@...r.kernel.org
Subject: Re: [PATCH v4 1/6] of: dynamic: Add of_changeset_update_prop_string

On Thu, Aug 08, 2024 at 05:59:24PM +0800, Chen-Yu Tsai wrote:
> Add a helper function to add string property updates to an OF changeset.
> This is similar to of_changeset_add_prop_string(), but instead of adding
> the property (and failing if it exists), it will update the property.
> 
> This shall be used later in the DT hardware prober.

...

> +int of_changeset_update_prop_string(struct of_changeset *ocs,
> +				    struct device_node *np,
> +				    const char *prop_name, const char *str)
> +{
> +	struct property prop;
> +
> +	prop.name = (char *)prop_name;
> +	prop.length = strlen(str) + 1;
> +	prop.value = (void *)str;

Is it the existing style in the file? Otherwise I often see style like this

	struct property prop = {
		.name = (char *)prop_name;
		.length = strlen(str) + 1;
		.value = (void *)str;
	};

in the kernel (IRQ domain, platform core, ...).

> +	return of_changeset_update_prop_helper(ocs, np, &prop);
> +}

-- 
With Best Regards,
Andy Shevchenko