linux-kernel - Re: [PATCH] remoteproc: st: Use of_property_present() for testing DT property presence

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Message-ID: <20230418162635.GE1764573-robh@kernel.org>
Date:   Tue, 18 Apr 2023 11:26:35 -0500
From:   Rob Herring <robh@...nel.org>
To:     Patrice Chotard <patrice.chotard@...s.st.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] remoteproc: st: Use of_property_present() for testing DT
 property presence

On Fri, Mar 10, 2023 at 08:47:35AM -0600, Rob Herring wrote:
> It is preferred to use typed property access functions (i.e.
> of_property_read_<type> functions) rather than low-level
> of_get_property/of_find_property functions for reading properties. As
> part of this, convert of_get_property/of_find_property calls to the
> recently added of_property_present() helper when we just want to test
> for presence of a property and nothing more.
> 
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
>  drivers/remoteproc/st_remoteproc.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Ping!

> 
> diff --git a/drivers/remoteproc/st_remoteproc.c b/drivers/remoteproc/st_remoteproc.c
> index a3268d95a50e..50ef40671652 100644
> --- a/drivers/remoteproc/st_remoteproc.c
> +++ b/drivers/remoteproc/st_remoteproc.c
> @@ -379,7 +379,7 @@ static int st_rproc_probe(struct platform_device *pdev)
>  		clk_set_rate(ddata->clk, ddata->clk_rate);
>  	}
>  
> -	if (of_get_property(np, "mbox-names", NULL)) {
> +	if (of_property_present(np, "mbox-names")) {
>  		ddata->mbox_client_vq0.dev		= dev;
>  		ddata->mbox_client_vq0.tx_done		= NULL;
>  		ddata->mbox_client_vq0.tx_block	= false;
> -- 
> 2.39.2
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

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