linux-kernel - Re: [PATCH] remoteproc: st: Use device_get_match

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Message-ID: <b6f79025-2257-f739-7e12-4e18cb4c2048@foss.st.com>
Date:   Tue, 10 Oct 2023 08:28:54 +0200
From:   Patrice CHOTARD <patrice.chotard@...s.st.com>
To:     Rob Herring <robh@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-remoteproc@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] remoteproc: st: Use device_get_match_data()



On 10/9/23 23:13, Rob Herring wrote:
> Use preferred device_get_match_data() instead of of_match_device() to
> get the driver match data. With this, adjust the includes to explicitly
> include the correct headers.
> 
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
>  drivers/remoteproc/st_remoteproc.c | 14 ++++----------
>  1 file changed, 4 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/remoteproc/st_remoteproc.c b/drivers/remoteproc/st_remoteproc.c
> index e3ce01d98b4c..b0638f984842 100644
> --- a/drivers/remoteproc/st_remoteproc.c
> +++ b/drivers/remoteproc/st_remoteproc.c
> @@ -16,10 +16,9 @@
>  #include <linux/mfd/syscon.h>
>  #include <linux/module.h>
>  #include <linux/of.h>
> -#include <linux/of_address.h>
> -#include <linux/of_device.h>
>  #include <linux/of_reserved_mem.h>
>  #include <linux/platform_device.h>
> +#include <linux/property.h>
>  #include <linux/regmap.h>
>  #include <linux/remoteproc.h>
>  #include <linux/reset.h>
> @@ -341,7 +340,6 @@ static int st_rproc_parse_dt(struct platform_device *pdev)
>  static int st_rproc_probe(struct platform_device *pdev)
>  {
>  	struct device *dev = &pdev->dev;
> -	const struct of_device_id *match;
>  	struct st_rproc *ddata;
>  	struct device_node *np = dev->of_node;
>  	struct rproc *rproc;
> @@ -349,19 +347,15 @@ static int st_rproc_probe(struct platform_device *pdev)
>  	int enabled;
>  	int ret, i;
>  
> -	match = of_match_device(st_rproc_match, dev);
> -	if (!match || !match->data) {
> -		dev_err(dev, "No device match found\n");
> -		return -ENODEV;
> -	}
> -
>  	rproc = rproc_alloc(dev, np->name, &st_rproc_ops, NULL, sizeof(*ddata));
>  	if (!rproc)
>  		return -ENOMEM;
>  
>  	rproc->has_iommu = false;
>  	ddata = rproc->priv;
> -	ddata->config = (struct st_rproc_config *)match->data;
> +	ddata->config = (struct st_rproc_config *)device_get_match_data(dev);
> +	if (!ddata->config)
> +		goto free_rproc;
>  
>  	platform_set_drvdata(pdev, rproc);
>  


Reviewed-by: Patrice Chotard <patrice.chotard@...s.st.com>

Thanks
Patrice