Re: [PATCH V2] platforms/83xx: Use of_device_get_match_data()

[Christophe JAILLET]

Le 25/02/2022 à 02:07, cgel.zte@xxxxxxxxx a écrit :
> From: Minghao Chi (CGEL ZTE) <chi.minghao@xxxxxxxxxx>
>
> Use of_device_get_match_data() to simplify the code.
> v1->v2:
> 	Add a judgment on the return value of the A function as NULL
>
> Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
> Signed-off-by: Minghao Chi (CGEL ZTE) <chi.minghao@xxxxxxxxxx>
> ---
>   arch/powerpc/platforms/83xx/suspend.c | 7 ++-----
>   1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/arch/powerpc/platforms/83xx/suspend.c b/arch/powerpc/platforms/83xx/suspend.c
> index bb147d34d4a6..6d47a5b81485 100644
> --- a/arch/powerpc/platforms/83xx/suspend.c
> +++ b/arch/powerpc/platforms/83xx/suspend.c
> @@ -322,18 +322,15 @@ static const struct platform_suspend_ops mpc83xx_suspend_ops = {
>   static const struct of_device_id pmc_match[];

Hi,
I think that the line above can now be removed as well.

just my 2c.

CJ


>   static int pmc_probe(struct platform_device *ofdev)
>   {
> -	const struct of_device_id *match;
>   	struct device_node *np = ofdev->dev.of_node;
>   	struct resource res;
>   	const struct pmc_type *type;
>   	int ret = 0;
>   
> -	match = of_match_device(pmc_match, &ofdev->dev);
> -	if (!match)
> +	type = of_device_get_match_data(&ofdev->dev);
> +	if (!type)
>   		return -EINVAL;
>   
> -	type = match->data;
> -
>   	if (!of_device_is_available(np))
>   		return -ENODEV;
>