Le 19/01/2026 à 11:40, Bartosz Golaszewski a écrit :
> Don't access of_root directly as it reduces the build test coverage for
> this driver with COMPILE_TEST=y and OF=n. Use existing helper functions
> to retrieve the relevant information.
> 
> Suggested-by: Rob Herring <[email protected]>
> Signed-off-by: Bartosz Golaszewski <[email protected]>

Reviewed-by: Christophe Leroy (CS GROUP) <[email protected]>
Acked-by: Christophe Leroy (CS GROUP) <[email protected]>

> ---
>   drivers/soc/fsl/guts.c | 12 +++---------
>   1 file changed, 3 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/soc/fsl/guts.c b/drivers/soc/fsl/guts.c
> index 
> 6bf3e6a980ffc67c21ed7b62b5b638e37f27454e..88ba32a40f6a27f8ffd13624e940aa0edf48586f
>  100644
> --- a/drivers/soc/fsl/guts.c
> +++ b/drivers/soc/fsl/guts.c
> @@ -186,7 +186,6 @@ static int __init fsl_guts_init(void)
>       const struct fsl_soc_data *soc_data;
>       const struct of_device_id *match;
>       struct ccsr_guts __iomem *regs;
> -     const char *machine = NULL;
>       struct device_node *np;
>       bool little_endian;
>       u64 soc_uid = 0;
> @@ -217,13 +216,9 @@ static int __init fsl_guts_init(void)
>       if (!soc_dev_attr)
>               return -ENOMEM;
>   
> -     if (of_property_read_string(of_root, "model", &machine))
> -             of_property_read_string_index(of_root, "compatible", 0, 
> &machine);
> -     if (machine) {
> -             soc_dev_attr->machine = kstrdup(machine, GFP_KERNEL);
> -             if (!soc_dev_attr->machine)
> -                     goto err_nomem;
> -     }
> +     ret = soc_device_get_machine(soc_dev_attr);
> +     if (ret)
> +             of_machine_get_compatible(&soc_dev_attr->machine);
>   
>       soc_die = fsl_soc_die_match(svr, fsl_soc_die);
>       if (soc_die) {
> @@ -267,7 +262,6 @@ static int __init fsl_guts_init(void)
>   err_nomem:
>       ret = -ENOMEM;
>   err:
> -     kfree(soc_dev_attr->machine);
>       kfree(soc_dev_attr->family);
>       kfree(soc_dev_attr->soc_id);
>       kfree(soc_dev_attr->revision);
> 

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