[PATCH] ARM: dts: stm32: Configure Buck3 voltage per PMIC NVM on Avenger96

[Marek Vasut]

On 5/17/22 14:39, Patrick DELAUNAY wrote:

Hi,

[...]

>> +static int board_get_regulator_buck3_nvm_uv_av96(int *uv)
>> +{
>> +    const void *fdt = gd->fdt_blob;
>> +    struct udevice *dev;
>> +    u8 bucks_vout = 0;
>> +    const char *prop;
>> +    int len, ret;
>> +
>> +    /* Check whether this is Avenger96 board. */
>> +    prop = fdt_getprop(fdt, 0, "compatible", &len);
> 
> 
> This API is not compatible with CONFIG_OF_LIVE
> 
> consider replacement with ofnode_read_prop or with 
> of_machine_is_compatible, for example
> 
> if (!of_machine_is_compatible(prop, "arrow,stm32mp15xx-avenger96"))
>      return -EINVAL;

I explicitly don't want to use of_machine_is_compatible, I need to 
search for the avenger96 substring in the machine compatible, since the 
stm32mp15xx can be anything (15{1,3,7}{a,d}) and it might not even have 
the arrow prefix.