[PATCH 2/5] firmware: zynqmp: Load config overlay for core0 to pmufw

[Stefan Herbrechtsmeier]

Am 15.07.2022 um 11:39 schrieb Ashok Reddy Soma:
> Try loading pmufw config overlay for core0, if it doesn't return any
> error it means pmufw is accepting nodes for other IP's. Otherwise dont
> try to load config object for any other IP, just return from
> zynqmp_pmufw_node function.
> 
> Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma at xilinx.com>
> ---
> 
>   drivers/firmware/firmware-zynqmp.c | 14 ++++++++++++++
>   1 file changed, 14 insertions(+)
> 
> diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c
> index 34d9b47003..288151533e 100644
> --- a/drivers/firmware/firmware-zynqmp.c
> +++ b/drivers/firmware/firmware-zynqmp.c
> @@ -68,8 +68,13 @@ int zynqmp_pmufw_config_close(void)
>   	return 0;
>   }
>   
> +static bool config_enabled;
> +

Please move the variable inside the function.

>   int zynqmp_pmufw_node(u32 id)
>   {
> +	if (!config_enabled)
> +		return 0;
> +
>   	/* Record power domain id */
>   	xpm_configobject[NODE_ID_LOCATION] = id;
>   
> @@ -267,6 +272,15 @@ static int zynqmp_power_probe(struct udevice *dev)
>   	       ret >> ZYNQMP_PM_VERSION_MAJOR_SHIFT,
>   	       ret & ZYNQMP_PM_VERSION_MINOR_MASK);
>   
> +	if (IS_ENABLED(CONFIG_ARCH_ZYNQMP)) {
> +		xpm_configobject[NODE_ID_LOCATION] = NODE_APU_0;
> +
> +		ret = zynqmp_pmufw_load_config_object(xpm_configobject,
> +						      sizeof(xpm_configobject));
> +		if (!ret)
> +			config_enabled = true;
> +	}
> +
>   	return 0;
>   };
>