Re: [PATCH v3 4/5] spi: cadence: Allow to read basic xSPI configuration from ACPI

[Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>]

On 18/04/2024 03:13, Witold Sadowski wrote:
> From: Piyush Malgujar <pmalgujar@xxxxxxxxxxx>
> 
> These changes enables to read the configs from ACPI tables as required
> for successful probing in ACPI uefi environment.
> In case of ACPI disabled/dts based environment, it will continue to
> read configs from dts as before
> 

...

>  	}
> @@ -924,6 +989,21 @@ static int cdns_xspi_probe(struct platform_device *pdev)
>  	return 0;
>  }
>  
> +#ifdef CONFIG_ACPI
> +static const struct acpi_device_id cdns_xspi_acpi_match[] = {
> +	{
> +		.id = "cdns,xspi-nor",
> +		.driver_data = (kernel_ulong_t) &cdns_driver_data,
> +	},
> +	{
> +		.id = "mrvl,xspi-nor",
> +		.driver_data = (kernel_ulong_t) &mrvl_driver_data,

UEFI provides compatibles for ACPI? I think that's first such format in
the kernel.

Best regards,
Krzysztof