On Fri, Sep 11, 2020 at 01:58:06PM +0530, kuldip dwivedi wrote:

>  	/* find the resources - configuration register address space */
>  	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "fspi_base");
> +#ifdef CONFIG_ACPI
> +	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> +#endif

This is buggy, it is equivalent to just removing the name based lookup
since we'll do the name based lookup then unconditionally overwrite the
results with an index based lookup.