Subject: [patch v11 09/23] ARM64 / ACPI: If we chose to boot from acpi then disable FDT

From: [email-masked] (Catalin Marinas)
Date: Wed, 25 Mar 2015 17:00:27 +0000

On Tue, Mar 24, 2015 at 10:02:42PM +0800, Hanjun Guo wrote:
> If the early boot methods of acpi are happy that we have valid ACPI
> tables and acpi=force has been passed, then do not unflat devicetree
> effectively disabling further hardware probing from DT.
[...]
> --- a/arch/arm64/kernel/setup.c
> +++ b/arch/arm64/kernel/setup.c
> @@ -390,7 +390,8 @@ void __init setup_arch(char **cmdline_p)
>  
>  	early_ioremap_reset();
>  
> -	unflatten_device_tree();
> +	if (acpi_disabled)
> +		unflatten_device_tree();

So if we have acpi=force but the acpi failed, do we have acpi_disabled
set? Or this requires Lorenzo's patch?

-- 
Catalin