[PATCH v7 07/17] ARM64 / ACPI: Disable ACPI if FADT revision is less than 5.1

Catalin Marinas catalin.marinas at arm.com
Mon Jan 19 03:50:17 PST 2015


On Wed, Jan 14, 2015 at 03:04:55PM +0000, Hanjun Guo wrote:
> --- a/arch/arm64/kernel/acpi.c
> +++ b/arch/arm64/kernel/acpi.c
[...]
> @@ -64,8 +88,13 @@ void __init acpi_boot_table_init(void)
>  		return;
>  
>  	/* Initialize the ACPI boot-time table parser. */
> -	if (acpi_table_init())
> +	if (acpi_table_init()) {
>  		disable_acpi();
> +		return;
> +	}
> +
> +	if (acpi_table_parse(ACPI_SIG_FADT, acpi_parse_fadt))
> +		pr_err("Can't find FADT or error happened during parsing FADT\n");
>  }

Do you need a disable_acpi() call here as well?

-- 
Catalin



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