On Mon, Sep 01, 2014 at 03:57:42PM +0100, Hanjun Guo wrote:
> --- a/arch/arm64/kernel/acpi.c
> +++ b/arch/arm64/kernel/acpi.c
> @@ -74,3 +74,18 @@ void __init acpi_boot_table_init(void)
> * TBD when ARM/ARM64 starts to support suspend...
> */
> int (*acpi_suspend_lowlevel)(void) = NULL;
> +
> +static int __init parse_acpi(char *arg)
> +{
> + if (!arg)
> + return -EINVAL;
> +
> + /* "acpi=off" disables both ACPI table parsing and interpreter */
> + if (strcmp(arg, "off") == 0)
> + disable_acpi();
> + else
> + return -EINVAL; /* Core will print when we return error */
> +
> + return 0;
> +}
> +early_param("acpi", parse_acpi);
I forgot about early param, so there is a way to set acpi_disabled to 1
before populating the tables.
--
Catalin
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