Messages in this thread | | | Date | Mon, 15 Sep 2014 15:51:07 +0100 | From | Catalin Marinas <> | Subject | Re: [PATCH v4 06/18] ARM64 / ACPI: Introduce early_param for "acpi" |
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On Mon, Sep 15, 2014 at 07:28:24AM +0100, Olof Johansson wrote: > On Fri, Sep 12, 2014 at 10:00:04PM +0800, Hanjun Guo wrote: > > See also Documentation/power/runtime_pm.txt, pci=noacpi > > > > diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c > > index 9252f72..693da7f 100644 > > --- a/arch/arm64/kernel/acpi.c > > +++ b/arch/arm64/kernel/acpi.c > > @@ -67,3 +67,18 @@ void __init acpi_boot_table_init(void) > > if (acpi_table_init()) > > disable_acpi(); > > } > > + > > +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 */ > > For symmetry, you should handle acpi=force here too (i.e. if someone > disables by default, which I expect we'll ask for when this code is > first merged).
Does this mean you want another Kconfig option - ACPI_DEFAULT_OFF (which would be set by default)?
-- Catalin
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