Re: [PATCH 1/6] ACPI: D3cold state is always valid

From: Rafael J. Wysocki
Date: Wed Apr 18 2012 - 05:04:49 EST


On Wednesday, April 18, 2012, Lin Ming wrote:
> On Wed, 2012-04-18 at 10:15 +0800, Lin Ming wrote:
> > (fix Len's address)
> >
> > On Tue, 2012-04-17 at 22:29 +0200, Rafael J. Wysocki wrote:
> > > On Tuesday, April 17, 2012, Lin Ming wrote:
> > > > ACPI_STATE_D3 actually means ACPI D3hot which is not always valid.
> > > > Instead, ACPI D3cold is always valid.
> > > >
> > > > Signed-off-by: Lin Ming <ming.m.lin@xxxxxxxxx>
> > >
> > > Can you just introduce ACPI_STATE_D3_HOT and redefine D3_COLD so that
> > > it's the same as D3, as I said?
> >
> > Do you mean below?
>
> Or you mean below?

This one, with a minor nit.

> diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
> index eba6604..5852b8a 100644
> --- a/include/acpi/actypes.h
> +++ b/include/acpi/actypes.h
> @@ -499,8 +499,9 @@ typedef u64 acpi_integer;
> #define ACPI_STATE_D0 (u8) 0
> #define ACPI_STATE_D1 (u8) 1
> #define ACPI_STATE_D2 (u8) 2
> -#define ACPI_STATE_D3 (u8) 3
> -#define ACPI_STATE_D3_COLD (u8) 4
> +#define ACPI_STATE_D3_HOT (u8) 3
> +#define ACPI_STATE_D3 (u8) 4
> +#define ACPI_STATE_D3_COLD ACPI_STATE_D3
> #define ACPI_D_STATES_MAX ACPI_STATE_D3_COLD

I'd say

#define ACPI_D_STATES_MAX ACPI_STATE_D3

> #define ACPI_D_STATE_COUNT 5

Thanks,
Rafael
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