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

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Message-ID: <1334716348.11188.148.camel@minggr>
Date:	Wed, 18 Apr 2012 10:32:28 +0800
From:	Lin Ming <ming.m.lin@...el.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Len Brown <lenb@...nel.org>, linux-kernel@...r.kernel.org,
	linux-acpi@...r.kernel.org, Zhang Rui <rui.zhang@...el.com>,
	Huang Ying <huang.ying.caritas@...il.com>,
	Aaron Lu <aaron.lu@....com>
Subject: Re: [PATCH 1/6] ACPI: D3cold state is always valid

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@...el.com>
> > 
> > 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?

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
 #define ACPI_D_STATE_COUNT              5
 


> 
> diff --git a/include/acpi/actypes.h b/include/acpi/actypes.h
> index eba6604..f0b25c8 100644
> --- a/include/acpi/actypes.h
> +++ b/include/acpi/actypes.h
> @@ -499,9 +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_D_STATES_MAX               ACPI_STATE_D3_COLD
> +#define ACPI_STATE_D3_HOT               (u8) 3
> +#define ACPI_STATE_D3                   (u8) 4
> +#define ACPI_D_STATES_MAX               ACPI_STATE_D3
>  #define ACPI_D_STATE_COUNT              5
>  
>  #define ACPI_STATE_C0                   (u8) 0
> 


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