linux-kernel - [Resend][PATCH] ACPI: Drop ACPI_NO_HARDWARE

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Message-Id: <201108151155.43201.rjw@sisk.pl>
Date:	Mon, 15 Aug 2011 11:55:43 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Len Brown <lenb@...nel.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	ACPI Devel Mailing List <linux-acpi@...r.kernel.org>
Subject: [Resend][PATCH] ACPI: Drop ACPI_NO_HARDWARE_INIT

From: Rafael J. Wysocki <rjw@...k.pl>

ACPI_NO_HARDWARE_INIT is only used by acpi_early_init() and
acpi_bus_init() when calling acpi_enable_subsystem(), but
acpi_enable_subsystem() doesn't check that flag, so it can be
dropped.

Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
---
 drivers/acpi/bus.c     |    8 ++------
 include/acpi/actypes.h |    1 -
 2 files changed, 2 insertions(+), 7 deletions(-)

Index: linux-2.6/drivers/acpi/bus.c
===================================================================
--- linux-2.6.orig/drivers/acpi/bus.c
+++ linux-2.6/drivers/acpi/bus.c
@@ -911,10 +911,7 @@ void __init acpi_early_init(void)
 	}
 #endif
 
-	status =
-	    acpi_enable_subsystem(~
-				  (ACPI_NO_HARDWARE_INIT |
-				   ACPI_NO_ACPI_ENABLE));
+	status = acpi_enable_subsystem(~ACPI_NO_ACPI_ENABLE);
 	if (ACPI_FAILURE(status)) {
 		printk(KERN_ERR PREFIX "Unable to enable ACPI\n");
 		goto error0;
@@ -935,8 +932,7 @@ static int __init acpi_bus_init(void)
 
 	acpi_os_initialize1();
 
-	status =
-	    acpi_enable_subsystem(ACPI_NO_HARDWARE_INIT | ACPI_NO_ACPI_ENABLE);
+	status = acpi_enable_subsystem(ACPI_NO_ACPI_ENABLE);
 	if (ACPI_FAILURE(status)) {
 		printk(KERN_ERR PREFIX
 		       "Unable to start the ACPI Interpreter\n");
Index: linux-2.6/include/acpi/actypes.h
===================================================================
--- linux-2.6.orig/include/acpi/actypes.h
+++ linux-2.6/include/acpi/actypes.h
@@ -470,7 +470,6 @@ typedef u64 acpi_integer;
  */
 #define ACPI_FULL_INITIALIZATION        0x00
 #define ACPI_NO_ADDRESS_SPACE_INIT      0x01
-#define ACPI_NO_HARDWARE_INIT           0x02
 #define ACPI_NO_EVENT_INIT              0x04
 #define ACPI_NO_HANDLER_INIT            0x08
 #define ACPI_NO_ACPI_ENABLE             0x10
--
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