linux-kernel - [PATCH - 1/2] Identify native drivers and ACPI subsystem accessing the same resources

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Date:	Fri, 13 Jul 2007 14:59:09 +0200
From:	Thomas Renninger <trenn@...e.de>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Cc:	Bernhard Walle <bwalle@...e.de>,
	"Starikovskiy, Alexey Y" <aystarik@...il.com>,
	linux-acpi <linux-acpi@...r.kernel.org>,
	lm-sensors@...sensors.org, Bjorn Helgaas <bjorn.helgaas@...com>,
	Jean Delvare <khali@...ux-fr.org>,
	akpm <akpm@...ux-foundation.org>
Subject: [PATCH - 1/2] Identify native drivers and ACPI subsystem accessing
	the same resources -  ACPICA stuff

Also pass the OperationRegion name to the OS validate func


Signed-off-by: Thomas Renninger <trenn@...e.de>

---
 drivers/acpi/dispatcher/dsopcode.c |    4 +++-
 include/acpi/acpiosxf.h            |    4 ++--
 2 files changed, 5 insertions(+), 3 deletions(-)

Index: linux-2.6.22-rc5/include/acpi/acpiosxf.h
===================================================================
--- linux-2.6.22-rc5.orig/include/acpi/acpiosxf.h
+++ linux-2.6.22-rc5/include/acpi/acpiosxf.h
@@ -239,8 +239,8 @@ acpi_status acpi_os_validate_interface(c
 acpi_status acpi_osi_invalidate(char* interface);
 
 acpi_status
-acpi_os_validate_address(u8 space_id,
-			 acpi_physical_address address, acpi_size length);
+acpi_os_validate_address(u8 space_id, acpi_physical_address address,
+			 acpi_size length, char *name);
 
 u64 acpi_os_get_timer(void);
 
Index: linux-2.6.22-rc5/drivers/acpi/dispatcher/dsopcode.c
===================================================================
--- linux-2.6.22-rc5.orig/drivers/acpi/dispatcher/dsopcode.c
+++ linux-2.6.22-rc5/drivers/acpi/dispatcher/dsopcode.c
@@ -359,7 +359,9 @@ acpi_status acpi_ds_get_region_arguments
 
 	status = acpi_os_validate_address(obj_desc->region.space_id,
 					  obj_desc->region.address,
-					  (acpi_size) obj_desc->region.length);
+					  (acpi_size) obj_desc->region.length,
+					  acpi_ut_get_node_name(node));
+
 	if (ACPI_FAILURE(status)) {
 		/*
 		 * Invalid address/length. We will emit an error message and mark


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