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Commit 30823736 authored by Lin Ming's avatar Lin Ming Committed by Len Brown
Browse files

ACPI: sony-laptop.c: call acpi_get_object_info to get node info 



Avoid using internal acpica structures acpi_namespace_node and acpi_operand_object
Call acpi_get_object_info to get node ascii name and method arg count

Signed-off-by: default avatarLin Ming <ming.m.lin@intel.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 3d97e426

drivers/misc/sony-laptop.c

+9 −6
Original line number Diff line number Diff line
@@ -935,14 +935,17 @@ static void sony_acpi_notify(acpi_handle handle, u32 event, void *data) 
static acpi_status sony_walk_callback(acpi_handle handle, u32 level,

				      void *context, void **return_value)

{

	struct acpi_namespace_node *node;

	union acpi_operand_object *operand;

	struct acpi_device_info *info;

	struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL};



	node = (struct acpi_namespace_node *)handle;

	operand = (union acpi_operand_object *)node->object;

	if (ACPI_SUCCESS(acpi_get_object_info(handle, &buffer))) {

		info = buffer.pointer;



	printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n", node->name.ascii,

	       (u32) operand->method.param_count);

		printk(KERN_WARNING DRV_PFX "method: name: %4.4s, args %X\n",

			(char *)&info->name, info->param_count);



		kfree(buffer.pointer);

	}



	return AE_OK;

}