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Commit 29aaefa6 authored by Bjorn Helgaas's avatar Bjorn Helgaas Committed by Len Brown
Browse files

ACPI: add debug for device addition 



Add debug output for adding an ACPI device.  Enable this with
"acpi.debug_layer=0x00010000" (ACPI_BUS_COMPONENT).

Signed-off-by: default avatarBjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent b2471502

drivers/acpi/scan.c

+10 −2
Original line number Diff line number Diff line
@@ -1230,6 +1230,7 @@ acpi_add_single_object(struct acpi_device **child, 
{

	int result = 0;

	struct acpi_device *device = NULL;

	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };





	if (!child)
@@ -1355,9 +1356,16 @@ acpi_add_single_object(struct acpi_device **child, 
	}



end:

	if (!result)

	if (!result) {

		acpi_get_name(handle, ACPI_FULL_PATHNAME, &buffer);

		ACPI_DEBUG_PRINT((ACPI_DB_INFO,

			"Adding %s [%s] parent %s\n", dev_name(&device->dev),

			 (char *) buffer.pointer,

			 device->parent ? dev_name(&device->parent->dev) :

					  "(null)"));

		kfree(buffer.pointer);

		*child = device;

	else

	} else

		acpi_device_release(&device->dev);



	return result;