diff options
| author | Bjorn Helgaas <bjorn.helgaas@hp.com> | 2009-09-21 19:28:54 +0000 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-09-25 14:24:23 -0400 |
| commit | 29aaefa68f933110e577fbf3ca360c88331e5ff5 (patch) | |
| tree | 3ecf97e11f3b1f068ce114b4649cef0d654ba526 | |
| parent | b24715027aab5e586c4ab1d035f3e543307dea69 (diff) | |
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: Bjorn Helgaas <bjorn.helgaas@hp.com>
Signed-off-by: Len Brown <len.brown@intel.com>
| -rw-r--r-- | drivers/acpi/scan.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 408ebde1898..75b7c572ef4 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -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; |