From: Bjorn Helgaas Subject: [PATCH 04/19] ACPI: add debug for device addition Date: Fri, 31 Jul 2009 15:36:53 -0600 Message-ID: <20090731213653.29930.6859.stgit@bob.kio> References: <20090731213501.29930.39957.stgit@bob.kio> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: Received: from g4t0017.houston.hp.com ([15.201.24.20]:32379 "EHLO g4t0017.houston.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753086AbZGaVg6 (ORCPT ); Fri, 31 Jul 2009 17:36:58 -0400 In-Reply-To: <20090731213501.29930.39957.stgit@bob.kio> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Len Brown Cc: linux-acpi@vger.kernel.org Add debug output for adding an ACPI device. Enable this with "acpi.debug_layer=0x00010000" (ACPI_BUS_COMPONENT). Signed-off-by: Bjorn Helgaas --- drivers/acpi/scan.c | 11 +++++++++-- 1 files changed, 9 insertions(+), 2 deletions(-) diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 652d104..92b4fe2 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1178,6 +1178,7 @@ 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) @@ -1311,9 +1312,15 @@ 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)")); *child = device; - else { + } else { kfree(device->pnp.cid_list); kfree(device); }