From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bjorn Helgaas Subject: [PATCH v3 02/17] ACPI: add debug for device addition Date: Mon, 21 Sep 2009 13:28:54 -0600 Message-ID: <20090921192854.21322.14281.stgit@bob.kio> References: <20090921192656.21322.23072.stgit@bob.kio> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: Received: from g1t0028.austin.hp.com ([15.216.28.35]:31273 "EHLO g1t0028.austin.hp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753318AbZIUT2v (ORCPT ); Mon, 21 Sep 2009 15:28:51 -0400 In-Reply-To: <20090921192656.21322.23072.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 | 12 ++++++++++-- 1 files changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 408ebde..75b7c57 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;