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From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH 1/8] PM: Add parent information to timing messages
Date: Sun, 24 Jan 2010 00:34:36 +0100
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Cc: Alan Stern <stern@rowland.harvard.edu>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Linux PCI <linux-pci@vger.kernel.org>,
	pm list <linux-pm@lists.linux-foundation.org>,
	linux-usb@vger.kernel.org, Greg KH <gregkh@suse.de>,
	Jesse Barnes <jbarnes@virtuousgeek.org>,
	James Bottomley <James.Bottomley@suse.de>,
	Linux SCSI <linux-scsi@vger.kernel.org>,
	Arjan van de Ven <arjan@infradead.org>,
	ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
	Len Brown <lenb@kernel.org>, Nigel Cunningham <ncunningham@crca.org.au>
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Index: linux-2.6/drivers/base/power/main.c
===================================================================
--- linux-2.6.orig/drivers/base/power/main.c
+++ linux-2.6/drivers/base/power/main.c
@@ -271,8 +271,9 @@ static int pm_noirq_op(struct device *de
 	ktime_t calltime, delta, rettime;
 
 	if (initcall_debug) {
-		pr_info("calling  %s_i+ @ %i\n",
-				dev_name(dev), task_pid_nr(current));
+		pr_info("calling  %s+ @ %i, parent: %s\n",
+				dev_name(dev), task_pid_nr(current),
+				dev->parent ? dev_name(dev->parent) : "none");
 		calltime = ktime_get();
 	}