From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752648AbdI2Xke (ORCPT ); Fri, 29 Sep 2017 19:40:34 -0400 Received: from cloudserver094114.home.net.pl ([79.96.170.134]:49530 "EHLO cloudserver094114.home.net.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752505AbdI2Xkd (ORCPT ); Fri, 29 Sep 2017 19:40:33 -0400 From: "Rafael J. Wysocki" To: Bjorn Helgaas , Linux PCI Cc: Linux PM , LKML , Srinivas Pandruvada Subject: [PATCH] PCI / PM: Add dev_dbg() to print device suspend power states Date: Sat, 30 Sep 2017 01:31:15 +0200 Message-ID: <8776535.A6PtrVU7Ea@aspire.rjw.lan> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Rafael J. Wysocki It sometimes is useful to know what power states the kernel thinks it puts PCI devices into during system suspend, so add a dev_dbg() statement for that. Signed-off-by: Rafael J. Wysocki --- drivers/pci/pci-driver.c | 3 +++ 1 file changed, 3 insertions(+) Index: linux-pm/drivers/pci/pci-driver.c =================================================================== --- linux-pm.orig/drivers/pci/pci-driver.c +++ linux-pm/drivers/pci/pci-driver.c @@ -798,6 +798,9 @@ static int pci_pm_suspend_noirq(struct d pci_prepare_to_sleep(pci_dev); } + dev_dbg(dev, "PCI PM: Suspend power state: %s\n", + pci_power_name(pci_dev->current_state)); + pci_pm_set_unknown_state(pci_dev); /*