From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751268AbdJBX3q (ORCPT ); Mon, 2 Oct 2017 19:29:46 -0400 Received: from mail.kernel.org ([198.145.29.99]:54354 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750984AbdJBX3o (ORCPT ); Mon, 2 Oct 2017 19:29:44 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7E4202188C Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=helgaas@kernel.org Date: Mon, 2 Oct 2017 18:29:41 -0500 From: Bjorn Helgaas To: "Rafael J. Wysocki" Cc: Bjorn Helgaas , Linux PCI , Linux PM , LKML , Srinivas Pandruvada Subject: Re: [PATCH] PCI / PM: Add dev_dbg() to print device suspend power states Message-ID: <20171002232941.GF5407@bhelgaas-glaptop.roam.corp.google.com> References: <8776535.A6PtrVU7Ea@aspire.rjw.lan> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <8776535.A6PtrVU7Ea@aspire.rjw.lan> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Sep 30, 2017 at 01:31:15AM +0200, Rafael J. Wysocki wrote: > 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 Acked-by: Bjorn Helgaas I think you have other pending changes in this path, so can you take this one as well? > --- > 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); > > /* >