Messages in this thread | | | Date | Mon, 2 Oct 2017 18:29:41 -0500 | From | Bjorn Helgaas <> | Subject | Re: [PATCH] PCI / PM: Add dev_dbg() to print device suspend power states |
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On Sat, Sep 30, 2017 at 01:31:15AM +0200, Rafael J. Wysocki wrote: > From: Rafael J. Wysocki <rafael.j.wysocki@intel.com> > > 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 <rafael.j.wysocki@intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
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); > > /* >
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