From ffaddbe8f925a4f41eecb31e7fe69a9bdb6e2e59 Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Wed, 10 Apr 2013 10:32:51 +0000 Subject: [PATCH] PCI/PM: Make pci_pme_active() ignore devices without PME support Make pci_pme_active() ignore devices without PME support, so that it doesn't print the "PME enabled" or "PME disabled" debug messages for devices that don't support PME. So that pci_pme_active() doesn't have to check pm_cap in addition to pme_support, make pci_pm_init() clear pme_support upfront to make sure that it will be 0 for pm_cap equal to 0. Signed-off-by: Rafael J. Wysocki Signed-off-by: Bjorn Helgaas --- drivers/pci/pci.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index fc9bd81..a5e0e5f 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -1571,7 +1571,7 @@ void pci_pme_active(struct pci_dev *dev, bool enable) { u16 pmcsr; - if (!dev->pm_cap) + if (!dev->pme_support) return; pci_read_config_word(dev, dev->pm_cap + PCI_PM_CTRL, &pmcsr); @@ -1920,6 +1920,7 @@ void pci_pm_init(struct pci_dev *dev) dev->wakeup_prepared = false; dev->pm_cap = 0; + dev->pme_support = 0; /* find PCI PM capability in list */ pm = pci_find_capability(dev, PCI_CAP_ID_PM); @@ -1971,8 +1972,6 @@ void pci_pm_init(struct pci_dev *dev) device_set_wakeup_capable(&dev->dev, true); /* Disable the PME# generation functionality */ pci_pme_active(dev, false); - } else { - dev->pme_support = 0; } } -- 2.7.4