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PCI/PM/Runtime: make PCI traces quieter

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When the runtime PM is activated on PCI, if a device switches state
frequently (e.g. an EHCI controller with autosuspending USB devices
connected) the PCI configuration traces might be very verbose in the
kernel log.  Let's guard those traces with DEBUG condition.

Acked-by: "Rafael J. Wysocki" <rjw@sisk.pl>
Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Vincent Palatin 2011-12-05 11:51:18 -08:00 • committed by Jesse Barnes
parent 118faafaf9
commit 85b8582d7c
3 changed files with 10 additions and 11 deletions
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5
drivers/pci/pci.c
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@ -973,7 +973,7 @@ void pci_restore_state(struct pci_dev *dev)
for (i = 15; i >= 0; i--) {
pci_read_config_dword(dev, i * 4, &val);
if (val != dev->saved_config_space[i]) {
dev_printk(KERN_DEBUG, &dev->dev, "restoring config "
dev_dbg(&dev->dev, "restoring config "
"space at offset %#x (was %#x, writing %#x)\n",
i, val, (int)dev->saved_config_space[i]);
pci_write_config_dword(dev,i * 4,
@ -1542,8 +1542,7 @@ void pci_pme_active(struct pci_dev *dev, bool enable)
}
out:
dev_printk(KERN_DEBUG, &dev->dev, "PME# %s\n",
enable ? "enabled" : "disabled");
dev_dbg(&dev->dev, "PME# %s\n", enable ? "enabled" : "disabled");
}
/**