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PCI/PM/Runtime: make PCI traces quieter 

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 коммит произвёл Jesse Barnes
Родитель 118faafaf9
Коммит 85b8582d7c
3 изменённых файлов: 10 добавлений и 11 удалений
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10
drivers/acpi/pci_irq.c
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@ -487,10 +487,10 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
else
link_desc[0] = '\0';
dev_info(&dev->dev, "PCI INT %c%s -> GSI %u (%s, %s) -> IRQ %d\n",
pin_name(pin), link_desc, gsi,
(triggering == ACPI_LEVEL_SENSITIVE) ? "level" : "edge",
(polarity == ACPI_ACTIVE_LOW) ? "low" : "high", dev->irq);
dev_dbg(&dev->dev, "PCI INT %c%s -> GSI %u (%s, %s) -> IRQ %d\n",
pin_name(pin), link_desc, gsi,
(triggering == ACPI_LEVEL_SENSITIVE) ? "level" : "edge",
(polarity == ACPI_ACTIVE_LOW) ? "low" : "high", dev->irq);
return 0;
}
@ -524,6 +524,6 @@ void acpi_pci_irq_disable(struct pci_dev *dev)
* (e.g. PCI_UNDEFINED_IRQ).
*/
dev_info(&dev->dev, "PCI INT %c disabled\n", pin_name(pin));
dev_dbg(&dev->dev, "PCI INT %c disabled\n", pin_name(pin));
acpi_unregister_gsi(gsi);
}

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");
}
/**

6
drivers/pci/setup-res.c
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@ -85,9 +85,9 @@ void pci_update_resource(struct pci_dev *dev, int resno)
}
}
res->flags &= ~IORESOURCE_UNSET;
dev_info(&dev->dev, "BAR %d: set to %pR (PCI address [%#llx-%#llx])\n",
resno, res, (unsigned long long)region.start,
(unsigned long long)region.end);
dev_dbg(&dev->dev, "BAR %d: set to %pR (PCI address [%#llx-%#llx])\n",
resno, res, (unsigned long long)region.start,
(unsigned long long)region.end);
}
int pci_claim_resource(struct pci_dev *dev, int resource)