Commit d010e576 authored Jul 30, 2013 by Lan Tianyu Committed by Rafael J. Wysocki Aug 01, 2013

PCI / ACPI: Use dev_dbg() instead of dev_info() in acpi_pci_set_power_state()

acpi_pci_set_power_state() uses dev_info() to print diagnostic
messages regarding ACPI power state changes of devices, but that
results in too much not really interesting output into the kernel
log in some cases.

For this reason, change it to use dev_dbg() instead and prevent
kernel log from being spammed.

[rjw: Changelog]
References: https://bugzilla.kernel.org/show_bug.cgi?id=60636


Suggested-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

parent 2d8b1d56

drivers/pci/pci-acpi.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -210,7 +210,7 @@ static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state)
	}		}

	if (!error)		if (!error)
	dev_info(&dev->dev, "power state changed by ACPI to %s\n",		dev_dbg(&dev->dev, "power state changed by ACPI to %s\n",
	acpi_power_state_string(state_conv[state]));		acpi_power_state_string(state_conv[state]));

	return error;		return error;

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