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Subject[Resend][PATCH] PCI / PM: Fix messages printed by acpi_pci_set_power_state()

If a PCI device is put into D3_cold by acpi_bus_set_power(),
the message printed by acpi_pci_set_power_state() says that its
power state has been changed to D4, which doesn't make sense.
In turn, if the device is put into D3_hot, the message simply
says "D3" without specifying the variant of the D3 state.

Fix this by using the pci_power_name() macro for printing the state
name instead of building it from the numeric value corresponding to
the given state directly.

Signed-off-by: Rafael J. Wysocki <>
drivers/pci/pci-acpi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

Index: linux/drivers/pci/pci-acpi.c
--- linux.orig/drivers/pci/pci-acpi.c
+++ linux/drivers/pci/pci-acpi.c
@@ -266,8 +266,8 @@ static int acpi_pci_set_power_state(stru

if (!error)
- dev_printk(KERN_INFO, &dev->dev,
- "power state changed by ACPI to D%d\n", state);
+ dev_info(&dev->dev, "power state changed by ACPI to %s\n",
+ pci_power_name(state));

return error;

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