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path: root/drivers/acpi/device_pm.c
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Diffstat (limited to 'drivers/acpi/device_pm.c')
-rw-r--r--drivers/acpi/device_pm.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index beb9625e8458..59d3202f6b36 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -179,7 +179,9 @@ int acpi_device_set_power(struct acpi_device *device, int state)
}
if (device->parent && (state < device->parent->power.state)) {
dev_warn(&device->dev,
- "Cannot transition to a higher-powered state than parent\n");
+ "Cannot transition to power state %s for parent in %s\n",
+ acpi_power_state_string(state),
+ acpi_power_state_string(device->parent->power.state));
return -ENODEV;
}