Signed-off-by: Cédric Le Goater <clg@xxxxxxxxxx>
---
arch/powerpc/platforms/powernv/opal-sensor.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/powerpc/platforms/powernv/opal-sensor.c b/arch/powerpc/platforms/powernv/opal-sensor.c
index 4ab67ef7abc9..544292f2020f 100644
--- a/arch/powerpc/platforms/powernv/opal-sensor.c
+++ b/arch/powerpc/platforms/powernv/opal-sensor.c
@@ -72,6 +72,9 @@ static __init int opal_sensor_init(void)
struct platform_device *pdev;
struct device_node *sensor;
+ if (!opal_check_token(OPAL_SENSOR_READ))
+ return -ENODEV;
+
sensor = of_find_node_by_path("/ibm,opal/sensors");
if (!sensor) {
pr_err("Opal node 'sensors' not found\n");
--
1.7.10.4
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