As per Documentation/devicetree/bindings/thermal/qoriq-thermal.txt
thermal-sensor-cells _must_ be 1, so there is no reason to be more
lenient in the code and treat the absence of argument in
thermal-sensors specifier as a valid DT code. Drop that special case
to simplify sensor ID retreival code.

Signed-off-by: Andrey Smirnov <[email protected]>
Cc: Chris Healy <[email protected]>
Cc: Lucas Stach <[email protected]>
Cc: Zhang Rui <[email protected]>
Cc: Eduardo Valentin <[email protected]>
Cc: Daniel Lezcano <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
---
 drivers/thermal/qoriq_thermal.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/thermal/qoriq_thermal.c b/drivers/thermal/qoriq_thermal.c
index d4f5e180e1ee..f746c62789b0 100644
--- a/drivers/thermal/qoriq_thermal.c
+++ b/drivers/thermal/qoriq_thermal.c
@@ -82,14 +82,14 @@ static int qoriq_tmu_get_sensor_id(void)
                goto out;
        }
 
-       if (sensor_specs.args_count >= 1) {
-               id = sensor_specs.args[0];
-               WARN(sensor_specs.args_count > 1,
-                               "%pOFn: too many cells in sensor specifier 
%d\n",
-                               sensor_specs.np, sensor_specs.args_count);
-       } else {
-               id = 0;
+       if (sensor_specs.args_count != 1) {
+               pr_err("%pOFn: Invalid number of cells in sensor specifier 
%d\n",
+                      sensor_specs.np, sensor_specs.args_count);
+               id = -EINVAL;
+               goto out;
        }
+
+       id = sensor_specs.args[0];
 out:
        of_node_put(np);
        of_node_put(sensor_np);
-- 
2.20.1

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