thermal: Delete an error message in four functions

The function “platform_get_irq” can log an error already.
Thus omit redundant messages for the exception handling in the
calling functions.

This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Reviewed-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/05f49ae7-5cc7-d6a0-fc3d-abaf2a0b373c@web.de

drivers/thermal/rockchip_thermal.c

@@ -1241,10 +1241,8 @@ static int rockchip_thermal_probe(struct platform_device *pdev)
 		return -ENXIO;
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(&pdev->dev, "no irq resource?\n");
+	if (irq < 0)
 		return -EINVAL;
-	}
 
 	thermal = devm_kzalloc(&pdev->dev, sizeof(struct rockchip_thermal_data),
 			       GFP_KERNEL);

drivers/thermal/st/st_thermal_memmap.c

@@ -94,10 +94,8 @@ static int st_mmap_register_enable_irq(struct st_thermal_sensor *sensor)
 	int ret;
 
 	sensor->irq = platform_get_irq(pdev, 0);
-	if (sensor->irq < 0) {
-		dev_err(dev, "failed to register IRQ\n");
+	if (sensor->irq < 0)
 		return sensor->irq;
-	}
 
 	ret = devm_request_threaded_irq(dev, sensor->irq,
 					NULL, st_mmap_thermal_trip_handler,

drivers/thermal/st/stm_thermal.c

@@ -385,10 +385,8 @@ static int stm_register_irq(struct stm_thermal_sensor *sensor)
 	int ret;
 
 	sensor->irq = platform_get_irq(pdev, 0);
-	if (sensor->irq < 0) {
-		dev_err(dev, "%s: Unable to find IRQ\n", __func__);
+	if (sensor->irq < 0)
 		return sensor->irq;
-	}
 
 	ret = devm_request_threaded_irq(dev, sensor->irq,
 					NULL,

drivers/thermal/ti-soc-thermal/ti-bandgap.c

@@ -772,10 +772,9 @@ static int ti_bandgap_talert_init(struct ti_bandgap *bgp,
 	int ret;
 
 	bgp->irq = platform_get_irq(pdev, 0);
-	if (bgp->irq < 0) {
-		dev_err(&pdev->dev, "get_irq failed\n");
+	if (bgp->irq < 0)
 		return bgp->irq;
-	}
+
 	ret = request_threaded_irq(bgp->irq, NULL,
 				   ti_bandgap_talert_irq_handler,
 				   IRQF_TRIGGER_HIGH | IRQF_ONESHOT,