diff --git a/drivers/thermal/broadcom/Kconfig b/drivers/thermal/broadcom/Kconfig
index ab08af4654ef18c05d1ab9725dd96fb44f9264bf..42c098e86f849393eeb580e85fef1f93a14bdac7 100644
--- a/drivers/thermal/broadcom/Kconfig
+++ b/drivers/thermal/broadcom/Kconfig
@@ -9,8 +9,9 @@ config BCM2835_THERMAL
 config BCM_NS_THERMAL
 	tristate "Northstar thermal driver"
 	depends on ARCH_BCM_IPROC || COMPILE_TEST
+	default y if ARCH_BCM_IPROC
 	help
-	  Northstar is a family of SoCs that includes e.g. BCM4708, BCM47081,
-	  BCM4709 and BCM47094. It contains DMU (Device Management Unit) block
-	  with a thermal sensor that allows checking CPU temperature. This
-	  driver provides support for it.
+	  Support for the Northstar and Northstar Plus family of SoCs (e.g.
+	  BCM4708, BCM4709, BCM5301x, BCM95852X, etc). It contains DMU (Device
+	  Management Unit) block with a thermal sensor that allows checking CPU
+	  temperature.
diff --git a/drivers/thermal/qoriq_thermal.c b/drivers/thermal/qoriq_thermal.c
index 644ba526d9ea09d2b1d0525cbf298cf10893cad0..4362a69ac88dcff8573e88e16fd6f3653432dd68 100644
--- a/drivers/thermal/qoriq_thermal.c
+++ b/drivers/thermal/qoriq_thermal.c
@@ -195,7 +195,6 @@ static struct thermal_zone_of_device_ops tmu_tz_ops = {
 static int qoriq_tmu_probe(struct platform_device *pdev)
 {
 	int ret;
-	const struct thermal_trip *trip;
 	struct qoriq_tmu_data *data;
 	struct device_node *np = pdev->dev.of_node;
 	u32 site = 0;
@@ -243,8 +242,6 @@ static int qoriq_tmu_probe(struct platform_device *pdev)
 		goto err_tmu;
 	}
 
-	trip = of_thermal_get_trip_points(data->tz);
-
 	/* Enable monitoring */
 	site |= 0x1 << (15 - data->sensor_id);
 	tmu_write(data, site | TMR_ME | TMR_ALPF, &data->regs->tmr);
diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index b21b9cc2c8d6412897193a4ce53e295966737e9c..5a51c740e37238b31b9883d689aa67ffaea15704 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -359,7 +359,7 @@ static DECLARE_DELAYED_WORK(thermal_emergency_poweroff_work,
  * This may be called from any critical situation to trigger a system shutdown
  * after a known period of time. By default this is not scheduled.
  */
-void thermal_emergency_poweroff(void)
+static void thermal_emergency_poweroff(void)
 {
 	int poweroff_delay_ms = CONFIG_THERMAL_EMERGENCY_POWEROFF_DELAY_MS;
 	/*
diff --git a/drivers/thermal/ti-soc-thermal/ti-bandgap.c b/drivers/thermal/ti-soc-thermal/ti-bandgap.c
index ba9c302454fb398490046be46831c0a0f821788c..696ab3046b87d98cff65182f60499c98578175bd 100644
--- a/drivers/thermal/ti-soc-thermal/ti-bandgap.c
+++ b/drivers/thermal/ti-soc-thermal/ti-bandgap.c
@@ -1010,7 +1010,7 @@ ti_bandgap_force_single_read(struct ti_bandgap *bgp, int id)
 }
 
 /**
- * ti_bandgap_set_continous_mode() - One time enabling of continuous mode
+ * ti_bandgap_set_continuous_mode() - One time enabling of continuous mode
  * @bgp: pointer to struct ti_bandgap
  *
  * Call this function only if HAS(MODE_CONFIG) is set. As this driver may
@@ -1214,22 +1214,18 @@ static struct ti_bandgap *ti_bandgap_build(struct platform_device *pdev)
 	}
 
 	bgp = devm_kzalloc(&pdev->dev, sizeof(*bgp), GFP_KERNEL);
-	if (!bgp) {
-		dev_err(&pdev->dev, "Unable to allocate mem for driver ref\n");
+	if (!bgp)
 		return ERR_PTR(-ENOMEM);
-	}
 
 	of_id = of_match_device(of_ti_bandgap_match, &pdev->dev);
 	if (of_id)
 		bgp->conf = of_id->data;
 
 	/* register shadow for context save and restore */
-	bgp->regval = devm_kzalloc(&pdev->dev, sizeof(*bgp->regval) *
-				   bgp->conf->sensor_count, GFP_KERNEL);
-	if (!bgp->regval) {
-		dev_err(&pdev->dev, "Unable to allocate mem for driver ref\n");
+	bgp->regval = devm_kcalloc(&pdev->dev, bgp->conf->sensor_count,
+				   sizeof(*bgp->regval), GFP_KERNEL);
+	if (!bgp->regval)
 		return ERR_PTR(-ENOMEM);
-	}
 
 	i = 0;
 	do {