diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
index f57779fc7ee93..2be5573dce539 100644
--- a/drivers/firmware/qcom_scm.c
+++ b/drivers/firmware/qcom_scm.c
@@ -113,9 +113,6 @@ static void qcom_scm_clk_disable(void)
 	clk_disable_unprepare(__scm->bus_clk);
 }
 
-static int __qcom_scm_is_call_available(struct device *dev, u32 svc_id,
-					u32 cmd_id);
-
 enum qcom_scm_convention qcom_scm_convention;
 static bool has_queried __read_mostly;
 static DEFINE_SPINLOCK(query_lock);
@@ -219,8 +216,8 @@ static int qcom_scm_call_atomic(struct device *dev,
 	}
 }
 
-static int __qcom_scm_is_call_available(struct device *dev, u32 svc_id,
-					u32 cmd_id)
+static bool __qcom_scm_is_call_available(struct device *dev, u32 svc_id,
+					 u32 cmd_id)
 {
 	int ret;
 	struct qcom_scm_desc desc = {
@@ -247,7 +244,7 @@ static int __qcom_scm_is_call_available(struct device *dev, u32 svc_id,
 
 	ret = qcom_scm_call(dev, &desc, &res);
 
-	return ret ? : res.result[0];
+	return ret ? false : !!res.result[0];
 }
 
 /**
@@ -585,9 +582,8 @@ bool qcom_scm_pas_supported(u32 peripheral)
 	};
 	struct qcom_scm_res res;
 
-	ret = __qcom_scm_is_call_available(__scm->dev, QCOM_SCM_SVC_PIL,
-					   QCOM_SCM_PIL_PAS_IS_SUPPORTED);
-	if (ret <= 0)
+	if (!__qcom_scm_is_call_available(__scm->dev, QCOM_SCM_SVC_PIL,
+					  QCOM_SCM_PIL_PAS_IS_SUPPORTED))
 		return false;
 
 	ret = qcom_scm_call(__scm->dev, &desc, &res);
@@ -1060,17 +1056,18 @@ EXPORT_SYMBOL(qcom_scm_ice_set_key);
  */
 bool qcom_scm_hdcp_available(void)
 {
+	bool avail;
 	int ret = qcom_scm_clk_enable();
 
 	if (ret)
 		return ret;
 
-	ret = __qcom_scm_is_call_available(__scm->dev, QCOM_SCM_SVC_HDCP,
+	avail = __qcom_scm_is_call_available(__scm->dev, QCOM_SCM_SVC_HDCP,
 						QCOM_SCM_HDCP_INVOKE);
 
 	qcom_scm_clk_disable();
 
-	return ret > 0;
+	return avail;
 }
 EXPORT_SYMBOL(qcom_scm_hdcp_available);