diff --git a/drivers/soundwire/stream.c b/drivers/soundwire/stream.c
index 7aa4900dcf31..f275143d7b18 100644
--- a/drivers/soundwire/stream.c
+++ b/drivers/soundwire/stream.c
@@ -1291,18 +1291,18 @@ struct sdw_dpn_prop *sdw_get_slave_dpn_prop(struct sdw_slave *slave,
 					    unsigned int port_num)
 {
 	struct sdw_dpn_prop *dpn_prop;
-	u8 num_ports;
+	unsigned long mask;
 	int i;
 
 	if (direction == SDW_DATA_DIR_TX) {
-		num_ports = hweight32(slave->prop.source_ports);
+		mask = slave->prop.source_ports;
 		dpn_prop = slave->prop.src_dpn_prop;
 	} else {
-		num_ports = hweight32(slave->prop.sink_ports);
+		mask = slave->prop.sink_ports;
 		dpn_prop = slave->prop.sink_dpn_prop;
 	}
 
-	for (i = 0; i < num_ports; i++) {
+	for_each_set_bit(i, &mask, 32) {
 		if (dpn_prop[i].num == port_num)
 			return &dpn_prop[i];
 	}