soundwire: Respect all error codes from dev_pm_domain_attach()

The limitation of being able to check only for -EPROBE_DEFER from
dev_pm_domain_attach() has been removed. Hence let's respect all error
codes and bail out accordingly.

Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Acked-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/soundwire/bus_type.c

@@ -83,17 +83,16 @@ static int sdw_drv_probe(struct device *dev)
 	 * attach to power domain but don't turn on (last arg)
 	 */
 	ret = dev_pm_domain_attach(dev, false);
-	if (ret != -EPROBE_DEFER) {
-		ret = drv->probe(slave, id);
-		if (ret) {
-			dev_err(dev, "Probe of %s failed: %d\n", drv->name, ret);
-			dev_pm_domain_detach(dev, false);
-		}
-	}
-
 	if (ret)
 		return ret;
 
+	ret = drv->probe(slave, id);
+	if (ret) {
+		dev_err(dev, "Probe of %s failed: %d\n", drv->name, ret);
+		dev_pm_domain_detach(dev, false);
+		return ret;
+	}
+
 	/* device is probed so let's read the properties now */
 	if (slave->ops && slave->ops->read_prop)
 		slave->ops->read_prop(slave);