X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fsoc%2Fti%2Fknav_qmss_acc.c;h=37c4aa95492d3e8ca75d019548660747ce17fcc4;hb=cfd96d3e74f72fff552fd996634bdf3497a8acc9;hp=ef6f69db0bd04c06caa6c1b955e3dbbebc91677a;hpb=7dac5cb1bc8c4bc420f0cafd9c42d693eadfdd7e;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/soc/ti/knav_qmss_acc.c b/drivers/soc/ti/knav_qmss_acc.c
index ef6f69db0bd0..37c4aa95492d 100644
--- a/drivers/soc/ti/knav_qmss_acc.c
+++ b/drivers/soc/ti/knav_qmss_acc.c
@@ -482,8 +482,8 @@ struct knav_range_ops knav_acc_range_ops = {
  * Return 0 on success or error
  */
 int knav_init_acc_range(struct knav_device *kdev,
-				struct device_node *node,
-				struct knav_range_info *range)
+			struct device_node *node,
+			struct knav_range_info *range)
 {
 	struct knav_acc_channel *acc;
 	struct knav_pdsp_info *pdsp;
@@ -526,6 +526,12 @@ int knav_init_acc_range(struct knav_device *kdev,
 		return -EINVAL;
 	}
 
+	if (!pdsp->started) {
+		dev_err(kdev->dev, "pdsp id %d not started for range %s\n",
+			info->pdsp_id, range->name);
+		return -ENODEV;
+	}
+
 	info->pdsp = pdsp;
 	channels = range->num_queues;
 	if (of_get_property(node, "multi-queue", NULL)) {