Merge tag 'keystone-driver-soc_v2' of git://git.kernel.org/pub/scm/linux/kernel/git...

[firefly-linux-kernel-4.4.55.git] / drivers / soc / ti / knav_qmss_acc.c

diff --git a/drivers/soc/ti/knav_qmss_acc.c b/drivers/soc/ti/knav_qmss_acc.c
index ef6f69db0bd04c06caa6c1b955e3dbbebc91677a..37c4aa95492d3e8ca75d019548660747ce17fcc4 100644 (file)
--- 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)) {