These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / soc / ti / knav_qmss_acc.c

diff --git a/kernel/drivers/soc/ti/knav_qmss_acc.c b/kernel/drivers/soc/ti/knav_qmss_acc.c
index ef6f69d..d2d48f2 100644 (file)
--- a/kernel/drivers/soc/ti/knav_qmss_acc.c
+++ b/kernel/drivers/soc/ti/knav_qmss_acc.c
@@ -261,6 +261,10 @@ static int knav_range_setup_acc_irq(struct knav_range_info *range,
        if (old && !new) {
                dev_dbg(kdev->dev, "setup-acc-irq: freeing %s for channel %s\n",
                        acc->name, acc->name);
+               ret = irq_set_affinity_hint(irq, NULL);
+               if (ret)
+                       dev_warn(range->kdev->dev,
+                                "Failed to set IRQ affinity\n");
                free_irq(irq, range);
        }
 
@@ -482,8 +486,8 @@ 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 +530,12 @@ 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)) {