summaryrefslogtreecommitdiff
path: root/net/qrtr/mhi.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/qrtr/mhi.c')
-rw-r--r--net/qrtr/mhi.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/net/qrtr/mhi.c b/net/qrtr/mhi.c
index fa611678af05..1dc955ca57d3 100644
--- a/net/qrtr/mhi.c
+++ b/net/qrtr/mhi.c
@@ -15,6 +15,7 @@ struct qrtr_mhi_dev {
struct qrtr_endpoint ep;
struct mhi_device *mhi_dev;
struct device *dev;
+ struct completion ready;
};
/* From MHI to QRTR */
@@ -50,6 +51,10 @@ static int qcom_mhi_qrtr_send(struct qrtr_endpoint *ep, struct sk_buff *skb)
struct qrtr_mhi_dev *qdev = container_of(ep, struct qrtr_mhi_dev, ep);
int rc;
+ rc = wait_for_completion_interruptible(&qdev->ready);
+ if (rc)
+ goto free_skb;
+
if (skb->sk)
sock_hold(skb->sk);
@@ -79,7 +84,7 @@ static int qcom_mhi_qrtr_probe(struct mhi_device *mhi_dev,
int rc;
/* start channels */
- rc = mhi_prepare_for_transfer(mhi_dev);
+ rc = mhi_prepare_for_transfer(mhi_dev, 0);
if (rc)
return rc;
@@ -96,6 +101,15 @@ static int qcom_mhi_qrtr_probe(struct mhi_device *mhi_dev,
if (rc)
return rc;
+ /* start channels */
+ rc = mhi_prepare_for_transfer(mhi_dev, MHI_CH_INBOUND_ALLOC_BUFS);
+ if (rc) {
+ qrtr_endpoint_unregister(&qdev->ep);
+ dev_set_drvdata(&mhi_dev->dev, NULL);
+ return rc;
+ }
+
+ complete_all(&qdev->ready);
dev_dbg(qdev->dev, "Qualcomm MHI QRTR driver probed\n");
return 0;