VisionFive2 Linux kernel

StarFive Tech Linux Kernel for VisionFive (JH7110) boards (mirror)

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author: Sibi Sankar <sibis@codeaurora.org> 2021-06-16 23:12:58 +0530 committer: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2021-07-14 17:07:49 +0200 commit: 2f2d7dc088c37ffa857fd83d13ac27eda74b5fc5 parent: 610de611adaeea765857985f72278e58f7fe061b
Commit Summary:
mailbox: qcom-ipcc: Fix IPCC mbox channel exhaustion
Diffstat:
1 file changed, 6 insertions, 0 deletions
diff --git a/drivers/mailbox/qcom-ipcc.c b/drivers/mailbox/qcom-ipcc.c
index 2d13c72944c6..584700cd1585 100644
--- a/drivers/mailbox/qcom-ipcc.c
+++ b/drivers/mailbox/qcom-ipcc.c
@@ -155,6 +155,11 @@ static int qcom_ipcc_mbox_send_data(struct mbox_chan *chan, void *data)
 	return 0;
 }
 
+static void qcom_ipcc_mbox_shutdown(struct mbox_chan *chan)
+{
+	chan->con_priv = NULL;
+}
+
 static struct mbox_chan *qcom_ipcc_mbox_xlate(struct mbox_controller *mbox,
 					const struct of_phandle_args *ph)
 {
@@ -184,6 +189,7 @@ static struct mbox_chan *qcom_ipcc_mbox_xlate(struct mbox_controller *mbox,
 
 static const struct mbox_chan_ops ipcc_mbox_chan_ops = {
 	.send_data = qcom_ipcc_mbox_send_data,
+	.shutdown = qcom_ipcc_mbox_shutdown,
 };
 
 static int qcom_ipcc_setup_mbox(struct qcom_ipcc *ipcc)