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| author |   Sibi Sankar <sibis@codeaurora.org> | 2021-06-16 23:12:58 +0530 |
|---|---|---|
| committer |   Jassi Brar <jaswinder.singh@linaro.org> | 2021-06-26 11:40:29 -0500 |
| commit | d6fbfdbc12745ce24bcd348dbf7e652353b3e59c (patch) | |
| tree | 9379e91a03d182fadd0d07ca105bce7bf7ae9996 /drivers/mailbox | |
| parent | mailbox: mtk-cmdq: Add struct cmdq_pkt in struct cmdq_cb_data (diff) | |
| download | linux-dev-d6fbfdbc12745ce24bcd348dbf7e652353b3e59c.tar.xz linux-dev-d6fbfdbc12745ce24bcd348dbf7e652353b3e59c.zip | |
mailbox: qcom-ipcc: Fix IPCC mbox channel exhaustion
Fix IPCC (Inter-Processor Communication Controller) channel exhaustion by
setting the channel private data to NULL on mbox shutdown.
Err Logs:
remoteproc: MBA booted without debug policy, loading mpss
remoteproc: glink-edge: failed to acquire IPC channel
remoteproc: failed to probe subdevices for remoteproc: -16
Fixes: fa74a0257f45 ("mailbox: Add support for Qualcomm IPCC")
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Cc: stable@vger.kernel.org
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Diffstat (limited to 'drivers/mailbox')
| -rw-r--r-- | drivers/mailbox/qcom-ipcc.c | 6 |
1 files 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) |