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charset="utf-8" Only write new message to the tx mbox queue if slot is available. If queue is full, then do not send new mbox notification. Signed-off-by: Tanmay Shah --- drivers/remoteproc/xlnx_r5_remoteproc.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/remoteproc/xlnx_r5_remoteproc.c b/drivers/remoteproc/x= lnx_r5_remoteproc.c index 109831c5815c..46c20b603bc7 100644 --- a/drivers/remoteproc/xlnx_r5_remoteproc.c +++ b/drivers/remoteproc/xlnx_r5_remoteproc.c @@ -9,6 +9,7 @@ #include #include #include +#include #include #include #include @@ -341,7 +342,11 @@ static void zynqmp_r5_rproc_kick(struct rproc *rproc, = int vqid) int ret; =20 ipi =3D r5_core->ipi; - if (!ipi) + if (!ipi || !ipi->tx_chan) + return; + + /* Do not need new kick as already many kicks are pending. */ + if (ipi->tx_chan->cl->tx_slots_avail_ro =3D=3D 0) return; =20 mb_msg =3D (struct zynqmp_ipi_message *)ipi->tx_mc_buf; --=20 2.34.1