diff options
Diffstat (limited to 'drivers/remoteproc/stm32_rproc.c')
| -rw-r--r-- | drivers/remoteproc/stm32_rproc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c index 23c1690b8d73..8746cbb1f168 100644 --- a/drivers/remoteproc/stm32_rproc.c +++ b/drivers/remoteproc/stm32_rproc.c @@ -291,8 +291,16 @@ static void stm32_rproc_mb_vq_work(struct work_struct *work) struct stm32_mbox *mb = container_of(work, struct stm32_mbox, vq_work); struct rproc *rproc = dev_get_drvdata(mb->client.dev); + mutex_lock(&rproc->lock); + + if (rproc->state != RPROC_RUNNING) + goto unlock_mutex; + if (rproc_vq_interrupt(rproc, mb->vq_id) == IRQ_NONE) dev_dbg(&rproc->dev, "no message found in vq%d\n", mb->vq_id); + +unlock_mutex: + mutex_unlock(&rproc->lock); } static void stm32_rproc_mb_callback(struct mbox_client *cl, void *data) |