From 3a18cb4c711f97af16979f1df8f738f8ff9c1a18 Mon Sep 17 00:00:00 2001 From: Gwenael Treuveur Date: Tue, 21 May 2024 18:23:16 +0200 Subject: [PATCH] remoteproc: stm32_rproc: Fix mailbox interrupts queuing commit c3281abea67c9c0dc6219bbc41d1feae05a16da3 upstream. Manage interrupt coming from coprocessor also when state is ATTACHED. Fixes: 35bdafda40cc ("remoteproc: stm32_rproc: Add mutex protection for workqueue") Cc: stable@vger.kernel.org Signed-off-by: Gwenael Treuveur Acked-by: Arnaud Pouliquen Link: https://lore.kernel.org/r/20240521162316.156259-1-gwenael.treuveur@foss.st.com Signed-off-by: Mathieu Poirier Signed-off-by: Greg Kroah-Hartman --- drivers/remoteproc/stm32_rproc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c index 88623df7d0c3..8c7f7950b80e 100644 --- a/drivers/remoteproc/stm32_rproc.c +++ b/drivers/remoteproc/stm32_rproc.c @@ -294,7 +294,7 @@ static void stm32_rproc_mb_vq_work(struct work_struct *work) mutex_lock(&rproc->lock); - if (rproc->state != RPROC_RUNNING) + if (rproc->state != RPROC_RUNNING && rproc->state != RPROC_ATTACHED) goto unlock_mutex; if (rproc_vq_interrupt(rproc, mb->vq_id) == IRQ_NONE)