5.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Gwenael Treuveur <gwenael.treuveur@xxxxxxxxxxx>
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@xxxxxxxxxxxxxxx
Signed-off-by: Gwenael Treuveur <gwenael.treuveur@xxxxxxxxxxx>
Acked-by: Arnaud Pouliquen <arnaud.pouliquen@xxxxxxxxxxx>
Link: https://lore.kernel.org/r/20240521162316.156259-1-gwenael.treuveur@xxxxxxxxxxx
Signed-off-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/remoteproc/stm32_rproc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/remoteproc/stm32_rproc.c
+++ b/drivers/remoteproc/stm32_rproc.c
@@ -293,7 +293,7 @@ static void stm32_rproc_mb_vq_work(struc
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)
