6.10-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 @@ -294,7 +294,7 @@ 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)