5.15-stable review patch. If anyone has any objections, please let me know.
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From: Gwenael Treuveur gwenael.treuveur@foss.st.com
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 gwenael.treuveur@foss.st.com Acked-by: Arnaud Pouliquen arnaud.pouliquen@foss.st.com Link: https://lore.kernel.org/r/20240521162316.156259-1-gwenael.treuveur@foss.st.c... Signed-off-by: Mathieu Poirier mathieu.poirier@linaro.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- 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)