tjh.dev / kernel
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remoteproc: stm32_rproc: Fix mailbox interrupts queuing

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.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>

authored by Gwenael Treuveur and committed by Mathieu Poirier c3281abe f720fa01

+1 -1
unified split
+1 -1
drivers/remoteproc/stm32_rproc.c
··· 294 295 mutex_lock(&rproc->lock); 296 297 - if (rproc->state != RPROC_RUNNING) 298 goto unlock_mutex; 299 300 if (rproc_vq_interrupt(rproc, mb->vq_id) == IRQ_NONE)
··· 294 295 mutex_lock(&rproc->lock); 296 297 + if (rproc->state != RPROC_RUNNING && rproc->state != RPROC_ATTACHED) 298 goto unlock_mutex; 299 300 if (rproc_vq_interrupt(rproc, mb->vq_id) == IRQ_NONE)