[Linux-stm32] [PATCH] remoteproc: stm32_rproc: Fix mailbox interrupts queuing

[Mathieu Poirier]

On Tue, May 21, 2024 at 06:23:16PM +0200, Gwenael Treuveur wrote:
> Manage interrupt coming from coprocessor also when state is
> ATTACHED.
> 
> Fixes: 35bdafda40cc ("remoteproc: stm32_rproc: Add mutex protection for workqueue")
> Signed-off-by: Gwenael Treuveur <gwenael.treuveur at foss.st.com>
> Acked-by: Arnaud Pouliquen <arnaud.pouliquen at foss.st.com>

I will pickup this patch but this time only - next time all reviews and tagging
need to happend on the mailing list.

Mathieu

> ---
>  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)
> 
> base-commit: 4d5ba6ead1dc9fa298d727e92db40cd98564d1ac
> -- 
> 2.25.1
>