Re: [PATCH v2 15/16] media: imx-pxp: Use non-threaded IRQ

Philipp Zabel
2023-01-13T11:59:32Z

On Fr, 2023-01-13 at 10:54 +0100, Michael Tretter wrote:
> From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
>
> There's no need to use threaded IRQs with the PXP, as the interrupt
> handler doesn't need to sleep and doesn't perform any time-consuming
> operation. Switch to regular IRQ handler.
>
> This fixes lockups of the PXP noticed on i.MX7, where the PXP would stop
> generating interrupts after a variable number of frames (from a few
> dozens to a few hundreds). The root cause is however unknown.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Reviewed-by: Michael Tretter <m.tretter@pengutronix.de>
> Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>

Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>

regards
Philipp