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

Philipp Zabel p.zabel at pengutronix.de
Fri Jan 13 03:52:23 PST 2023


On Fr, 2023-01-13 at 10:54 +0100, Michael Tretter wrote:
> From: Laurent Pinchart <laurent.pinchart at 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 at ideasonboard.com>
> Reviewed-by: Michael Tretter <m.tretter at pengutronix.de>
> Signed-off-by: Michael Tretter <m.tretter at pengutronix.de>

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

regards
Philipp



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