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[v2.1,7/7] media: imx-pxp: Use non-threaded IRQ

Message ID 20230112204852.16282-1-laurent.pinchart@ideasonboard.com
State Superseded
Headers show
Series None | expand

Commit Message

Laurent Pinchart Jan. 12, 2023, 8:48 p.m. UTC 
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>
---
Changes since v2:

- Drop IRQF_TRIGGER_HIGH
---
 drivers/media/platform/nxp/imx-pxp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/media/platform/nxp/imx-pxp.c b/drivers/media/platform/nxp/imx-pxp.c
index aaafaf37439c..e18cfbb6e721 100644
--- a/drivers/media/platform/nxp/imx-pxp.c
+++ b/drivers/media/platform/nxp/imx-pxp.c
@@ -1812,8 +1812,8 @@  static int pxp_probe(struct platform_device *pdev)
 
 	spin_lock_init(&dev->irqlock);
 
-	ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, pxp_irq_handler,
-			IRQF_ONESHOT, dev_name(&pdev->dev), dev);
+	ret = devm_request_irq(&pdev->dev, irq, pxp_irq_handler, 0,
+			       dev_name(&pdev->dev), dev);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to request irq: %d\n", ret);
 		return ret;