From: Michael Tretter <m.tretter@pengutronix.de> To: linux-media@vger.kernel.org, devicetree@vger.kernel.org, Philipp Zabel <p.zabel@pengutronix.de>, Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Michael Tretter <m.tretter@pengutronix.de>, Mauro Carvalho Chehab <mchehab@kernel.org>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Fabio Estevam <festevam@gmail.com>, Alexander Stein <alexander.stein@ew.tq-group.com>, kernel@pengutronix.de, linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 15/16] media: imx-pxp: Use non-threaded IRQ Date: Fri, 13 Jan 2023 10:54:21 +0100 [thread overview] Message-ID: <20230112-imx-pxp-v2-15-e2281da1db55@pengutronix.de> (raw) In-Reply-To: <20230112-imx-pxp-v2-0-e2281da1db55@pengutronix.de> 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> --- Changes since v2: - Drop IRQF_TRIGGER_HIGH - pick from https://lore.kernel.org/linux-media/20230112172507.30579-1-laurent.pinchart@ideasonboard.com/ --- drivers/media/platform/nxp/imx-pxp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/nxp/imx-pxp.c b/drivers/media/platform/nxp/imx-pxp.c index 124d272194d1..b8a7e49cbc08 100644 --- a/drivers/media/platform/nxp/imx-pxp.c +++ b/drivers/media/platform/nxp/imx-pxp.c @@ -1798,8 +1798,8 @@ 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; -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
WARNING: multiple messages have this Message-ID (diff)
From: Michael Tretter <m.tretter@pengutronix.de> To: linux-media@vger.kernel.org, devicetree@vger.kernel.org, Philipp Zabel <p.zabel@pengutronix.de>, Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Michael Tretter <m.tretter@pengutronix.de>, Mauro Carvalho Chehab <mchehab@kernel.org>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Fabio Estevam <festevam@gmail.com>, Alexander Stein <alexander.stein@ew.tq-group.com>, kernel@pengutronix.de, linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org Subject: [PATCH v2 15/16] media: imx-pxp: Use non-threaded IRQ Date: Fri, 13 Jan 2023 10:54:21 +0100 [thread overview] Message-ID: <20230112-imx-pxp-v2-15-e2281da1db55@pengutronix.de> (raw) In-Reply-To: <20230112-imx-pxp-v2-0-e2281da1db55@pengutronix.de> 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> --- Changes since v2: - Drop IRQF_TRIGGER_HIGH - pick from https://lore.kernel.org/linux-media/20230112172507.30579-1-laurent.pinchart@ideasonboard.com/ --- drivers/media/platform/nxp/imx-pxp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/media/platform/nxp/imx-pxp.c b/drivers/media/platform/nxp/imx-pxp.c index 124d272194d1..b8a7e49cbc08 100644 --- a/drivers/media/platform/nxp/imx-pxp.c +++ b/drivers/media/platform/nxp/imx-pxp.c @@ -1798,8 +1798,8 @@ 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; -- 2.30.2
next prev parent reply other threads:[~2023-01-13 9:55 UTC|newest] Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-01-13 9:54 [PATCH v2 00/16] media: imx-pxp: add support for i.MX7D Michael Tretter 2023-01-13 9:54 ` Michael Tretter 2023-01-13 9:54 ` [PATCH v2 01/16] dt-bindings: media: fsl-pxp: convert to yaml Michael Tretter 2023-01-13 9:54 ` Michael Tretter 2023-01-13 10:41 ` Laurent Pinchart 2023-01-13 10:41 ` Laurent Pinchart 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 11:56 ` Krzysztof Kozlowski 2023-01-13 11:56 ` Krzysztof Kozlowski 2023-01-13 15:09 ` Michael Tretter 2023-01-13 15:09 ` Michael Tretter 2023-01-13 16:51 ` Krzysztof Kozlowski 2023-01-13 16:51 ` Krzysztof Kozlowski 2023-01-13 15:26 ` Rob Herring 2023-01-13 15:26 ` Rob Herring 2023-01-16 11:38 ` [PATCH v2.1 02/17] " Michael Tretter 2023-01-16 11:38 ` Michael Tretter 2023-01-16 11:59 ` Krzysztof Kozlowski 2023-01-16 11:59 ` Krzysztof Kozlowski 2023-01-16 16:11 ` Laurent Pinchart 2023-01-16 16:11 ` Laurent Pinchart 2023-01-13 9:54 ` [PATCH v2 02/16] media: imx-pxp: detect PXP version Michael Tretter 2023-01-13 9:54 ` Michael Tretter 2023-01-13 10:44 ` Laurent Pinchart 2023-01-13 10:44 ` Laurent Pinchart 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 9:54 ` [PATCH v2 03/16] media: imx-pxp: extract helper function to setup data path Michael Tretter 2023-01-13 9:54 ` Michael Tretter 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 9:54 ` [PATCH v2 04/16] media: imx-pxp: explicitly disable unused blocks Michael Tretter 2023-01-13 9:54 ` Michael Tretter 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 9:54 ` [PATCH v2 05/16] media: imx-pxp: disable LUT block Michael Tretter 2023-01-13 9:54 ` Michael Tretter 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 9:54 ` [PATCH v2 06/16] media: imx-pxp: make data_path_ctrl0 platform dependent Michael Tretter 2023-01-13 9:54 ` Michael Tretter 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 12:03 ` Laurent Pinchart 2023-01-13 12:03 ` Laurent Pinchart 2023-01-13 9:54 ` [PATCH v2 07/16] media: imx-pxp: add support for i.MX7D Michael Tretter 2023-01-13 9:54 ` Michael Tretter 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 9:54 ` [PATCH v2 08/16] ARM: dts: imx7d: add node for PXP Michael Tretter 2023-01-13 9:54 ` Michael Tretter 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 11:46 ` Philipp Zabel 2023-01-16 16:26 ` Laurent Pinchart 2023-01-16 16:26 ` Laurent Pinchart 2023-01-20 9:06 ` Michael Tretter 2023-01-20 9:06 ` Michael Tretter 2023-01-20 9:20 ` Laurent Pinchart 2023-01-20 9:20 ` Laurent Pinchart 2023-02-09 14:02 ` Michael Tretter 2023-02-09 14:02 ` Michael Tretter 2023-03-06 1:19 ` Shawn Guo 2023-03-06 1:19 ` Shawn Guo 2023-01-13 9:54 ` [PATCH v2 09/16] media: imx-pxp: Sort headers alphabetically Michael Tretter 2023-01-13 9:54 ` Michael Tretter 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 9:54 ` [PATCH v2 10/16] media: imx-pxp: Don't set bus_info manually in .querycap() Michael Tretter 2023-01-13 9:54 ` Michael Tretter 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 9:54 ` [PATCH v2 11/16] media: imx-pxp: Add media controller support Michael Tretter 2023-01-13 9:54 ` Michael Tretter 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 9:54 ` [PATCH v2 12/16] media: imx-pxp: Pass pixel format value to find_format() Michael Tretter 2023-01-13 9:54 ` Michael Tretter 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 11:46 ` Philipp Zabel 2023-01-13 9:54 ` [PATCH v2 13/16] media: imx-pxp: Implement frame size enumeration Michael Tretter 2023-01-13 9:54 ` Michael Tretter 2023-01-13 11:49 ` Philipp Zabel 2023-01-13 11:49 ` Philipp Zabel 2023-01-13 9:54 ` [PATCH v2 14/16] media: imx-pxp: Introduce pxp_read() and pxp_write() wrappers Michael Tretter 2023-01-13 9:54 ` Michael Tretter 2023-01-13 11:50 ` Philipp Zabel 2023-01-13 11:50 ` Philipp Zabel 2023-01-13 9:54 ` Michael Tretter [this message] 2023-01-13 9:54 ` [PATCH v2 15/16] media: imx-pxp: Use non-threaded IRQ Michael Tretter 2023-01-13 11:52 ` Philipp Zabel 2023-01-13 11:52 ` Philipp Zabel 2023-01-13 9:54 ` [PATCH v2 16/16] media: imx-pxp: convert to regmap Michael Tretter 2023-01-13 9:54 ` Michael Tretter 2023-01-13 11:56 ` Philipp Zabel 2023-01-13 11:56 ` Philipp Zabel 2023-01-14 21:29 ` [PATCH v2 00/16] media: imx-pxp: add support for i.MX7D Laurent Pinchart 2023-01-14 21:29 ` Laurent Pinchart
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