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Message-Id: <20240620175657.358273-11-piotr.wojtaszczyk@timesys.com>
Date: Thu, 20 Jun 2024 19:56:41 +0200
From: Piotr Wojtaszczyk <piotr.wojtaszczyk@...esys.com>
To: Vinod Koul <vkoul@...nel.org>,
Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
"J.M.B. Downing" <jonathan.downing@...tel.com>,
Piotr Wojtaszczyk <piotr.wojtaszczyk@...esys.com>,
Vladimir Zapolskiy <vz@...ia.com>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Russell King <linux@...linux.org.uk>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Andi Shyti <andi.shyti@...nel.org>,
Miquel Raynal <miquel.raynal@...tlin.com>,
Richard Weinberger <richard@....at>,
Vignesh Raghavendra <vigneshr@...com>,
Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>,
Arnd Bergmann <arnd@...db.de>,
Yangtao Li <frank.li@...o.com>,
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Chancel Liu <chancel.liu@....com>,
Michael Ellerman <mpe@...erman.id.au>,
dmaengine@...r.kernel.org,
devicetree@...r.kernel.org,
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alsa-devel@...a-project.org,
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Cc: Markus Elfring <Markus.Elfring@....de>
Subject: [Patch v4 10/10] i2x: pnx: Use threaded irq to fix warning from del_timer_sync()
When del_timer_sync() is called in an interrupt context it throws a warning
because of potential deadlock. Threaded irq handler fixes the potential
problem.
Signed-off-by: Piotr Wojtaszczyk <piotr.wojtaszczyk@...esys.com>
---
drivers/i2c/busses/i2c-pnx.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c
index a12525b3186b..b2ab6fb168bf 100644
--- a/drivers/i2c/busses/i2c-pnx.c
+++ b/drivers/i2c/busses/i2c-pnx.c
@@ -718,8 +718,8 @@ static int i2c_pnx_probe(struct platform_device *pdev)
ret = alg_data->irq;
goto out_clock;
}
- ret = devm_request_irq(&pdev->dev, alg_data->irq, i2c_pnx_interrupt,
- 0, pdev->name, alg_data);
+ ret = devm_request_threaded_irq(&pdev->dev, alg_data->irq, NULL, i2c_pnx_interrupt,
+ IRQF_ONESHOT, pdev->name, alg_data);
if (ret)
goto out_clock;
--
2.25.1
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