[Patch v4 10/10] i2x: pnx: Use threaded irq to fix warning from del_timer_sync()

Piotr Wojtaszczyk piotr.wojtaszczyk at timesys.com
Thu Jun 20 10:56:41 PDT 2024


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 at timesys.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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