Thread (6 messages) 6 messages, 2 authors, 2026-01-20

Re: [PATCH] spi: rockchip: Use plain request_irq()

From: Shawn Lin <shawn.lin@rock-chips.com>
Date: 2026-01-16 15:35:07
Also in: linux-rockchip, linux-spi, lkml

在 2026/01/16 星期五 21:23, Mark Brown 写道:
The Rockchip driver has since interrupt support was added used
request_threaded_irq() but not actually supplied a threaded handler,
handling everything in the primary handler.  This is equivalent to just
using a plain request_irq(), and since aef30c8d569c (genirq: Warn about
using IRQF_ONESHOT without a threaded handler) the current behaviour has
triggered a WARN_ON().  Convert to use request_irq().
Is it preferred to use threaded version if latency is not a critical
concern ? I guess the original intention was to use

ret = devm_request_threaded_irq(&pdev->dev, ret, NULL, rockchip_spi_isr,
IRQF_ONESHOT, dev_name(&pdev->dev), ctlr); ?

quoted hunk ↗ jump to hunk
Reported-by: Aishwarya TCV <redacted>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
  drivers/spi/spi-rockchip.c | 4 ++--
  1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c
index 1a6381de6f33..62e1bc08c940 100644
--- a/drivers/spi/spi-rockchip.c
+++ b/drivers/spi/spi-rockchip.c
@@ -805,8 +805,8 @@ static int rockchip_spi_probe(struct platform_device *pdev)
  	if (ret < 0)
  		goto err_put_ctlr;
  
-	ret = devm_request_threaded_irq(&pdev->dev, ret, rockchip_spi_isr, NULL,
-					IRQF_ONESHOT, dev_name(&pdev->dev), ctlr);
+	ret = devm_request_irq(&pdev->dev, ret, rockchip_spi_isr, 0,
+			       dev_name(&pdev->dev), ctlr);
  	if (ret)
  		goto err_put_ctlr;
  
---
base-commit: 0f61b1860cc3f52aef9036d7235ed1f017632193
change-id: 20260115-spi-rockchip-threaded-irq-b1641d0d3919

Best regards,
--
Mark Brown [off-list ref]


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