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authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2019-08-13 13:55:54 +0200
committerWolfram Sang <wsa@the-dreams.de>2019-09-04 23:13:16 +0200
commit41d529d6227c443a5827cb8b8f040402dedcf3d2 (patch)
tree9ee63f1965e1c9921eb19dc54d93a39144aaccb4 /drivers/i2c
parenti2c: stm32f7: Make structure stm32f7_i2c_algo constant (diff)
downloadlinux-41d529d6227c443a5827cb8b8f040402dedcf3d2.tar.xz
linux-41d529d6227c443a5827cb8b8f040402dedcf3d2.zip
i2c: exynos5: Remove IRQF_ONESHOT
The drivers sets IRQF_ONESHOT and passes only a primary handler. The IRQ is masked while the primary is handler is invoked independently of IRQF_ONESHOT. With IRQF_ONESHOT the core code will not force-thread the interrupt and this is probably not intended. I *assume* that the original author copied the IRQ registration from another driver which passed a primary and secondary handler and removed the secondary handler but keeping the ONESHOT flag. Remove IRQF_ONESHOT. Reported-by: Benjamin Rouxel <benjamin.rouxel@uva.nl> Tested-by: Benjamin Rouxel <benjamin.rouxel@uva.nl> Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Tested-by: Krzysztof Kozlowski <krzk@kernel.org> Acked-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-exynos5.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-exynos5.c b/drivers/i2c/busses/i2c-exynos5.c
index e4e7932f7800..e7514c16b756 100644
--- a/drivers/i2c/busses/i2c-exynos5.c
+++ b/drivers/i2c/busses/i2c-exynos5.c
@@ -791,9 +791,7 @@ static int exynos5_i2c_probe(struct platform_device *pdev)
}
ret = devm_request_irq(&pdev->dev, i2c->irq, exynos5_i2c_irq,
- IRQF_NO_SUSPEND | IRQF_ONESHOT,
- dev_name(&pdev->dev), i2c);
-
+ IRQF_NO_SUSPEND, dev_name(&pdev->dev), i2c);
if (ret != 0) {
dev_err(&pdev->dev, "cannot request HS-I2C IRQ %d\n", i2c->irq);
goto err_clk;