[PATCH] i2c: rk3x: keep i2c irq ON in suspend
From: David Wu <hidden>
Date: 2016-12-05 10:08:46
Also in:
linux-arm-kernel, linux-i2c, linux-rockchip, lkml
Subsystem:
arm/rockchip soc support, i2c subsystem, i2c subsystem host drivers, the rest · Maintainers:
Heiko Stuebner, Andi Shyti, Linus Torvalds
During suspend there may still be some i2c access happening. And if we don't keep i2c irq ON, there may be i2c access timeout if i2c is in irq mode of operation. Signed-off-by: David Wu <redacted> --- drivers/i2c/busses/i2c-rk3x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index df22066..67af32a 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c@@ -1261,7 +1261,7 @@ static int rk3x_i2c_probe(struct platform_device *pdev) } ret = devm_request_irq(&pdev->dev, irq, rk3x_i2c_irq, - 0, dev_name(&pdev->dev), i2c); + IRQF_NO_SUSPEND, dev_name(&pdev->dev), i2c); if (ret < 0) { dev_err(&pdev->dev, "cannot request IRQ\n"); return ret;
--
1.9.1