The i2c irq is masked when user starts an i2c transfer process
during noirq suspend stage. As a result, i2c transfer fails.
To solve the problem, IRQF_NO_SUSPEND is added to i2c bus.
Signed-off-by: Clark Wang <xiaoning.wang@xxxxxxx>
---
drivers/i2c/busses/i2c-imx.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 1ce0cf7a323f..ba49b2f7a1d1 100644
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -1510,7 +1510,8 @@ static int i2c_imx_probe(struct platform_device *pdev)
goto rpm_disable;
/* Request IRQ */
- ret = request_threaded_irq(irq, i2c_imx_isr, NULL, IRQF_SHARED,
+ ret = request_threaded_irq(irq, i2c_imx_isr, NULL,
+ IRQF_SHARED | IRQF_NO_SUSPEND,
pdev->name, i2c_imx);
if (ret) {
dev_err(&pdev->dev, "can't claim irq %d\n", irq);
--
2.34.1
