From: Carlos Song <carlos.song@xxxxxxx>do you mean GPIO expander which are connected to I2C?
Set IRQF_NO_SUSPEND flag when request_irq(). Some devices such
as extend GPIO will need i2c transfer during the entire system
suspend and resume period so keep it enabled.
Signed-off-by: Carlos Song <carlos.song@xxxxxxx>
Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
---
drivers/i2c/busses/i2c-imx-lpi2c.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-imx-lpi2c.c b/drivers/i2c/busses/i2c-imx-lpi2c.c
index c8f3dadfb36e..23f83f10d5f6 100644
--- a/drivers/i2c/busses/i2c-imx-lpi2c.c
+++ b/drivers/i2c/busses/i2c-imx-lpi2c.c
@@ -1309,7 +1309,7 @@ static int lpi2c_imx_probe(struct platform_device *pdev)
if (ret)
lpi2c_imx->bitrate = I2C_MAX_STANDARD_MODE_FREQ;
- ret = devm_request_irq(&pdev->dev, irq, lpi2c_imx_isr, 0,
+ ret = devm_request_irq(&pdev->dev, irq, lpi2c_imx_isr, IRQF_NO_SUSPEND,
pdev->name, lpi2c_imx);
if (ret)
return dev_err_probe(&pdev->dev, ret, "can't claim irq %d\n", irq);