MLK-10893: i2c: imx: add irqf_no_suspend

The i2c irq is masked when pcie starts a 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: Gao Pan <b54642@freescale.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
(cherrt picked from commit: ab13b0e11c50021905de00a0f3c0df7e0a36a3f0)

diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c
index 47fc1f1..d8ad358 100644 (file)
--- a/drivers/i2c/busses/i2c-imx.c
+++ b/drivers/i2c/busses/i2c-imx.c
@@ -1100,8 +1100,8 @@ static int i2c_imx_probe(struct platform_device *pdev)
        }
 
        /* Request IRQ */
-       ret = devm_request_irq(&pdev->dev, irq, i2c_imx_isr, 0,
-                               pdev->name, i2c_imx);
+       ret = devm_request_irq(&pdev->dev, irq, i2c_imx_isr,
+                              IRQF_NO_SUSPEND, pdev->name, i2c_imx);
        if (ret) {
                dev_err(&pdev->dev, "can't claim irq %d\n", irq);
                goto clk_disable;