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MLK-10893: i2c: imx: add irqf_no_suspend

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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>
This commit is contained in:
gaopan
2015-05-12 18:25:29 +08:00
committed by Jason Liu
parent 9080424134
commit cd1d9c7aa6
1 changed files with 2 additions and 1 deletions
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3
drivers/i2c/busses/i2c-imx.c
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@ -1099,7 +1099,8 @@ static int i2c_imx_probe(struct platform_device *pdev)
}
/* Request IRQ */
ret = devm_request_irq(&pdev->dev, irq, i2c_imx_isr, IRQF_SHARED,
ret = devm_request_irq(&pdev->dev, irq, i2c_imx_isr,
IRQF_SHARED | IRQF_NO_SUSPEND,
pdev->name, i2c_imx);
if (ret) {
dev_err(&pdev->dev, "can't claim irq %d\n", irq);