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i2c: pxa: keep i2c irq ON in suspend

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During suspend there may still be some i2c access happening, as the
interrupt is shared between multiple drivers.
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: Raul Xiong <xjian@marvell.com>
Signed-off-by: Xiaofan Tian <tianxf@marvell.com>
[vaibhav.hiremath@linaro.org: updated Changelog]
Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath@linaro.org>
Cc: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Leilei Shang 2015-07-14 13:06:40 +05:30 committed by Wolfram Sang
parent 5faf6e1f58
commit abf8a1fba9
1 changed files with 3 additions and 2 deletions
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5
drivers/i2c/busses/i2c-pxa.c
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@ -1232,8 +1232,9 @@ static int i2c_pxa_probe(struct platform_device *dev)
i2c->adap.algo = &i2c_pxa_pio_algorithm;
} else {
i2c->adap.algo = &i2c_pxa_algorithm;
ret = request_irq(irq, i2c_pxa_handler, IRQF_SHARED,
dev_name(&dev->dev), i2c);
ret = request_irq(irq, i2c_pxa_handler,
IRQF_SHARED | IRQF_NO_SUSPEND,
dev_name(&dev->dev), i2c);
if (ret)
goto ereqirq;
}