[PATCH-v3 01/11] i2c: pxa: keep i2c irq ON in suspend

[Vaibhav Hiremath]

From: Leilei Shang <shangll at marvell.com>

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 at marvell.com>
Signed-off-by: Xiaofan Tian <tianxf at marvell.com>
[vaibhav.hiremath at linaro.org: updated Changelog]
Signed-off-by: Vaibhav Hiremath <vaibhav.hiremath at linaro.org>
Cc: Wolfram Sang <wsa at the-dreams.de>
---
 drivers/i2c/busses/i2c-pxa.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index d9c0d6a..f4ac8c5 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -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;
 	}
-- 
1.9.1