diff options
| author |  Leilei Shang <shangll@marvell.com>
| 2015-07-14 13:06:40 +0530 |
|---|---|---|
| committer |  Wolfram Sang <wsa@the-dreams.de>
| 2015-08-10 08:37:29 +0200 |
| commit | abf8a1fba9a48535595857ed46ad642272eea05c (patch) | |
| tree | 30c7959e92f623f749b9e8e3d9f70795b13d4b2f /drivers/i2c | |
| parent | i2c: emev2: add driver (diff) | |
| download | linux-abf8a1fba9a48535595857ed46ad642272eea05c.tar.gz linux-abf8a1fba9a48535595857ed46ad642272eea05c.tar.bz2 linux-abf8a1fba9a48535595857ed46ad642272eea05c.zip | |
i2c: pxa: keep i2c irq ON in suspend
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>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-pxa.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c index d9c0d6a17ad6..f4ac8c595a45 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; } |