[i2c] [PATCH V6] I2C driver for IMX

[Ben Dooks]

On Thu, Jun 12, 2008 at 03:16:27PM +0300, Darius wrote:
> >> +static struct platform_driver i2c_imx_driver = {
> >> +	.probe	= i2c_imx_probe,
> >> +	.remove	= i2c_imx_remove,
> >> +	.driver	= {
> >> +		.name	= DRIVER_NAME,
> >> +		.owner	= THIS_MODULE,
> >> +	}
> >> +};
> > 
> > No suspend/resume support? See above note on ordering.
> > 
> 
> There are nothing to do in suspend/resume routines, because no possibility to turn off I2C clock.
> I2C module itself is disabled every time when data is not transmited.
> Seems, that there are only few I2C drivers (at91, blackfin, pnx) with suspend/resume suport.
> Most drivers has not suspend/resume support.

It depends, does the hardware keep the peripheral state during
suspend?

> Should I declare empty suspend/resume routines with return 0; only?

No, the system ignores NULL suspend/resume entries.
 
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-- 
Ben (ben at fluff.org, http://www.fluff.org/)

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