On Sat, Sep 29, 2012 at 01:31:52PM +0000, Zhang, Rui wrote:
>
> > > +{
> > > + acpi_handle handle = DEVICE_ACPI_HANDLE(dev);
> >
> > If the device is not bound to an ACPI handle this will return NULL. And
> > I don't see you doing that in this series meaning that..
> >
>
>
> You're right, I should set pdev->archdata.acpi_handle to the I2C
> controller in i2c_root.c.
There already is an API for that - check drivers/acpi/glue.c.
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