[PATCH v2 02/11] drivercore: Bind/unbind power domain on probe/remove

[Philipp Zabel]

Hi Tomasz,

On Mon, Mar 3, 2014 at 5:02 PM, Tomasz Figa <tomasz.figa at gmail.com> wrote:
> On a number of platforms, devices are part of controllable power
> domains, which need to be enabled before such devices can be accessed
> and may be powered down when the device is idle to save some power.
> This means that on systems that support power domain control using
> generic power domains subsystem, it is necessary to add device to its
> power domain before binding a driver to it and remove it from its power
> domain after its driver is unbound to make sure that an unused device
> does not affect power domain state.
>
> Since this is not limited to particular busses and specific
> archs/platforms, it is more convenient to do the above directly in
> driver core, just as done with pinctrl default configuration. This patch
> adds necessary code to really_probe() and __device_release_driver() to
> achieve this and maintain consistent stack-like ordering of operations
> happening when binding and unbinding a driver.
>
> Signed-off-by: Tomasz Figa <tomasz.figa at gmail.com>

patches 01 and 02
Reviewed-by: Philipp Zabel <philipp.zabel at gmail.com>
Tested-by: Philipp Zabel <philipp.zabel at gmail.com>
on i.MX6 GK802.

regards
Philipp