Hi Linus,

On Fri, Sep 09, 2016 at 01:40:04PM +0200, Linus Walleij wrote:
> The GPIO charger is using a mix of the legacy GPIO interface
> and <linux/of_gpio.h> which is not the modern way to use GPIOs.
> 
> Refactor like this:
> 
> - Use a GPIO descriptor for the GPIO line used to monitor the
>   charger.
> - Fetch the descriptor with devm_gpiod_get() as the first
>   method.
> - If this fails and we are *not* using device tree, then
>   start looking to see if we can use platform data instead.
> - After looking up and requesting a GPIO number with the
>   legacy API, convert it to a descriptor.
> 
> This way we can later isolate and drop the legacy code as
> more platforms move over to using descriptors.
>
> Cc: Dmitry Eremin-Solenikov <dbarysh...@gmail.com>
> Cc: Heiko Stuebner <he...@sntech.de>
> Cc: Lars-Peter Clausen <l...@metafoo.de>
> Signed-off-by: Linus Walleij <linus.wall...@linaro.org>
> ---
> I would be very happy if some people can test this. I think
> only the chromebook use it from device tree, but I'm equally
> interested in the legacy usecase to work as nice as before.

Since this is not tested on any hardware and we're already
at rc7, I would prefer to take this after the merge window.
Any reason this should go into v4.9?

>  drivers/power/gpio-charger.c | 84 
> ++++++++++++++++++++++++++------------------
>  1 file changed, 50 insertions(+), 34 deletions(-)

This is obviously not based on power-supply's next branch, since
I moved all drivers to drivers/power/supply.

-- Sebastian

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