On Mon, Sep 19, 2016 at 9:18 PM, Sebastian Reichel <s...@kernel.org> wrote:
> 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?

No, there is no hurry.

>>  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.

I will rebase and resend after v4.9-rc1 then.

Linus Walleij

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