Messages in this thread | | | Date | Mon, 19 Sep 2016 21:18:55 +0200 | From | Sebastian Reichel <> | Subject | Re: [PATCH] power: gpio_charger: switch to using GPIO descriptors |
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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 <dbaryshkov@gmail.com> > Cc: Heiko Stuebner <heiko@sntech.de> > Cc: Lars-Peter Clausen <lars@metafoo.de> > Signed-off-by: Linus Walleij <linus.walleij@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 [unhandled content-type:application/pgp-signature] | |