Re: [PATCH] staging: greybus: arche-apb-ctrl.c: Switch to the gpio descriptor interface

From: Johan Hovold
Date: Mon Nov 12 2018 - 10:17:50 EST


On Sun, Nov 11, 2018 at 11:14:14AM +0530, Nishad Kamdar wrote:
> Use the gpiod interface instead of the deprecated old non-descriptor
> interface.
>
> Signed-off-by: Nishad Kamdar <nishadkamdar@xxxxxxxxx>
> ---
> drivers/staging/greybus/arche-apb-ctrl.c | 158 ++++++++++-------------
> 1 file changed, 65 insertions(+), 93 deletions(-)

> - apb->pwrdn_gpio = of_get_named_gpio(np, "pwr-down-gpios", 0);
> - if (apb->pwrdn_gpio < 0)
> - dev_warn(dev, "failed to get power down gpio\n");
> + apb->pwrdn = devm_gpiod_get(dev, "gb,pwr-down-gpios", GPIOD_OUT_LOW);
> + if (IF_ERR(apb->pwrdn)) {

Looks like you didn't even compile test this one. :(

> + ret = PTR_ERR(apb->pwrdn);
> + dev_warn(dev, "Failed requesting power down GPIO: %d\n", ret);
> + return ret;
> + }

Johan