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SubjectRe: [PATCH v6 2/4] pps: descriptor-based gpio, capture-clear addition
Quoting Philipp Zabel <>:

> On Tue, Nov 13, 2018 at 5:08 AM Tom Burkart <> wrote:
>> This patch changes the GPIO access for the pps-gpio driver from the
>> integer based API to the descriptor based API. It also adds
>> documentation for the device tree capture-clear option and
>> device tree capture-clear extraction.
>> The change from integer based GPIO API to the descriptor based API
>> breaks backward compatibility for the devicetree. This is due to
>> the descriptor based API appending "-gpio" or "-gpios" (see
>> Documentation/gpio/base.txt.)
> Documentation/devicetree/bindings/gpio/gpio.txt says:
> "While a non-existent <name> is considered valid
> for compatibility reasons (resolving to the "gpios" property),
> it is not allowed for new bindings."
> This is not a new binding, so there should be no reason to change it.
> gpiod_get() and friends support this by using the "gpios" property if
> they are passed a NULL con_id.
> of_find_gpio() in drivers/gpio/gpiolib-of.c contains the relevant code.

Hi Phillip,

Oops, sounds like I didn't read the documentation properly. Thanks
for the clarification.
A new patch will be on its way shortly...


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