Hello Geert,
On Mon, Mar 20, 2017 at 10:56:14AM +0100, Geert Uytterhoeven wrote:
> Documentation/gpio/consumer.txt rightfully sates:
> | Note that gpio_get*_optional() functions (and their managed variants),
> unlike
> | the rest of gpiolib API, also return NULL when gpiolib support is disabled.
> | This is helpful to driver authors, since they do not need to special case
> | -ENOSYS return codes. System integrators should however be careful to
> enable
> | gpiolib on systems that need it.
I cannot find this paragraph in Documentation/gpio/consumer.txt:
$ git grep -e 'ENOSYS' v4.11-rc3 -- Documentation/gpio/
<void>
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
