Re: [PATCH v3 net-next] mdio_bus: Issue GPIO RESET to PHYs.
From: Andrew Lunn
Date: Thu Apr 20 2017 - 21:39:10 EST
> > + gpiod_set_value_cansleep(gpiod, 1);
> > + udelay(bus->reset_delay_us);
> > + gpiod_set_value_cansleep(gpiod, 0);
>
> Does that work even if the polarity of the reset line is active low?
Hi Florian
Yes, it does. The gpiod_ API takes care of that, if you set the flag
GPIO_ACTIVE_LOW in the device tree blob. This is one of the
improvements over the gpio_ API.
Andrew