On Wed, Feb 12, 2014 at 4:50 AM, David Daney <ddaney.c...@gmail.com> wrote: > From: David Daney <david.da...@cavium.com> > > Just as gpiod_get() automatically interprets the OF_GPIO_ACTIVE_LOW > flag from the device tree, add handling for OF_GPIO_OPEN_DRAIN and > OF_GPIO_OPEN_SOURCE. > > This keeps the details of handling open-drain GPIOs in the core GPIO > code, and out of the individual drivers. > > Signed-off-by: David Daney <david.da...@cavium.com> > --- > drivers/gpio/gpiolib.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c > index 50c4922..7f596d0 100644 > --- a/drivers/gpio/gpiolib.c > +++ b/drivers/gpio/gpiolib.c > @@ -2307,6 +2307,12 @@ static struct gpio_desc *of_find_gpio(struct device > *dev, const char *con_id, > if (of_flags & OF_GPIO_ACTIVE_LOW) > *flags |= GPIO_ACTIVE_LOW; > > + if (of_flags & OF_GPIO_OPEN_DRAIN) > + *flags |= GPIO_OPEN_DRAIN; > + > + if (of_flags & OF_GPIO_OPEN_SOURCE) > + *flags |= GPIO_OPEN_SOURCE; > + > return desc; > }
Reviewed-by: Alexandre Courbot <acour...@nvidia.com> Thanks for taking the time to do this! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
