Message ID | 1389854063-31016-1-git-send-email-wens@csie.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Thu, Jan 16, 2014 at 02:34:23PM +0800, Chen-Yu Tsai wrote: > Some GPIO users, such as fixed-regulator, request GPIO output with > initial value of 1. This was ignored by sunxi driver. > > Signed-off-by: Chen-Yu Tsai <wens@csie.org> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Could you also send it to stable please? Thanks, Maxime
On Thu, Jan 16, 2014 at 7:34 AM, Chen-Yu Tsai <wens@csie.org> wrote: > Some GPIO users, such as fixed-regulator, request GPIO output with > initial value of 1. This was ignored by sunxi driver. > > Signed-off-by: Chen-Yu Tsai <wens@csie.org> > --- > > Changes since v2: > > * Set output value before setting the pin function to avoid a glitch. Patch applied with Maxime's ACK and tagged for stable. Yours, Linus Walleij
diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c index 119d2dd..6ebf306 100644 --- a/drivers/pinctrl/pinctrl-sunxi.c +++ b/drivers/pinctrl/pinctrl-sunxi.c @@ -469,12 +469,6 @@ static int sunxi_pinctrl_gpio_get(struct gpio_chip *chip, unsigned offset) return val; } -static int sunxi_pinctrl_gpio_direction_output(struct gpio_chip *chip, - unsigned offset, int value) -{ - return pinctrl_gpio_direction_output(chip->base + offset); -} - static void sunxi_pinctrl_gpio_set(struct gpio_chip *chip, unsigned offset, int value) { @@ -498,6 +492,13 @@ static void sunxi_pinctrl_gpio_set(struct gpio_chip *chip, spin_unlock_irqrestore(&pctl->lock, flags); } +static int sunxi_pinctrl_gpio_direction_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + sunxi_pinctrl_gpio_set(chip, offset, value); + return pinctrl_gpio_direction_output(chip->base + offset); +} + static int sunxi_pinctrl_gpio_of_xlate(struct gpio_chip *gc, const struct of_phandle_args *gpiospec, u32 *flags)
Some GPIO users, such as fixed-regulator, request GPIO output with initial value of 1. This was ignored by sunxi driver. Signed-off-by: Chen-Yu Tsai <wens@csie.org> --- Changes since v2: * Set output value before setting the pin function to avoid a glitch. drivers/pinctrl/pinctrl-sunxi.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-)