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authorChen-Yu Tsai <wens@csie.org>2014-01-16 14:34:23 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-02-06 11:08:15 -0800
commit215c54fe95ceadac56295019895688dd18f3d120 (patch)
treef235102ae565a0ad8ce7466da6436ae7ad37f754
parent0ac9f15fbe599024fa3523c3083add257f53c849 (diff)
downloadlinux-linaro-stable-215c54fe95ceadac56295019895688dd18f3d120.tar.gz
pinctrl: sunxi: Honor GPIO output initial vaules
commit fa8cf57c923e86a693a85aff1df579245a27cbb3 upstream. 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> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/pinctrl/pinctrl-sunxi.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c
index b7d8c890514c..876d7cc4d8a7 100644
--- a/drivers/pinctrl/pinctrl-sunxi.c
+++ b/drivers/pinctrl/pinctrl-sunxi.c
@@ -1754,12 +1754,6 @@ 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)
{
@@ -1770,6 +1764,13 @@ static void sunxi_pinctrl_gpio_set(struct gpio_chip *chip,
writel((value & DATA_PINS_MASK) << index, pctl->membase + reg);
}
+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)