[PATCH 1/8] pinctrl: meson: remove offset from pinctrl
From: jbrunet@baylibre.com (Jerome Brunet)
Date: 2017-09-20 13:41:37
Also in:
linux-amlogic, linux-devicetree, linux-gpio, lkml
Subsystem:
arm/amlogic meson soc support, pin control subsystem, the rest · Maintainers:
Neil Armstrong, Kevin Hilman, Linus Walleij, Linus Torvalds
Offset on meson pinctrl and gpios is something that was carried from the vendor driver, where there is a weird link between the 2 controllers. Since these 2 controllers are independent, this offset adds an unnecessary complexity. This patch remove this manually set offset and rely on pinctrl to figure out the gpio base offset Tested-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> --- drivers/pinctrl/meson/pinctrl-meson.c | 18 +++--------------- drivers/pinctrl/meson/pinctrl-meson.h | 8 +++----- 2 files changed, 6 insertions(+), 20 deletions(-)
diff --git a/drivers/pinctrl/meson/pinctrl-meson.c b/drivers/pinctrl/meson/pinctrl-meson.c
index 66ed70c12733..247208150b19 100644
--- a/drivers/pinctrl/meson/pinctrl-meson.c
+++ b/drivers/pinctrl/meson/pinctrl-meson.c@@ -410,18 +410,6 @@ static const struct pinconf_ops meson_pinconf_ops = { .is_generic = true, }; -static int meson_gpio_request(struct gpio_chip *chip, unsigned gpio) -{ - return pinctrl_request_gpio(chip->base + gpio); -} - -static void meson_gpio_free(struct gpio_chip *chip, unsigned gpio) -{ - struct meson_pinctrl *pc = gpiochip_get_data(chip); - - pinctrl_free_gpio(pc->data->pin_base + gpio); -} - static int meson_gpio_direction_input(struct gpio_chip *chip, unsigned gpio) { struct meson_pinctrl *pc = gpiochip_get_data(chip);
@@ -539,13 +527,13 @@ static int meson_gpiolib_register(struct meson_pinctrl *pc) pc->chip.label = pc->data->name; pc->chip.parent = pc->dev; - pc->chip.request = meson_gpio_request; - pc->chip.free = meson_gpio_free; + pc->chip.request = gpiochip_generic_request; + pc->chip.free = gpiochip_generic_free; pc->chip.direction_input = meson_gpio_direction_input; pc->chip.direction_output = meson_gpio_direction_output; pc->chip.get = meson_gpio_get; pc->chip.set = meson_gpio_set; - pc->chip.base = pc->data->pin_base; + pc->chip.base = -1; pc->chip.ngpio = pc->data->num_pins; pc->chip.can_sleep = false; pc->chip.of_node = pc->of_node;
diff --git a/drivers/pinctrl/meson/pinctrl-meson.h b/drivers/pinctrl/meson/pinctrl-meson.h
index 890f296f5840..227b72a60c22 100644
--- a/drivers/pinctrl/meson/pinctrl-meson.h
+++ b/drivers/pinctrl/meson/pinctrl-meson.h@@ -124,8 +124,6 @@ struct meson_pinctrl { struct device_node *of_node; }; -#define PIN(x, b) (b + x) - #define GROUP(grp, r, b) \ { \ .name = #grp, \
@@ -135,10 +133,10 @@ struct meson_pinctrl { .bit = b, \ } -#define GPIO_GROUP(gpio, b) \ +#define GPIO_GROUP(gpio) \ { \ .name = #gpio, \ - .pins = (const unsigned int[]){ PIN(gpio, b) }, \ + .pins = (const unsigned int[]){ gpio }, \ .num_pins = 1, \ .is_gpio = true, \ }
@@ -166,7 +164,7 @@ struct meson_pinctrl { }, \ } -#define MESON_PIN(x, b) PINCTRL_PIN(PIN(x, b), #x) +#define MESON_PIN(x) PINCTRL_PIN(x, #x) extern struct meson_pinctrl_data meson8_cbus_pinctrl_data; extern struct meson_pinctrl_data meson8_aobus_pinctrl_data;
--
2.13.5