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gpio: remove legacy read/write API functions

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The last external reference to these was removed when the pin
write/read functions were deprecated.  Remove the syscall support, API
function table entries, and implementation from all drivers.

Signed-off-by: Peter Bigot <peter.bigot@nordicsemi.no>
This commit is contained in:
Peter Bigot 2020-01-30 09:06:37 -06:00 • committed by Carles Cufí
commit 1f9beb193f
26 changed files with 0 additions and 1210 deletions
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79
drivers/gpio/gpio_sifive.c
View file

@ -198,83 +198,6 @@ static int gpio_sifive_config(struct device *dev,
return 0;
}
/**
* @brief Set the pin
*
* @param dev Device struct
* @param access_op Access operation
* @param pin The pin number
* @param value Value to set (0 or 1)
*
* @return 0 if successful, failed otherwise
*/
static int gpio_sifive_write(struct device *dev,
int access_op,
u32_t pin,
u32_t value)
{
volatile struct gpio_sifive_t *gpio = DEV_GPIO(dev);
if (access_op != GPIO_ACCESS_BY_PIN) {
return -ENOTSUP;
}
if (pin >= SIFIVE_PINMUX_PINS)
return -EINVAL;
/* If pin is configured as input return with error */
if (gpio->in_en & BIT(pin)) {
return -EINVAL;
}
if (value) {
gpio->out_val |= BIT(pin);
} else {
gpio->out_val &= ~BIT(pin);
}
return 0;
}
/**
* @brief Read the pin
*
* @param dev Device struct
* @param access_op Access operation
* @param pin The pin number
* @param value Value of input pin(s)
*
* @return 0 if successful, failed otherwise
*/
static int gpio_sifive_read(struct device *dev,
int access_op,
u32_t pin,
u32_t *value)
{
volatile struct gpio_sifive_t *gpio = DEV_GPIO(dev);
if (access_op != GPIO_ACCESS_BY_PIN) {
return -ENOTSUP;
}
if (pin >= SIFIVE_PINMUX_PINS) {
return -EINVAL;
}
/*
* If gpio is configured as output,
* read gpio value from out_val register,
* otherwise read gpio value from in_val register
*/
if (gpio->out_en & BIT(pin)) {
*value = !!(gpio->out_val & BIT(pin));
} else {
*value = !!(gpio->in_val & BIT(pin));
}
return 0;
}
static int gpio_sifive_port_get_raw(struct device *dev,
gpio_port_value_t *value)
{
@ -439,8 +362,6 @@ static int gpio_sifive_disable_callback(struct device *dev,
static const struct gpio_driver_api gpio_sifive_driver = {
.config = gpio_sifive_config,
.write = gpio_sifive_write,
.read = gpio_sifive_read,
.port_get_raw = gpio_sifive_port_get_raw,
.port_set_masked_raw = gpio_sifive_port_set_masked_raw,
.port_set_bits_raw = gpio_sifive_port_set_bits_raw,