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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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86
drivers/gpio/gpio_cmsdk_ahb.c
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@ -155,90 +155,6 @@ static int gpio_cmsdk_ahb_config(struct device *dev, int access_op,
return ret;
}
/**
* @brief Set the pin or port output
*
* @param dev Device struct
* @param access_op Access operation (pin or port)
* @param pin The pin number
* @param value Value to set (0 or 1)
*
* @return 0 if successful, failed otherwise
*/
static int gpio_cmsdk_ahb_write(struct device *dev, int access_op,
u32_t pin, u32_t value)
{
const struct gpio_cmsdk_ahb_cfg * const cfg = dev->config->config_info;
u32_t key;
switch (access_op) {
case GPIO_ACCESS_BY_PIN:
if (value) {
/*
* The irq_lock() here is required to prevent concurrent
* callers to corrupt the pin states.
*/
key = irq_lock();
/* set the pin */
cfg->port->dataout |= BIT(pin);
irq_unlock(key);
} else {
/*
* The irq_lock() here is required to prevent concurrent
* callers to corrupt the pin states.
*/
key = irq_lock();
/* clear the pin */
cfg->port->dataout &= ~(BIT(pin));
irq_unlock(key);
}
break;
case GPIO_ACCESS_BY_PORT:
if (value) {
/* set all pins */
cfg->port->dataout = 0xFFFF;
} else {
/* clear all pins */
cfg->port->dataout = 0x0;
}
break;
default:
return -ENOTSUP;
}
return 0;
}
/**
* @brief Read the pin or port status
*
* @param dev Device struct
* @param access_op Access operation (pin or port)
* @param pin The pin number
* @param value Value of input pin(s)
*
* @return 0 if successful, failed otherwise
*/
static int gpio_cmsdk_ahb_read(struct device *dev, int access_op,
u32_t pin, u32_t *value)
{
const struct gpio_cmsdk_ahb_cfg * const cfg = dev->config->config_info;
*value = cfg->port->data;
switch (access_op) {
case GPIO_ACCESS_BY_PIN:
*value = (*value >> pin) & 0x1;
break;
case GPIO_ACCESS_BY_PORT:
break;
default:
return -ENOTSUP;
}
return 0;
}
static int gpio_cmsdk_ahb_pin_interrupt_configure(struct device *dev,
unsigned int pin, enum gpio_int_mode mode,
enum gpio_int_trig trig)
@ -326,8 +242,6 @@ static int gpio_cmsdk_ahb_disable_callback(struct device *dev,
static const struct gpio_driver_api gpio_cmsdk_ahb_drv_api_funcs = {
.config = gpio_cmsdk_ahb_config,
.write = gpio_cmsdk_ahb_write,
.read = gpio_cmsdk_ahb_read,
.port_get_raw = gpio_cmsdk_ahb_port_get_raw,
.port_set_masked_raw = gpio_cmsdk_ahb_port_set_masked_raw,
.port_set_bits_raw = gpio_cmsdk_ahb_port_set_bits_raw,