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drivers/gpio: Make references to driver_api const

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Change-Id: I0254a2793e0c0cd9b9146647c8d845cb7d36dd28
Signed-off-by: Marcus Shawcroft <marcus.shawcroft@arm.com>
This commit is contained in:
Marcus Shawcroft 2016-10-22 10:03:11 +01:00 • committed by Anas Nashif
commit a5e897050e
1 changed files with 12 additions and 24 deletions
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36
include/gpio.h
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@ -216,9 +216,8 @@ struct gpio_driver_api {
static inline int gpio_pin_configure(struct device *port, uint8_t pin,
int flags)
{
struct gpio_driver_api *api;
const struct gpio_driver_api *api = port->driver_api;
api = (struct gpio_driver_api *) port->driver_api;
return api->config(port, GPIO_ACCESS_BY_PIN, pin, flags);
}
@ -231,9 +230,8 @@ static inline int gpio_pin_configure(struct device *port, uint8_t pin,
static inline int gpio_pin_write(struct device *port, uint32_t pin,
uint32_t value)
{
struct gpio_driver_api *api;
const struct gpio_driver_api *api = port->driver_api;
api = (struct gpio_driver_api *) port->driver_api;
return api->write(port, GPIO_ACCESS_BY_PIN, pin, value);
}
@ -246,9 +244,8 @@ static inline int gpio_pin_write(struct device *port, uint32_t pin,
static inline int gpio_pin_read(struct device *port, uint32_t pin,
uint32_t *value)
{
struct gpio_driver_api *api;
const struct gpio_driver_api *api = port->driver_api;
api = (struct gpio_driver_api *) port->driver_api;
return api->read(port, GPIO_ACCESS_BY_PIN, pin, value);
}
@ -279,11 +276,10 @@ static inline void gpio_init_callback(struct gpio_callback *callback,
static inline int gpio_add_callback(struct device *port,
struct gpio_callback *callback)
{
struct gpio_driver_api *api;
const struct gpio_driver_api *api = port->driver_api;
__ASSERT(callback, "Callback pointer should not be NULL");
api = (struct gpio_driver_api *) port->driver_api;
return api->manage_callback(port, callback, true);
}
@ -298,11 +294,10 @@ static inline int gpio_add_callback(struct device *port,
static inline int gpio_remove_callback(struct device *port,
struct gpio_callback *callback)
{
struct gpio_driver_api *api;
const struct gpio_driver_api *api = port->driver_api;
__ASSERT(callback, "Callback pointer should not be NULL");
api = (struct gpio_driver_api *) port->driver_api;
return api->manage_callback(port, callback, false);
}
@ -317,9 +312,8 @@ static inline int gpio_remove_callback(struct device *port,
*/
static inline int gpio_pin_enable_callback(struct device *port, uint32_t pin)
{
struct gpio_driver_api *api;
const struct gpio_driver_api *api = port->driver_api;
api = (struct gpio_driver_api *) port->driver_api;
return api->enable_callback(port, GPIO_ACCESS_BY_PIN, pin);
}
@ -330,9 +324,8 @@ static inline int gpio_pin_enable_callback(struct device *port, uint32_t pin)
*/
static inline int gpio_pin_disable_callback(struct device *port, uint32_t pin)
{
struct gpio_driver_api *api;
const struct gpio_driver_api *api = port->driver_api;
api = (struct gpio_driver_api *) port->driver_api;
return api->disable_callback(port, GPIO_ACCESS_BY_PIN, pin);
}
@ -345,9 +338,8 @@ static inline int gpio_pin_disable_callback(struct device *port, uint32_t pin)
*/
static inline int gpio_port_configure(struct device *port, int flags)
{
struct gpio_driver_api *api;
const struct gpio_driver_api *api = port->driver_api;
api = (struct gpio_driver_api *) port->driver_api;
return api->config(port, GPIO_ACCESS_BY_PORT, 0, flags);
}
@ -358,9 +350,8 @@ static inline int gpio_port_configure(struct device *port, int flags)
*/
static inline int gpio_port_write(struct device *port, uint32_t value)
{
struct gpio_driver_api *api;
const struct gpio_driver_api *api = port->driver_api;
api = (struct gpio_driver_api *) port->driver_api;
return api->write(port, GPIO_ACCESS_BY_PORT, 0, value);
}
@ -371,9 +362,8 @@ static inline int gpio_port_write(struct device *port, uint32_t value)
*/
static inline int gpio_port_read(struct device *port, uint32_t *value)
{
struct gpio_driver_api *api;
const struct gpio_driver_api *api = port->driver_api;
api = (struct gpio_driver_api *) port->driver_api;
return api->read(port, GPIO_ACCESS_BY_PORT, 0, value);
}
@ -388,9 +378,8 @@ static inline int gpio_port_read(struct device *port, uint32_t *value)
*/
static inline int gpio_port_enable_callback(struct device *port)
{
struct gpio_driver_api *api;
const struct gpio_driver_api *api = port->driver_api;
api = (struct gpio_driver_api *) port->driver_api;
return api->enable_callback(port, GPIO_ACCESS_BY_PORT, 0);
}
@ -400,9 +389,8 @@ static inline int gpio_port_enable_callback(struct device *port)
*/
static inline int gpio_port_disable_callback(struct device *port)
{
struct gpio_driver_api *api;
const struct gpio_driver_api *api = port->driver_api;
api = (struct gpio_driver_api *) port->driver_api;
return api->disable_callback(port, GPIO_ACCESS_BY_PORT, 0);
}