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drivers: Replace DEV_OK by 0

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This patch replaces all occurences of the macro DEV_OK by the actual
value 0 at the driver level. So this patch touch the files under
drivers/, include/ and samples/drivers/.

This patch is part of the effort to transition from DEV_* codes to
errno.h codes.

Change-Id: I69980ecb9755f2fb026de5668ae9c21a4ae62d1e
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
This commit is contained in:
Andre Guedes 2016-03-09 14:01:20 -03:00 • committed by Anas Nashif
commit 024cfe754e
71 changed files with 302 additions and 302 deletions
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22
drivers/gpio/gpio_pcal9535a.c
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@ -89,7 +89,7 @@ static inline int _has_i2c_master(struct device *dev)
* @param reg Register to read (the PORT0 of the pair of registers).
* @param buf Buffer to read data into.
*
* @return DEV_OK if successful, failed otherwise.
* @return 0 if successful, failed otherwise.
*/
static int _read_port_regs(struct device *dev, uint8_t reg,
union gpio_pcal9535a_port_data *buf)
@ -135,7 +135,7 @@ error:
* @param reg Register to write into (the PORT0 of the pair of registers).
* @param buf Buffer to write data from.
*
* @return DEV_OK if successful, failed otherwise.
* @return 0 if successful, failed otherwise.
*/
static int _write_port_regs(struct device *dev, uint8_t reg,
union gpio_pcal9535a_port_data *buf)
@ -169,7 +169,7 @@ static int _write_port_regs(struct device *dev, uint8_t reg,
* @param pin The pin number
* @param flags Flags of pin or port
*
* @return DEV_OK if successful, failed otherwise
* @return 0 if successful, failed otherwise
*/
static int _setup_pin_dir(struct device *dev, int access_op,
uint32_t pin, int flags)
@ -221,7 +221,7 @@ done:
* @param pin The pin number
* @param flags Flags of pin or port
*
* @return DEV_OK if successful, failed otherwise
* @return 0 if successful, failed otherwise
*/
static int _setup_pin_pullupdown(struct device *dev, int access_op,
uint32_t pin, int flags)
@ -314,7 +314,7 @@ done:
* @param pin The pin number
* @param flags Flags of pin or port
*
* @return DEV_OK if successful, failed otherwise
* @return 0 if successful, failed otherwise
*/
static int _setup_pin_polarity(struct device *dev, int access_op,
uint32_t pin, int flags)
@ -369,7 +369,7 @@ done:
* @param pin The pin number
* @param flags Flags of pin or port
*
* @return DEV_OK if successful, failed otherwise
* @return 0 if successful, failed otherwise
*/
static int gpio_pcal9535a_config(struct device *dev, int access_op,
uint32_t pin, int flags)
@ -419,7 +419,7 @@ done:
* @param pin The pin number
* @param value Value to set (0 or 1)
*
* @return DEV_OK if successful, failed otherwise
* @return 0 if successful, failed otherwise
*/
static int gpio_pcal9535a_write(struct device *dev, int access_op,
uint32_t pin, uint32_t value)
@ -479,7 +479,7 @@ done:
* @param pin The pin number
* @param value Value of input pin(s)
*
* @return DEV_OK if successful, failed otherwise
* @return 0 if successful, failed otherwise
*/
static int gpio_pcal9535a_read(struct device *dev, int access_op,
uint32_t pin, uint32_t *value)
@ -492,7 +492,7 @@ static int gpio_pcal9535a_read(struct device *dev, int access_op,
}
ret = _read_port_regs(dev, REG_INPUT_PORT0, &buf);
if (ret != DEV_OK) {
if (ret != 0) {
goto done;
}
@ -574,7 +574,7 @@ static struct gpio_driver_api gpio_pcal9535a_drv_api_funcs = {
* @brief Initialization function of PCAL9535A
*
* @param dev Device struct
* @return DEV_OK if successful, failed otherwise.
* @return 0 if successful, failed otherwise.
*/
int gpio_pcal9535a_init(struct device *dev)
{
@ -595,7 +595,7 @@ int gpio_pcal9535a_init(struct device *dev)
nano_timer_init(&drv_data->timer, (void *) 0);
return DEV_OK;
return 0;
}
/* Initialization for PCAL9535A_0 */