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arch/arm/src/nrf52: nrf52_wdt_initialize() should return a success/fail indication.

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This commit is contained in:
Gregory Nutt 2018-04-20 09:13:37 -06:00
parent 677be2f437
commit 901d20e64b
3 changed files with 11 additions and 8 deletions
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1
arch/arm/src/nrf52/Make.defs
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@ -104,4 +104,3 @@ endif
ifeq ($(CONFIG_NRF52_WDT),y)
CHIP_CSRCS += nrf52_wdt.c
endif

11
arch/arm/src/nrf52/nrf52_wdt.c
View File

@ -482,14 +482,16 @@ static int nrf52_settimeout(FAR struct watchdog_lowerhalf_s *lower,
* /dev/watchdog0
*
* Returned Values:
* None
* Zero (OK) is returned on success; a negated errno value is returned on
* any failure.
*
****************************************************************************/
void nrf52_wdt_initialize(FAR const char *devpath, int16_t mode_sleep,
int16_t mode_halt)
int nrf52_wdt_initialize(FAR const char *devpath, int16_t mode_sleep,
int16_t mode_halt)
{
FAR struct nrf52_wdg_lowerhalf_s *priv = &g_wdgdev;
FAR void *handle;
wdinfo("Entry: devpath=%s, mode_sleep=%d, mode_halt=%d\n", devpath,
mode_sleep, mode_halt);
@ -515,7 +517,8 @@ void nrf52_wdt_initialize(FAR const char *devpath, int16_t mode_sleep,
/* Register the watchdog driver as /dev/watchdog0 */
(void)watchdog_register(devpath, (FAR struct watchdog_lowerhalf_s *)priv);
handle = watchdog_register(devpath, (FAR struct watchdog_lowerhalf_s *)priv);
return (handle != NULL) ? OK : -ENODEV;
}
#endif /* CONFIG_WATCHDOG && CONFIG_nrf52_IWDT */

7
arch/arm/src/nrf52/nrf52_wdt.h
View File

@ -89,13 +89,14 @@ enum wdg_behaviour_e
* debugger
*
* Returned Values:
* None
* Zero (OK) is returned on success; a negated errno value is returned on
* any failure.
*
****************************************************************************/
#ifdef CONFIG_NRF52_WDT
void nrf52_wdg_initialize(FAR const char *devpath, int16_t behaviour_sleep,
int16_t behaviour_halt);
int nrf52_wdg_initialize(FAR const char *devpath, int16_t behaviour_sleep,
int16_t behaviour_halt);
#endif
#undef EXTERN