diff options
| author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-02-12 23:47:17 +0100 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2018-02-14 20:58:13 +0100 |
| commit | 2cc8212198820487ec3fdcc7b98133701fc9dfc3 (patch) | |
| tree | e4e81b3f8b537aa7f6aa4960dae86bbe04f7dc06 /drivers/rtc | |
| parent | 4cce9d3988ae33eb53742d9648ecc59046196e6f (diff) | |
rtc: nvmem: return error values
In case of error, make rtc_nvmem_register() able to return an error value
to its caller.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/nvmem.c | 10 | ||||
| -rw-r--r-- | drivers/rtc/rtc-core.h | 11 |
2 files changed, 13 insertions, 8 deletions
diff --git a/drivers/rtc/nvmem.c b/drivers/rtc/nvmem.c index 0a3522bcdd25..293df6db7c42 100644 --- a/drivers/rtc/nvmem.c +++ b/drivers/rtc/nvmem.c @@ -84,21 +84,23 @@ static void rtc_nvram_unregister(struct rtc_device *rtc) /* * New ABI, uses nvmem */ -void rtc_nvmem_register(struct rtc_device *rtc, - struct nvmem_config *nvmem_config) +int rtc_nvmem_register(struct rtc_device *rtc, + struct nvmem_config *nvmem_config) { if (!nvmem_config) - return; + return -ENODEV; nvmem_config->dev = &rtc->dev; nvmem_config->owner = rtc->owner; rtc->nvmem = nvmem_register(nvmem_config); if (IS_ERR_OR_NULL(rtc->nvmem)) - return; + return PTR_ERR(rtc->nvmem); /* Register the old ABI */ if (rtc->nvram_old_abi) rtc_nvram_register(rtc, nvmem_config->size); + + return 0; } void rtc_nvmem_unregister(struct rtc_device *rtc) diff --git a/drivers/rtc/rtc-core.h b/drivers/rtc/rtc-core.h index 5f60e3b11cde..05a67837fd76 100644 --- a/drivers/rtc/rtc-core.h +++ b/drivers/rtc/rtc-core.h @@ -48,11 +48,14 @@ static inline const struct attribute_group **rtc_get_dev_attribute_groups(void) #endif #ifdef CONFIG_RTC_NVMEM -void rtc_nvmem_register(struct rtc_device *rtc, - struct nvmem_config *nvmem_config); +int rtc_nvmem_register(struct rtc_device *rtc, + struct nvmem_config *nvmem_config); void rtc_nvmem_unregister(struct rtc_device *rtc); #else -static inline void rtc_nvmem_register(struct rtc_device *rtc, - struct nvmem_config *nvmem_config) {} +static inline int rtc_nvmem_register(struct rtc_device *rtc, + struct nvmem_config *nvmem_config) +{ + return -ENODEV; +} static inline void rtc_nvmem_unregister(struct rtc_device *rtc) {} #endif |