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rtc: nvmem: return error values

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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>
This commit is contained in:
Alexandre Belloni
2018-02-12 23:47:17 +01:00
parent 4cce9d3988
commit 2cc8212198
2 changed files with 13 additions and 8 deletions
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11
drivers/rtc/rtc-core.h
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@@ -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