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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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10
drivers/rtc/nvmem.c
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@@ -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)