mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-12 05:24:12 +08:00
6746bc095b
Some users check the return value of devm_rtc_nvmem_register() only in order to emit an error message and then continue probing. This is fine as an rtc can function without exposing nvmem but let's generalize it: let's make the registration function emit the error message so that users don't have to. Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20201109163409.24301-7-brgl@bgdev.pl
31 lines
703 B
C
31 lines
703 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* RTC subsystem, nvmem interface
|
|
*
|
|
* Copyright (C) 2017 Alexandre Belloni
|
|
*/
|
|
|
|
#include <linux/err.h>
|
|
#include <linux/types.h>
|
|
#include <linux/nvmem-consumer.h>
|
|
#include <linux/rtc.h>
|
|
|
|
int devm_rtc_nvmem_register(struct rtc_device *rtc,
|
|
struct nvmem_config *nvmem_config)
|
|
{
|
|
struct device *dev = rtc->dev.parent;
|
|
struct nvmem_device *nvmem;
|
|
|
|
if (!nvmem_config)
|
|
return -ENODEV;
|
|
|
|
nvmem_config->dev = dev;
|
|
nvmem_config->owner = rtc->owner;
|
|
nvmem = devm_nvmem_register(dev, nvmem_config);
|
|
if (IS_ERR(nvmem))
|
|
dev_err(dev, "failed to register nvmem device for RTC\n");
|
|
|
|
return PTR_ERR_OR_ZERO(nvmem);
|
|
}
|
|
EXPORT_SYMBOL_GPL(devm_rtc_nvmem_register);
|