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nvmem: provide nvmem_dev_name()

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Kernel users don't have any means of checking the names of nvmem
devices. Add a routine that returns the name of the nvmem provider.

This will be useful for future nvmem notifier subscribers - otherwise
they can't check what device is being added/removed.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bartosz Golaszewski 2018-09-21 06:40:03 -07:00 • committed by Greg Kroah-Hartman
parent 96d08fb43e
commit d7b9fd1669
2 changed files with 21 additions and 0 deletions
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8
include/linux/nvmem-consumer.h
View file

@ -55,6 +55,8 @@ ssize_t nvmem_device_cell_read(struct nvmem_device *nvmem,
int nvmem_device_cell_write(struct nvmem_device *nvmem,
struct nvmem_cell_info *info, void *buf);
const char *nvmem_dev_name(struct nvmem_device *nvmem);
#else
static inline struct nvmem_cell *nvmem_cell_get(struct device *dev,
@ -143,6 +145,12 @@ static inline int nvmem_device_write(struct nvmem_device *nvmem,
{
return -ENOSYS;
}
static inline const char *nvmem_dev_name(struct nvmem_device *nvmem)
{
return NULL;
}
#endif /* CONFIG_NVMEM */
#if IS_ENABLED(CONFIG_NVMEM) && IS_ENABLED(CONFIG_OF)