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| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2018-06-27 21:42:26 -0700 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2018-06-29 07:04:47 +0200 |
| commit | 8905d0f1a4cd2d15b7aeb585f8cf39137b1b9b03 (patch) | |
| tree | 8e07e76de64a0103c8980b37d31aa4df84f1abed /include | |
| parent | 97f22548a8e887f163af7dc1598cbc8d0f85f0da (diff) | |
| download | barebox-8905d0f1a4cd2d15b7aeb585f8cf39137b1b9b03.tar.gz barebox-8905d0f1a4cd2d15b7aeb585f8cf39137b1b9b03.tar.xz | |
nvmem: Introduce nvmem_cell_get_and_read()
Introduce nvmem_cell_get_and_read() that combines getting a NVMEM cell
by name and reading its contents.
Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/nvmem-consumer.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h index 606cadb498..0ec2f05b97 100644 --- a/include/linux/nvmem-consumer.h +++ b/include/linux/nvmem-consumer.h @@ -32,6 +32,9 @@ struct nvmem_cell_info { struct nvmem_cell *nvmem_cell_get(struct device_d *dev, const char *name); void nvmem_cell_put(struct nvmem_cell *cell); void *nvmem_cell_read(struct nvmem_cell *cell, size_t *len); +void *nvmem_cell_get_and_read(struct device_node *np, const char *cell_name, + size_t bytes); + int nvmem_cell_write(struct nvmem_cell *cell, void *buf, size_t len); /* direct nvmem device read/write interface */ @@ -55,6 +58,13 @@ static inline char *nvmem_cell_read(struct nvmem_cell *cell, size_t *len) return ERR_PTR(-ENOSYS); } +static inline void *nvmem_cell_get_and_read(struct device_node *np, + const char *cell_name, + size_t bytes) +{ + return ERR_PTR(-ENOSYS); +} + static inline int nvmem_cell_write(struct nvmem_cell *cell, const char *buf, size_t len) { |