From: Rafał Miłecki rafal@milecki.pl
This is required by layouts that need to read whole NVMEM space. It applies to NVMEM devices without hardcoded layout (like U-Boot environment data block).
Signed-off-by: Rafał Miłecki rafal@milecki.pl --- V2: Drop "const" from "const size_t" --- drivers/nvmem/core.c | 13 +++++++++++++ include/linux/nvmem-consumer.h | 1 + 2 files changed, 14 insertions(+)
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 38a5728bc65c..9e77af0164aa 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -2063,6 +2063,19 @@ void nvmem_del_cell_lookups(struct nvmem_cell_lookup *entries, size_t nentries) } EXPORT_SYMBOL_GPL(nvmem_del_cell_lookups);
+/** + * nvmem_dev_size() - Get the size of a given nvmem device. + * + * @nvmem: nvmem device. + * + * Return: size of the nvmem device. + */ +size_t nvmem_dev_size(struct nvmem_device *nvmem) +{ + return nvmem->size; +} +EXPORT_SYMBOL_GPL(nvmem_dev_size); + /** * nvmem_dev_name() - Get the name of a given nvmem device. * diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h index fa030d93b768..c3005ab6cc4f 100644 --- a/include/linux/nvmem-consumer.h +++ b/include/linux/nvmem-consumer.h @@ -78,6 +78,7 @@ 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);
+size_t nvmem_dev_size(struct nvmem_device *nvmem); const char *nvmem_dev_name(struct nvmem_device *nvmem);
void nvmem_add_cell_lookups(struct nvmem_cell_lookup *entries,