From: Rafał Miłecki rafal@milecki.pl
This is required by layouts that need to read whole NVMEM content. It's especially useful for NVMEM devices without hardcoded layout (like U-Boot environment data block).
Signed-off-by: Rafał Miłecki rafal@milecki.pl Reviewed-by: Miquel Raynal miquel.raynal@bootlin.com --- 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 4ed54076346d..980123fb4dde 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -2163,6 +2163,19 @@ const char *nvmem_dev_name(struct nvmem_device *nvmem) } EXPORT_SYMBOL_GPL(nvmem_dev_name);
+/** + * 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); + static int __init nvmem_init(void) { int ret; diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h index 2d306fa13b1a..34c0e58dfa26 100644 --- a/include/linux/nvmem-consumer.h +++ b/include/linux/nvmem-consumer.h @@ -81,6 +81,7 @@ 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); +size_t nvmem_dev_size(struct nvmem_device *nvmem);
void nvmem_add_cell_lookups(struct nvmem_cell_lookup *entries, size_t nentries);