From 33cf42e68efc8ff529a7eee08a4f0ba8c8d0a207 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Thu, 21 Dec 2023 18:34:17 +0100 Subject: [PATCH] nvmem: core: add nvmem_dev_size() helper MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit 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 Reviewed-by: Miquel Raynal Link: https://lore.kernel.org/r/20231221173421.13737-2-zajec5@gmail.com Signed-off-by: Greg Kroah-Hartman --- 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 4ed54076346d2..980123fb4dde0 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 2d306fa13b1a8..34c0e58dfa266 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); -- 2.30.2