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SubjectRe: [PATCH 1/6] nvmem: core: add nvmem_dev_size() helper
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On 10.01.23 11:54, Rafał Miłecki wrote:
> 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>
> ---
> 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 1f05f0a50d86..81743ae8793b 100644
> --- a/drivers/nvmem/core.c
> +++ b/drivers/nvmem/core.c
> @@ -2062,6 +2062,19 @@ 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.
> + */
> +const size_t nvmem_dev_size(struct nvmem_device *nvmem)

The const here is quite unusual. You can make the parameter
a const struct nvmem_device though.

> +{
> + 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..d88294ddf562 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);
>
> +const 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,

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