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Date:   Mon, 30 Jan 2023 11:56:54 +0100
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Rafał Miłecki <zajec5@...il.com>
Cc:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Michael Walle <michael@...le.cc>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        u-boot@...ts.denx.de,
        Rafał Miłecki <rafal@...ecki.pl>
Subject: Re: [PATCH V3 1/6] nvmem: core: add nvmem_dev_size() helper

Hi Rafał,

zajec5@...il.com wrote on Fri, 27 Jan 2023 13:57:04 +0100:

> From: Rafał Miłecki <rafal@...ecki.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@...ecki.pl>
> ---
> V2: Drop "const" from "const size_t"

It would be good if you could always add a cover-letter, just so that
we can reply to the whole series. In my case I wanted to add a global

Reviewed-by: Miquel Raynal <miquel.raynal@...tlin.com>

Because I gave this series a quick review and it looks good to me.

Thanks,
Miquèl

> ---
>  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,

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