linux-kernel - Re: [PATCH v5 3/6] nvmem: core: Add stub for nvmem_cell_read

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Date:   Mon, 24 Jul 2023 18:06:15 +0530
From:   Mukesh Ojha <quic_mojha@...cinc.com>
To:     Komal Bajaj <quic_kbajaj@...cinc.com>, <agross@...nel.org>,
        <andersson@...nel.org>, <konrad.dybcio@...aro.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <conor+dt@...nel.org>, <srinivas.kandagatla@...aro.org>
CC:     <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v5 3/6] nvmem: core: Add stub for nvmem_cell_read_u8



On 7/24/2023 2:11 PM, Komal Bajaj wrote:
> This change add the stub function for nvmem_cell_read_u8.

"Add the stub nvmem_cell_read_u8() function for drivers running with
CONFIG_NVMEM disabled"

-Mukesh

> This will be helpful when a driver uses this function and



-Mukesh

> CONFIG_NVMEM is not enabled.
> 
> Signed-off-by: Komal Bajaj <quic_kbajaj@...cinc.com>
> ---
>   include/linux/nvmem-consumer.h | 6 ++++++
>   1 file changed, 6 insertions(+)
> 
> diff --git a/include/linux/nvmem-consumer.h b/include/linux/nvmem-consumer.h
> index fa030d93b768..5c88635d4c2b 100644
> --- a/include/linux/nvmem-consumer.h
> +++ b/include/linux/nvmem-consumer.h
> @@ -125,6 +125,12 @@ static inline int nvmem_cell_write(struct nvmem_cell *cell,
>   	return -EOPNOTSUPP;
>   }
>   
> +static inline int nvmem_cell_read_u8(struct device *dev,
> +				     const char *cell_id, u8 *val)
> +{
> +	return -EOPNOTSUPP;
> +}
> +
>   static inline int nvmem_cell_read_u16(struct device *dev,
>   				      const char *cell_id, u16 *val)
>   {