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Date:   Fri, 5 Aug 2022 11:57:42 +0200
From:   Rasmus Villemoes <>
To:     Nikita Shubin <>
Cc:, Nikita Shubin <>,
        Andrew Lunn <>,
        Heiner Kallweit <>,
        Russell King <>,
        "David S. Miller" <>,
        Eric Dumazet <>,
        Jakub Kicinski <>,
        Paolo Abeni <>,,
Subject: Re: [PATCH] net: phy: dp83867: fix get nvmem cell fail

On 05/08/2022 10.48, Nikita Shubin wrote:
> From: Nikita Shubin <>
> If CONFIG_NVMEM is not set of_nvmem_cell_get, of_nvmem_device_get
> functions will return ERR_PTR(-EOPNOTSUPP) and "failed to get nvmem
> cell io_impedance_ctrl" error would be reported despite "io_impedance_ctrl"
> is completely missing in Device Tree and we should use default values.
> Check -EOPNOTSUPP togather with -ENOENT to avoid this situation.

Ah, sorry about that, and thanks for catching.

Acked-by: Rasmus Villemoes <>

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