linux-kernel - Re: [PATCH v8 2/7] nvmem: add driver for JZ4780 efuse

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Message-ID: <e1c70dc7-05e4-ce64-d683-04aa7fc37e82@linaro.org>
Date:   Thu, 5 Mar 2020 17:53:09 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     "H. Nikolaus Schaller" <hns@...delico.com>,
        PrasannaKumar Muralidharan <prasannatsmkumar@...il.com>,
        Andreas Kemnade <andreas@...nade.info>,
        Paul Cercueil <paul@...pouillou.net>,
        Mathieu Malaterre <malat@...ian.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <paulburton@...nel.org>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Andi Kleen <ak@...ux.intel.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-mips@...r.kernel.org, letux-kernel@...nphoenux.org,
        kernel@...a-handheld.com
Subject: Re: [PATCH v8 2/7] nvmem: add driver for JZ4780 efuse



On 28/02/2020 16:00, H. Nikolaus Schaller wrote:
> From: PrasannaKumar Muralidharan <prasannatsmkumar@...il.com>
> 
> This patch brings support for the JZ4780 efuse. Currently it only exposes
> a read only access to the entire 8K bits efuse memory and nvmem cells.
> 
> To fetch for example the MAC address:
> 
> dd if=/sys/devices/platform/134100d0.efuse/jz4780-efuse0/nvmem bs=1 skip=34 count=6 status=none | xxd
> 
> Tested-by: Mathieu Malaterre <malat@...ian.org>
> Signed-off-by: PrasannaKumar Muralidharan <prasannatsmkumar@...il.com>
> Signed-off-by: Mathieu Malaterre <malat@...ian.org>
> Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>
> Signed-off-by: Paul Cercueil <paul@...pouillou.net>
> ---
>   drivers/nvmem/Kconfig        |  12 ++
>   drivers/nvmem/Makefile       |   2 +
>   drivers/nvmem/jz4780-efuse.c | 239 +++++++++++++++++++++++++++++++++++

Applied thanks,
--srini