Received: by 2002:a25:4158:0:0:0:0:0 with SMTP id o85csp4003254yba; Wed, 17 Apr 2019 02:28:01 -0700 (PDT) X-Google-Smtp-Source: APXvYqxE173Wl6Mrwmsfh0CrHEjfqEqCA3v4uHEJ+fm0oIA6pKnCjxh0eT0LqLdVWY+xw1FwaRgB X-Received: by 2002:a65:51c8:: with SMTP id i8mr81602357pgq.175.1555493281387; Wed, 17 Apr 2019 02:28:01 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1555493281; cv=none; d=google.com; s=arc-20160816; b=ypyXdJp2GHOEs+vFxQdrtRfMmF/0VNohGm6LiCWMP6JQU/MIJXsiktk1Q5KXN7li91 R4UynOAYdP+WE305Ci4oVVBow23iWgHSKEo7W/76a8/F8KU3TZfWh4ZMBD68LJ71fmh3 4xJpxjCK4669/TUhL6E7+HkOgVNNdfNkHPdCxEFZzUu7lQSVK9s6jb5wdqsDFJsV5zF3 qxmkpdbqIXBY7US8v+vsCgt27w9RYY4CzOYEbQtR+FhKbaerQA+myzdIz5hBPuIUYiFO 4gOqhYAwwLfACVDeXrgkLK7FxmIdHcHQLEZCj8gswXy/IkTCXsB/VXiVPte4nArkxJGg SgsA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:cc:references:to:subject; bh=fDX8rA8NGzKo9mKAm7KjzMxQkxRSDsCEieQX0QbnvBo=; b=Vf+54Q/Dq+JYiy74E0YuJAaoKDgS6yibfLdarMyQK3WWo0C9OwfEgXL8gQcsGWLJTE a6D2y7Wnx5BuJs1qKyFGG2A9AiJbOvpc/FaKqnYEjw85DdV90e0whtvt1xK/w5XEFge2 Tg/QCVMQB2lYG9IMWCylI1uL/SYbQasBh+9q5fvce2HNrCI26WJTEglvwatOfQleO3XA OOBxfJFz57V+w1u3MuYrvt4J9rWNEtOZTYq+038xI5M97wj2KMjyBehK4jhyb2T0zLD8 zoiZhfhjn8va/Sh6CM8zdQCPX621qIGDbZAL54cqx6sVdNURO4kyx3unHvVyKBjlroQw vEzw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id m79si53595264pfi.81.2019.04.17.02.27.46; Wed, 17 Apr 2019 02:28:01 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731454AbfDQJ0f (ORCPT + 99 others); Wed, 17 Apr 2019 05:26:35 -0400 Received: from ns.iliad.fr ([212.27.33.1]:34348 "EHLO ns.iliad.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727177AbfDQJ0f (ORCPT ); Wed, 17 Apr 2019 05:26:35 -0400 Received: from ns.iliad.fr (localhost [127.0.0.1]) by ns.iliad.fr (Postfix) with ESMTP id 9BF9B20581; Wed, 17 Apr 2019 11:26:33 +0200 (CEST) Received: from [192.168.108.49] (freebox.vlq16.iliad.fr [213.36.7.13]) by ns.iliad.fr (Postfix) with ESMTP id 8B00920080; Wed, 17 Apr 2019 11:26:33 +0200 (CEST) Subject: Re: [PATCH v2] nvmem: core: add NVMEM_SYSFS Kconfig To: Srinivas Kandagatla , Greg Kroah-Hartman References: <20190416095924.17428-1-srinivas.kandagatla@linaro.org> Cc: LKML From: Marc Gonzalez Message-ID: <92f2d6fc-3710-1ae9-a392-1e812246b5f0@free.fr> Date: Wed, 17 Apr 2019 11:26:33 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <20190416095924.17428-1-srinivas.kandagatla@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV using ClamSMTP ; ns.iliad.fr ; Wed Apr 17 11:26:33 2019 +0200 (CEST) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 16/04/2019 11:59, Srinivas Kandagatla wrote: > Many nvmem providers are not very keen on having default sysfs > nvmem entry, as most of the usecases for them are inside kernel > itself. And in some cases read/writes to some areas in nvmem are > restricted and trapped at secure monitor level, so accessing them > from userspace would result in board reboots. > > This patch adds new NVMEM_SYSFS Kconfig to make binary sysfs entry > an optional one. This provision will give more flexibility to users. > This patch also moves existing sysfs code to a new file so that its > not compiled in when its not really required. "it's" ;-) Regards.