linux-kernel - Re: [PATCH v2] nvmem: core: add NVMEM

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Message-ID: <20190416110144.GS2654@lahna.fi.intel.com>
Date:   Tue, 16 Apr 2019 14:01:44 +0300
From:   Mika Westerberg <mika.westerberg@...ux.intel.com>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc:     gregkh@...uxfoundation.org, maxime.ripard@...tlin.com,
        gkohli@...eaurora.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] nvmem: core: add NVMEM_SYSFS Kconfig

On Tue, Apr 16, 2019 at 10:59:24AM +0100, 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.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>

Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>