linux-kernel - Re: [PATCH] spmi: regmap: enable userspace writes

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Message-ID: <20160929180016.6tk24tltbzplzlpp@sirena.org.uk>
Date:   Thu, 29 Sep 2016 11:00:16 -0700
From:   Mark Brown <broonie@...nel.org>
To:     Kiran Gunda <kgunda@...eaurora.org>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        linux-kernel@...r.kernel.org, sboyd@...eaurora.org,
        aghayal@....qualcomm.com, adharmap@...eaurora.org
Subject: Re: [PATCH] spmi: regmap: enable userspace writes

On Thu, Sep 29, 2016 at 05:06:26PM +0530, Kiran Gunda wrote:

> -#undef REGMAP_ALLOW_WRITE_DEBUGFS
> +#define REGMAP_ALLOW_WRITE_DEBUGFS

This is completely inappropriate for upstream, if you need to do
debugging on your platform you can enable this locally but enabling
random writes from userspace to any regmap device is really not a good
idea for system stablity or robustness.

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