linux-kernel - Re: [RFC PATCH 0/1] Verify if register is writeable before a write operation

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Message-ID: <20190402090601.GB2059@sirena.org.uk>
Date:   Tue, 2 Apr 2019 16:06:01 +0700
From:   Mark Brown <broonie@...nel.org>
To:     Han Nandor <nandor.han@...sala.com>
Cc:     "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "rafael@...nel.org" <rafael@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RFC PATCH 0/1] Verify if register is writeable before a write
 operation

On Tue, Apr 02, 2019 at 08:01:21AM +0000, Han Nandor wrote:
> Description
> -----------
> This is an RFC because I don't know if this is a bug or a normal use
> case. It seems that the function `_regmap_raw_write_impl` from the regmap
> framework verifies that a register is writable only using
> the callback function, ignoring the other two (max allowed register,
> register ranges)

Please don't send cover letters for single patches, if there is anything
that needs saying put it in the changelog of the patch or after the ---
if it's administrative stuff.  This reduces mail volume and ensures that 
any important information is recorded in the changelog rather than being
lost. 

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