linux-kernel - Re: [PATCH] regulator: Fix return type of of_map

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Message-ID: <20180417171358.GJ8973@sirena.org.uk>
Date:   Tue, 17 Apr 2018 18:13:58 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Douglas Anderson <dianders@...omium.org>
Cc:     David Collins <collinsd@...eaurora.org>, evgreen@...omium.org,
        swboyd@...omium.org,
        Javier Martinez Canillas <javier@...hile0.org>,
        linux-kernel@...r.kernel.org, Liam Girdwood <lgirdwood@...il.com>,
        Tony Lindgren <tony@...mide.com>, linux-omap@...r.kernel.org
Subject: Re: [PATCH] regulator: Fix return type of of_map_mode()

On Tue, Apr 17, 2018 at 10:12:04AM -0700, Douglas Anderson wrote:
> In of_get_regulation_constraints() it can clearly be seen that the
> return value of of_map_mode() is assigned to a signed integer.  This
> is important because the first thing the regulator core does with this
> value is to compare it to -EINVAL.

Hrm, so how does the compiler manage to not warn about this?

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