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References: <20230227085914.2560984-1-arnd@kernel.org>
Subject: Re: [PATCH] clk: tegra20: fix gcc-7 constant overflow warning
From:   Stephen Boyd <sboyd@kernel.org>
Cc:     Arnd Bergmann <arnd@arndb.de>,
        Uwe =?utf-8?q?Kleine-K=C3=B6nig?= 
        <u.kleine-koenig@pengutronix.de>,
        Miaoqian Lin <linmq006@gmail.com>, linux-clk@vger.kernel.org,
        linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org
To:     Arnd Bergmann <arnd@kernel.org>,
        Jonathan Hunter <jonathanh@nvidia.com>,
        Michael Turquette <mturquette@baylibre.com>,
        Peter De Schrijver <pdeschrijver@nvidia.com>,
        Prashant Gaikwad <pgaikwad@nvidia.com>,
        Thierry Reding <thierry.reding@gmail.com>
Date:   Wed, 29 Mar 2023 15:32:29 -0700
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Precedence: bulk

Quoting Arnd Bergmann (2023-02-27 00:59:10)
> From: Arnd Bergmann <arnd@arndb.de>
>=20
> Older gcc versions get confused by comparing a u32 value to a negative
> constant in a switch()/case block:
>=20
> drivers/clk/tegra/clk-tegra20.c: In function 'tegra20_clk_measure_input_f=
req':
> drivers/clk/tegra/clk-tegra20.c:581:2: error: case label does not reduce =
to an integer constant
>   case OSC_CTRL_OSC_FREQ_12MHZ:
>   ^~~~
> drivers/clk/tegra/clk-tegra20.c:593:2: error: case label does not reduce =
to an integer constant
>   case OSC_CTRL_OSC_FREQ_26MHZ:
>=20
> Make the constants unsigned instead.
>=20
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---

Applied to clk-next