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From: Stephen Boyd <sboyd@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>
Cc: "Arnd Bergmann" <arnd@arndb.de>,
	"Uwe Kleine-König" <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
Subject: Re: [PATCH] clk: tegra20: fix gcc-7 constant overflow warning
Date: Wed, 29 Mar 2023 15:32:29 -0700	[thread overview]
Message-ID: <c9bfdce3487b195acc752fb9625c4dd3.sboyd@kernel.org> (raw)
In-Reply-To: <20230227085914.2560984-1-arnd@kernel.org>

Quoting Arnd Bergmann (2023-02-27 00:59:10)
> From: Arnd Bergmann <arnd@arndb.de>
> 
> Older gcc versions get confused by comparing a u32 value to a negative
> constant in a switch()/case block:
> 
> drivers/clk/tegra/clk-tegra20.c: In function 'tegra20_clk_measure_input_freq':
> 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:
> 
> Make the constants unsigned instead.
> 
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---

Applied to clk-next

      reply	other threads:[~2023-03-29 22:32 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-27  8:59 [PATCH] clk: tegra20: fix gcc-7 constant overflow warning Arnd Bergmann
2023-03-29 22:32 ` Stephen Boyd [this message]

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