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From: Dinh Nguyen <dinguyen@kernel.org>
To: Thorsten Blum <thorsten.blum@linux.dev>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
	linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RESEND PATCH] clk: socfpga: stratix10: Optimize local variables
Date: Wed, 19 Feb 2025 06:42:55 -0600	[thread overview]
Message-ID: <5d96608a-8ed6-4b23-a725-ba7a8476a1c5@kernel.org> (raw)
In-Reply-To: <20250219104435.1525-2-thorsten.blum@linux.dev>

On 2/19/25 04:44, Thorsten Blum wrote:
> Since readl() returns a u32, the local variable reg can also have the
> data type u32. Furthermore, mdiv and refdiv are derived from reg and can
> also be a u32.
> 
> Since do_div() casts the divisor to u32 anyway, changing the data type
> of refdiv to u32 removes the following Coccinelle/coccicheck warning
> reported by do_div.cocci:
> 
>    WARNING: do_div() does a 64-by-32 division, please consider using div64_ul instead
> 
> Compile-tested only.
> 
> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
> Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
> ---
>   drivers/clk/socfpga/clk-pll-s10.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
> 

Applied!

Thanks,
Dinh


      reply	other threads:[~2025-02-19 12:42 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-19 10:44 Thorsten Blum
2025-02-19 12:42 ` Dinh Nguyen [this message]

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