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
prev parent 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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