From: Stephen Boyd <sboyd@kernel.org>
To: avifishman70@gmail.com, cgel.zte@gmail.com
Cc: benjaminfair@google.com, linux-clk@vger.kernel.org,
linux-kernel@vger.kernel.org, mturquette@baylibre.com,
openbmc@lists.ozlabs.org, tali.perry1@gmail.com,
tmaimon77@gmail.com, venture@google.com, yuenn@google.com,
zealci@zte.com.cn, cgel.zte@gmail.com,
deng.changcheng@zte.com.cn
Subject: Re: [PATCH v2] clk: Use div64_ul instead of do_div
Date: Thu, 02 Dec 2021 15:15:14 -0800 [thread overview]
Message-ID: <20211202231515.F410CC00446@smtp.kernel.org> (raw)
In-Reply-To: <20211118082858.165538-1-deng.changcheng@zte.com.cn>
Please fix the subject. It should be "clk: npcm7xx: Use ..."
Quoting cgel.zte@gmail.com (2021-11-18 00:28:58)
> From: Changcheng Deng <deng.changcheng@zte.com.cn>
>
> do_div() does a 64-by-32 division. Here the divisor is an unsigned long
> which on some platforms is 64 bit wide. So use div64_ul instead of do_div
> to avoid a possible truncation.
>
> Reported-by: Zeal Robot <zealci@zte.com.cn>
> Signed-off-by: Changcheng Deng <deng.changcheng@zte.com.cn>
prev parent reply other threads:[~2021-12-02 23:15 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-17 1:12 [PATCH] clk: Use div64_ul instead of do_div cgel.zte
2021-11-18 8:28 ` [PATCH v2] " cgel.zte
2021-12-02 23:15 ` Stephen Boyd [this message]
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