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Date:   Fri, 24 Sep 2021 09:52:12 -0700
From:   Jakub Kicinski <kuba@kernel.org>
To:     <min.li.xe@renesas.com>
Cc:     <richardcochran@gmail.com>, <netdev@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <lee.jones@linaro.org>
Subject: Re: [PATCH net-next v2] ptp: clockmatrix: use rsmu driver to access
 i2c/spi bus
Message-ID: <20210924095212.44e90704@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
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On Fri, 24 Sep 2021 11:18:22 -0400 min.li.xe@renesas.com wrote:
> +		return 18 * (u64)NSEC_PER_SEC / fodFreq;

This one is 64b as well.