linux-kernel - Re: [PATCH v10,1/1] i2c: mediatek: modify bus speed calculation formula

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Message-ID: <fda2da75dfb55c7349b8283ae7bf0260c71c4cc3.camel@mediatek.com>
Date:   Mon, 28 Feb 2022 14:31:41 +0800
From:   Qii Wang <qii.wang@...iatek.com>
To:     Kewei Xu <kewei.xu@...iatek.com>, <wsa@...-dreams.de>
CC:     <matthias.bgg@...il.com>, <robh+dt@...nel.org>,
        <linux-i2c@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        <srv_heupstream@...iatek.com>, <leilk.liu@...iatek.com>,
        <liguo.zhang@...iatek.com>, <caiyu.chen@...iatek.com>,
        <housong.zhang@...iatek.com>, <yuhan.wei@...iatek.com>,
        <ryan-jh.yu@...iatek.com>, <david-yh.chiu@...iatek.com>
Subject: Re: [PATCH v10,1/1] i2c: mediatek: modify bus speed calculation
 formula

On Thu, 2022-02-17 at 20:22 +0800, Kewei Xu wrote:
> When clock-div is 0 or greater than 1, the bus speed
> calculated by the old speed calculation formula will be
> larger than the target speed. So we update the formula.
> 
> Signed-off-by: Kewei Xu <kewei.xu@...iatek.com>
> Reviewed-by: AngeloGioacchino Del Regno <
> angelogioacchino.delregno@...labora.com>

Reviewed-by: Qii Wang <qii.wang@...iatek.com>

> ---
>  drivers/i2c/busses/i2c-mt65xx.c | 51
> +++++++++++++++++++++++++++++++++--------
>  1 file changed, 41 insertions(+), 10 deletions(-)
>