linux-kernel - Re: [PATCH v7 2/7] i2c: mediatek: Reset the handshake signal between i2c and dma

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Date:   Fri, 8 Oct 2021 14:19:17 +0800
From:   Kewei Xu <kewei.xu@...iatek.com>
To:     Wolfram Sang <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>,
        <qii.wang@...iatek.com>, <liguo.zhang@...iatek.com>,
        <caiyu.chen@...iatek.com>, <ot_daolong.zhu@...iatek.com>,
        <yuhan.wei@...iatek.com>
Subject: Re: [PATCH v7 2/7] i2c: mediatek: Reset the handshake signal
 between i2c and dma

On Sat, 2021-10-02 at 08:30 +0200, Wolfram Sang wrote:
> > +#define I2C_CLR_DEBUGCTR		0x0000
> 
> Hmm, I don't think that a macro to clear a register helps
> readability...
> 
> > +		mtk_i2c_writew(i2c, I2C_CLR_DEBUGCTR,
> > OFFSET_DEBUGCTRL);
> 
> ..
> 
>  +		mtk_i2c_writew(i2c, 0, OFFSET_DEBUGCTRL);
> 
> looks good to me. Anyhow, it is not a big issue. Let me know if you
> want
> to change it or keep it.
> 
OK, I will use 0x00 instead of macro on V8 version,Thanks.