linux-kernel - Re: [PATCH 4/8] i2c: sprd: Add IIC controller driver to support dynamic switching of 400K/1M/3.4M frequency

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Message-ID: <20230905231044.hz5srccpvarkygul@zenone.zhora.eu>
Date:   Wed, 6 Sep 2023 01:10:44 +0200
From:   Andi Shyti <andi.shyti@...nel.org>
To:     Chunyan Zhang <zhang.lyra@...il.com>
Cc:     Huangzheng Lai <Huangzheng.Lai@...soc.com>,
        Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang <baolin.wang@...ux.alibaba.com>,
        linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
        huangzheng lai <laihuangzheng@...il.com>,
        Xiongpeng Wu <xiongpeng.wu@...soc.com>
Subject: Re: [PATCH 4/8] i2c: sprd: Add IIC controller driver to support
 dynamic switching of 400K/1M/3.4M frequency

Hi Chunyan,

> > > >  #define SPRD_I2C_PM_TIMEOUT    1000
> > > >  /* timeout (ms) for transfer message */
> > > >  #define I2C_XFER_TIMEOUT       1000
> > > > -
> > > > +/* dynamic modify clk_freq flag  */
> > > > +#define        I2C_3M4_FLAG            0x0100
> > >
> > > #define <space> I2C_3M4_FLAG <tab> 0x0100
> > >
> > > > +#define        I2C_1M_FLAG             0x0080
> > > > +#define        I2C_400K_FLAG           0x0040
> > > > +
> > > > +#define        I2C_FREQ_400K           400000
> > > > +#define        I2C_FREQ_1M             1000000
> > > > +#define        I2C_FREQ_3_4M           3400000
> > >
> > > ditto
> 
> I meant "#define <space> I2C_FREQ_3_4M <tab> 3400000"

right! Agree with your comment!

> >
> > why should he use IIC instead of I2C. The file's defines start
> > with I2C, for consistency he should use the same prefix.
> >
> 
> Yes, I agree.

Thanks,
Andi