netdev - Re: [PATCH net-next v2 2/6] net: txgbe: Implement I2C bus master driver

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Date:   Tue, 11 Apr 2023 13:08:47 +0300
From:   Jarkko Nikula <jarkko.nikula@...ux.intel.com>
To:     Jiawen Wu <jiawenwu@...stnetic.com>, netdev@...r.kernel.org,
        linux@...linux.org.uk
Cc:     linux-i2c@...r.kernel.org, linux-gpio@...r.kernel.org,
        mengyuanlou@...-swift.com
Subject: Re: [PATCH net-next v2 2/6] net: txgbe: Implement I2C bus master
 driver

Hi

On 4/11/23 12:32, Jiawen Wu wrote:
> +Cc: Jarkko Nikula <jarkko.nikula@...ux.intel.com>
> 
>> -----Original Message-----
>> From: Jiawen Wu <jiawenwu@...stnetic.com>
>> Sent: Tuesday, April 11, 2023 5:27 PM
>> To: netdev@...r.kernel.org; linux@...linux.org.uk
>> Cc: linux-i2c@...r.kernel.org; linux-gpio@...r.kernel.org;
>> mengyuanlou@...-swift.com; Jiawen Wu <jiawenwu@...stnetic.com>
>> Subject: [PATCH net-next v2 2/6] net: txgbe: Implement I2C bus master
>> driver
>>
>> Implement I2C bus driver to send and receive I2C messages.
>>
>> This I2C license the IP of Synopsys Designware, but without interrupt
>> support on the hardware design. It seems that polling mode needs to be
>> added in Synopsys Designware I2C driver. But currently it can only be
>> driven by this I2C bus master driver.
>>
>> Signed-off-by: Jiawen Wu <jiawenwu@...stnetic.com>
>> ---
>>   drivers/net/ethernet/wangxun/Kconfig          |   1 +
>>   .../net/ethernet/wangxun/txgbe/txgbe_phy.c    | 153
>> ++++++++++++++++++
>>   .../net/ethernet/wangxun/txgbe/txgbe_type.h   |  23 +++
>>   3 files changed, 177 insertions(+)
>>
Looks like your use case has similarities with the commit 17631e8ca2d3 
("i2c: designware: Add driver support for AMD NAVI GPU").