linux-kernel - Re: [RESEND, 4/4] i2c: mpc: always determine I2C clock prescaler at runtime

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Date:   Sat, 30 Dec 2017 19:14:46 +0100
From:   Wolfram Sang <wsa@...-dreams.de>
To:     Arseny Solokha <asolokha@...kras.ru>
Cc:     linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
        Valentin Longchamp <valentin.longchamp@...mile.com>
Subject: Re: [RESEND, 4/4] i2c: mpc: always determine I2C clock prescaler at
 runtime


>  static const struct of_device_id mpc_i2c_of_match[] = {
>  	{.compatible = "mpc5200-i2c", .data = &mpc_i2c_data_52xx, },
>  	{.compatible = "fsl,mpc5200b-i2c", .data = &mpc_i2c_data_52xx, },
>  	{.compatible = "fsl,mpc5200-i2c", .data = &mpc_i2c_data_52xx, },
>  	{.compatible = "fsl,mpc5121-i2c", .data = &mpc_i2c_data_512x, },
> -	{.compatible = "fsl,mpc8313-i2c", .data = &mpc_i2c_data_8313, },
> -	{.compatible = "fsl,mpc8543-i2c", .data = &mpc_i2c_data_8543, },
> -	{.compatible = "fsl,mpc8544-i2c", .data = &mpc_i2c_data_8544, },

We can't remove compatibles. It may break DTBs. We can change the data
pointer, though.


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