[PATCH v2] i2c: exynos5: Preserve high speed master code

[Wolfram Sang]

On Tue, Feb 16, 2021 at 11:25:38PM +0100, Mårten Lindahl wrote:
> From: Mårten Lindahl <martenli at axis.com>
> 
> When the driver starts to send a message with the MASTER_ID field
> set (high speed), the whole I2C_ADDR register is overwritten including
> MASTER_ID as the SLV_ADDR_MAS field is set.
> 
> This patch preserves already written fields in I2C_ADDR when writing
> SLV_ADDR_MAS.
> 
> Signed-off-by: Mårten Lindahl <martenli at axis.com>

Looks good. Is there a Fixes-tag we could apply?

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