linux-kernel - Re: [PATCH v2] i2c: exynos5: Preserve high speed master code

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Date:   Fri, 26 Feb 2021 11:34:07 +0100
From:   Wolfram Sang <wsa@...nel.org>
To:     Mårten Lindahl <marten.lindahl@...s.com>
Cc:     Krzysztof Kozlowski <krzk@...nel.org>, kernel@...s.com,
        Mårten Lindahl <martenli@...s.com>,
        linux-i2c@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] i2c: exynos5: Preserve high speed master code

On Tue, Feb 16, 2021 at 11:25:38PM +0100, Mårten Lindahl wrote:
> From: Mårten Lindahl <martenli@...s.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@...s.com>

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


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