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

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Message-ID: <CAJKOXPcx5a7m0ChqA8BimK=JhnzSgm0cx07RhSu+P8D-2YsfWw@mail.gmail.com>
Date:   Fri, 26 Feb 2021 11:40:00 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Wolfram Sang <wsa@...nel.org>
Cc:     Mårten Lindahl <marten.lindahl@...s.com>,
        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-samsung-soc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] i2c: exynos5: Preserve high speed master code

On Fri, 26 Feb 2021 at 11:34, Wolfram Sang <wsa@...nel.org> wrote:
>
> 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?

The first commit, 2013 :)
Fixes: 8a73cd4cfa15 ("i2c: exynos5: add High Speed I2C controller driver")

Best regards,
Krzysztof