linux-kernel - Re: [PATCH V1] i2c: tegra: fix tegra186 hw supported features

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Message-ID: <20190218084227.GB19363@ulmo>
Date:   Mon, 18 Feb 2019 09:42:27 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Sowjanya Komatineni <skomatineni@...dia.com>
Cc:     jonathanh@...dia.com, talho@...dia.com, wsa@...-dreams.de,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-i2c@...r.kernel.org
Subject: Re: [PATCH V1] i2c: tegra: fix tegra186 hw supported features

On Sat, Feb 16, 2019 at 08:33:07AM -0800, Sowjanya Komatineni wrote:
> Tegra186 does not support multi-master mode and also there is no
> master fifo control register.
> 
> This patch fixes supported features of Tegra186 and prevents
> crashing during boot as master fifo control register are not
> present on Tegra186 and prior.
> 
> Signed-off-by: Sowjanya Komatineni <skomatineni@...dia.com>
> ---
>  drivers/i2c/busses/i2c-tegra.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

We really should've caught this earlier. Jon, let's think about ways to
make it easier to catch these things in the future on our test system.

Acked-by: Thierry Reding <treding@...dia.com>

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