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Date:   Mon, 4 Mar 2019 13:35:10 +0100
From:   Geert Uytterhoeven <>
To:     Wolfram Sang <>
Cc:     Linux I2C <>,
        Linux-Renesas <>,
        Linux Kernel Mailing List <>,
        Linux ARM <>,
        Keerthy <>, Peter Rosin <>,
        Tony Lindgren <>,
        Russell King <>,
        Andy Shevchenko <>,
        Stefan Lengfeld <>,
        Phil Reid <>,
        Tero Kristo <>,
        "open list:TI ETHERNET SWITCH DRIVER (CPSW)" 
        linux-tegra <>
Subject: Re: [RFC PATCH v2 2/7] i2c: core: use I2C locking behaviour also for SMBUS

On Sat, Mar 2, 2019 at 2:49 PM Wolfram Sang
<> wrote:
> If I2C transfers are executed in atomic contexts, trylock is used
> instead of lock. This behaviour was missing for SMBUS, although a lot of
> transfers are of SMBUS type, either emulated or direct. So, factor out
> the locking routine into a helper and use it for I2C and SMBUS.
> Signed-off-by: Wolfram Sang <>
> Acked-by: Peter Rosin <>
> Acked-by: Tony Lindgren <>

Reviewed-by: Geert Uytterhoeven <>



Geert Uytterhoeven -- There's lots of Linux beyond ia32 --

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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