linux-kernel - Re: [PATCH v7 20/34] i2c: tegra: Remove "dma" variable from tegra_i2c_xfer

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Date:   Mon, 21 Sep 2020 10:19:49 +0000
From:   Thierry Reding <treding@...dia.com>
To:     Dmitry Osipenko <digetx@...il.com>
CC:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Laxman Dewangan <ldewangan@...dia.com>,
        Wolfram Sang <wsa@...-dreams.de>,
        Michał Mirosław <mirq-linux@...e.qmqm.pl>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        <linux-i2c@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v7 20/34] i2c: tegra: Remove "dma" variable from
 tegra_i2c_xfer_msg()

On Wed, 09 Sep 2020 01:39:52 +0300, Dmitry Osipenko wrote:
> The "dma" variable of tegra_i2c_xfer_msg() function doesn't bring much in
> regards to readability and generation of the code.
> 
> Besides readability, it's also not very nice that the is_curr_dma_xfer
> is initialized in tegra_i2c_xfer_msg() and then could be overridden by
> tegra_i2c_config_fifo_trig(). In a result, the "dma" variable creates
> slight confusion since it's not instantly obvious why it's set after
> tegra_i2c_config_fifo_trig().
> 
> Hence should be better to have the variable removed. This makes code
> more consistent.
> 
> Signed-off-by: Dmitry Osipenko <digetx@...il.com>
> Acked-by: Thierry Reding <treding@...dia.com>
> ---
>  drivers/i2c/busses/i2c-tegra.c | 17 ++++++++---------
>  1 file changed, 8 insertions(+), 9 deletions(-)

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