linux-kernel - Re: [PATCH v3 5/9] i2c: tegra: Rename I2C_PIO_MODE_MAX_LEN to I2C_PIO_MODE_PREFERRED

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Date:   Tue, 7 Jan 2020 12:39:08 +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>,
        "Mikko Perttunen" <cyndis@...si.fi>,
        Wolfram Sang <wsa@...-dreams.de>, <linux-i2c@...r.kernel.org>,
        <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 5/9] i2c: tegra: Rename I2C_PIO_MODE_MAX_LEN to
 I2C_PIO_MODE_PREFERRED_LEN

On Mon, 06 Jan 2020 04:04:19 +0300, Dmitry Osipenko wrote:
> DMA is preferred for a larger transfers, while PIO is preferred for a
> smaller transfers to avoid unnecessary DMA overhead. There is no strict
> size limitations for the PIO-mode transfers, so let's rename the constant
> for clarity.
> 
> Tested-by: Thierry Reding <treding@...dia.com>
> Signed-off-by: Dmitry Osipenko <digetx@...il.com>
> ---
>  drivers/i2c/busses/i2c-tegra.c | 11 ++++++-----
>  1 file changed, 6 insertions(+), 5 deletions(-)

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