linux-kernel - Re: [RFC PATCH v11 6/9] media: tegra: Add Tegra210 Video input driver

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Message-ID: <34a49a30-71f2-5b24-20a4-7d98ae37cefa@gmail.com>
Date:   Thu, 30 Apr 2020 16:38:37 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Sowjanya Komatineni <skomatineni@...dia.com>,
        thierry.reding@...il.com, jonathanh@...dia.com, frankc@...dia.com,
        hverkuil@...all.nl, sakari.ailus@....fi, helen.koike@...labora.com
Cc:     sboyd@...nel.org, linux-media@...r.kernel.org,
        devicetree@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v11 6/9] media: tegra: Add Tegra210 Video input driver

30.04.2020 01:00, Sowjanya Komatineni пишет:
> +/**
> + * struct tegra_csi_ops - Tegra CSI operations
> + *
> + * @csi_streaming: programs csi hardware to enable or disable streaming.
> + * @csi_err_recover: csi hardware block recovery in case of any capture errors
> + *		due to missing source stream or due to improper csi input from
> + *		the external source.
> + */
> +struct tegra_csi_ops {
> +	int (*csi_streaming)(struct tegra_csi_channel *csi_chan, u8 pg_mode,
> +			     int enable);

What about to split csi_streaming() into csi_start_streaming() /
csi_stop_streaming()?

This will make tegra_csi_ops to be consistent with the tegra_ve_ops. A
separated start/stop operations are somewhat more natural to have in
general.