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Message-ID: <fd5300fd-33af-babe-95d0-9669b66a8c06@gmail.com>
Date:   Sun, 26 Apr 2020 02:13:36 +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 v10 6/9] media: tegra: Add Tegra210 Video input driver

24.04.2020 06:55, Sowjanya Komatineni пишет:
> +static int __maybe_unused vi_runtime_resume(struct device *dev)
> +{
> +	struct tegra_vi *vi = dev_get_drvdata(dev);
> +	int ret;
> +
> +	ret = regulator_enable(vi->vdd);
> +	if (ret) {
> +		dev_err(dev, "failed to enable VDD supply: %d\n", ret);
> +		return ret;
> +	}
> +
> +	ret = clk_set_rate(vi->clk, vi->soc->vi_max_clk_hz);
> +	if (ret) {
> +		dev_err(dev, "failed to set vi clock rate: %d\n", ret);
> +		goto disable_vdd;
> +	}

Isn't setting clock rate using assigned-clocks in a device-tree enough?
Could you please clarify why this vi_max_clk_hz is needed?

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