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From: Dmitry Osipenko <digetx@gmail.com>
To: Sowjanya Komatineni <skomatineni@nvidia.com>,
	thierry.reding@gmail.com, jonathanh@nvidia.com,
	frankc@nvidia.com, hverkuil@xs4all.nl, sakari.ailus@iki.fi,
	helen.koike@collabora.com
Cc: sboyd@kernel.org, linux-media@vger.kernel.org,
	devicetree@vger.kernel.org, linux-clk@vger.kernel.org,
	linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH v10 6/9] media: tegra: Add Tegra210 Video input driver
Date: Sun, 26 Apr 2020 02:13:36 +0300	[thread overview]
Message-ID: <fd5300fd-33af-babe-95d0-9669b66a8c06@gmail.com> (raw)
In-Reply-To: <1587700513-28449-7-git-send-email-skomatineni@nvidia.com>

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?

  parent reply	other threads:[~2020-04-25 23:13 UTC|newest]

Thread overview: 47+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-24  3:55 [RFC PATCH v10 0/9] Add Tegra driver for video capture Sowjanya Komatineni
2020-04-24  3:55 ` [RFC PATCH v10 1/9] arm64: tegra: Fix sor powergate clocks and reset Sowjanya Komatineni
2020-04-24  3:55 ` [RFC PATCH v10 2/9] arm64: tegra: Add reset-cells to mc Sowjanya Komatineni
2020-04-24  3:55 ` [RFC PATCH v10 3/9] dt-bindings: clock: tegra: Add clk id for CSI TPG clock Sowjanya Komatineni
2020-04-24  3:55 ` [RFC PATCH v10 4/9] clk: tegra: Add Tegra210 CSI TPG clock gate Sowjanya Komatineni
2020-04-24  3:55 ` [RFC PATCH v10 5/9] dt-binding: tegra: Add VI and CSI bindings Sowjanya Komatineni
2020-04-24  3:55 ` [RFC PATCH v10 7/9] MAINTAINERS: Add Tegra Video driver section Sowjanya Komatineni
2020-04-24  3:55 ` [RFC PATCH v10 8/9] dt-bindings: reset: Add ID for Tegra210 VI reset Sowjanya Komatineni
2020-04-24  3:55 ` [RFC PATCH v10 9/9] arm64: tegra: Add Tegra VI CSI support in device tree Sowjanya Komatineni
     [not found] ` <1587700513-28449-7-git-send-email-skomatineni@nvidia.com>
2020-04-24 15:07   ` [RFC PATCH v10 6/9] media: tegra: Add Tegra210 Video input driver Dmitry Osipenko
2020-04-24 22:00     ` Sowjanya Komatineni
2020-04-25 22:08       ` Dmitry Osipenko
2020-04-25 22:11         ` Sowjanya Komatineni
2020-04-25 23:40           ` Dmitry Osipenko
2020-04-25 23:44             ` Sowjanya Komatineni
2020-04-26  0:19               ` Dmitry Osipenko
2020-04-26  0:24                 ` Sowjanya Komatineni
2020-04-26  0:38                   ` Dmitry Osipenko
2020-04-26  8:07                 ` Hans Verkuil
2020-04-24 15:11   ` Dmitry Osipenko
2020-04-25  9:36     ` Hans Verkuil
2020-04-26  0:36       ` Dmitry Osipenko
2020-04-26  0:41         ` Sowjanya Komatineni
2020-04-26  1:08           ` Sowjanya Komatineni
2020-04-26  1:26             ` Dmitry Osipenko
2020-04-26  1:43               ` Sowjanya Komatineni
2020-04-26  2:10                 ` Dmitry Osipenko
2020-04-26  2:19                   ` Sowjanya Komatineni
2020-04-26  2:38                     ` Dmitry Osipenko
2020-04-26  2:48                       ` Sowjanya Komatineni
2020-04-26  3:03                         ` Sowjanya Komatineni
2020-04-26  2:19                   ` Dmitry Osipenko
2020-04-26  4:23                     ` Sowjanya Komatineni
2020-04-26  5:48                       ` Dmitry Osipenko
2020-04-26  4:42                   ` Dmitry Osipenko
2020-04-26  4:47                     ` Sowjanya Komatineni
2020-04-26  5:04                       ` Dmitry Osipenko
2020-04-26  5:51                       ` Dmitry Osipenko
2020-04-26  8:27                         ` Sowjanya Komatineni
2020-04-25 23:13   ` Dmitry Osipenko [this message]
2020-04-25 23:19     ` Sowjanya Komatineni
2020-04-25 23:25     ` Dmitry Osipenko
2020-04-25 23:27       ` Sowjanya Komatineni
2020-04-25 23:44         ` Dmitry Osipenko
2020-04-25 23:47           ` Sowjanya Komatineni
2020-04-25 23:29   ` Dmitry Osipenko
2020-04-26  1:04     ` Sowjanya Komatineni

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