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From: Peter De Schrijver <pdeschrijver@nvidia.com>
To: Dmitry Osipenko <digetx@gmail.com>
Cc: Thierry Reding <thierry.reding@gmail.com>,
	Jonathan Hunter <jonathanh@nvidia.com>,
	Laxman Dewangan <ldewangan@nvidia.com>,
	"Prashant Gaikwad" <pgaikwad@nvidia.com>,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@codeaurora.org>,
	Rob Herring <robh+dt@kernel.org>,
	"Vinod Koul" <vinod.koul@intel.com>,
	<linux-tegra@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<dmaengine@vger.kernel.org>, <linux-clk@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v1 2/5] clk: tegra: Bump SCLK clock rate to 216MHz on Tegra20
Date: Tue, 26 Sep 2017 13:01:09 +0300	[thread overview]
Message-ID: <20170926100109.GX6290@tbergstrom-lnx.Nvidia.com> (raw)
In-Reply-To: <aa9a9c3a1447b37c6b3b5ce9a7ce5f73473832db.1506380746.git.digetx@gmail.com>

On Tue, Sep 26, 2017 at 02:22:03AM +0300, Dmitry Osipenko wrote:
> AHB DMA is a running on 1/2 of SCLK rate, APB on 1/4. Increasing SCLK rate
> results in an increased DMA transfer rate.
> 
> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>

Acked-By: Peter De Schrijver <pdeschrijver@nvidia.com>

> ---
>  drivers/clk/tegra/clk-tegra20.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c
> index e76c0d292ca7..c511716093e2 100644
> --- a/drivers/clk/tegra/clk-tegra20.c
> +++ b/drivers/clk/tegra/clk-tegra20.c
> @@ -1031,7 +1031,7 @@ static struct tegra_clk_init_table init_table[] __initdata = {
>  	{ TEGRA20_CLK_PLL_P_OUT3, TEGRA20_CLK_CLK_MAX, 72000000, 1 },
>  	{ TEGRA20_CLK_PLL_P_OUT4, TEGRA20_CLK_CLK_MAX, 24000000, 1 },
>  	{ TEGRA20_CLK_PLL_C, TEGRA20_CLK_CLK_MAX, 600000000, 1 },
> -	{ TEGRA20_CLK_PLL_C_OUT1, TEGRA20_CLK_CLK_MAX, 120000000, 1 },
> +	{ TEGRA20_CLK_PLL_C_OUT1, TEGRA20_CLK_CLK_MAX, 216000000, 1 },
>  	{ TEGRA20_CLK_SCLK, TEGRA20_CLK_PLL_C_OUT1, 0, 1 },
>  	{ TEGRA20_CLK_HCLK, TEGRA20_CLK_CLK_MAX, 0, 1 },
>  	{ TEGRA20_CLK_PCLK, TEGRA20_CLK_CLK_MAX, 60000000, 1 },
> -- 
> 2.14.1
> 

  reply	other threads:[~2017-09-26 10:04 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-25 23:22 [PATCH v1 0/5] NVIDIA Tegra AHB DMA controller driver Dmitry Osipenko
2017-09-25 23:22 ` [PATCH v1 1/5] clk: tegra: Add AHB DMA clock entry Dmitry Osipenko
2017-09-26  9:56   ` Peter De Schrijver
2017-09-26 14:46     ` Dmitry Osipenko
2017-09-27  8:36       ` Peter De Schrijver
2017-09-27  9:41         ` Dmitry Osipenko
2017-09-25 23:22 ` [PATCH v1 2/5] clk: tegra: Bump SCLK clock rate to 216MHz on Tegra20 Dmitry Osipenko
2017-09-26 10:01   ` Peter De Schrijver [this message]
2017-09-25 23:22 ` [PATCH v1 3/5] dt-bindings: Add DT bindings for NVIDIA Tegra AHB DMA controller Dmitry Osipenko
2017-09-26 14:50   ` Jon Hunter
2017-09-26 15:16     ` Dmitry Osipenko
2017-09-27  1:57     ` Dmitry Osipenko
2017-09-27  8:34       ` Jon Hunter
2017-09-27 12:12         ` Dmitry Osipenko
2017-09-27 13:44           ` Jon Hunter
2017-09-27 13:46             ` Jon Hunter
2017-09-27 14:29               ` Dmitry Osipenko
2017-09-27 23:32         ` Stephen Boyd
2017-09-28  8:33           ` Jon Hunter
2017-09-29 19:30         ` Stephen Warren
2017-09-30  3:11           ` Dmitry Osipenko
2017-10-02 17:05             ` Stephen Warren
2017-10-02 23:02               ` Dmitry Osipenko
2017-10-03 10:32                 ` Jon Hunter
2017-10-03 12:07                   ` Dmitry Osipenko
2017-10-03 12:19                     ` Jon Hunter
2017-10-03 15:38                   ` Stephen Warren
2017-10-03 17:04                     ` Dmitry Osipenko
2017-10-05 20:33   ` Rob Herring
2017-10-05 21:30     ` Dmitry Osipenko
2017-09-25 23:22 ` [PATCH v1 4/5] dmaengine: Add driver " Dmitry Osipenko
2017-09-26 14:45   ` Jon Hunter
2017-09-26 16:06     ` Dmitry Osipenko
2017-09-26 21:37       ` Jon Hunter
2017-09-26 23:00         ` Dmitry Osipenko
2017-09-28  9:29   ` Vinod Koul
2017-09-28 12:17     ` Dmitry Osipenko
2017-09-28 14:06     ` Dmitry Osipenko
2017-09-28 14:35       ` Dmitry Osipenko
2017-09-28 16:22         ` Vinod Koul
2017-09-28 16:37           ` Dmitry Osipenko
2017-09-28 16:21       ` Vinod Koul
2017-09-25 23:22 ` [PATCH v1 5/5] ARM: dts: tegra: Add AHB DMA controller nodes Dmitry Osipenko
2017-09-28  9:31 ` [PATCH v1 0/5] NVIDIA Tegra AHB DMA controller driver Vinod Koul
2017-09-28 12:24   ` Dmitry Osipenko

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