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
>
next prev parent 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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