| Message ID | aa9a9c3a1447b37c6b3b5ce9a7ce5f73473832db.1506380746.git.digetx@gmail.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
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 > -- To unsubscribe from this list: send the line "unsubscribe dmaengine" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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 },
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> --- drivers/clk/tegra/clk-tegra20.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)