linux-kernel - Re: [PATCH 2/2] cpufreq: imx6q: add 696MHz operating point for i.mx6ul

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Date:   Tue, 2 Jan 2018 12:37:32 -0200
From:   Fabio Estevam <festevam@...il.com>
To:     Anson Huang <Anson.Huang@....com>
Cc:     "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, linux-pm@...r.kernel.org,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Mark Rutland <mark.rutland@....com>,
        Dong Aisheng <aisheng.dong@....com>,
        Ping Bai <ping.bai@....com>,
        viresh kumar <viresh.kumar@...aro.org>, rjw@...ysocki.net,
        Russell King - ARM Linux <linux@...linux.org.uk>,
        Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>,
        Shawn Guo <shawnguo@...nel.org>
Subject: Re: [PATCH 2/2] cpufreq: imx6q: add 696MHz operating point for i.mx6ul

Hi Anson,

On Tue, Jan 2, 2018 at 3:07 PM, Anson Huang <Anson.Huang@....com> wrote:

> diff --git a/drivers/cpufreq/imx6q-cpufreq.c b/drivers/cpufreq/imx6q-cpufreq.c
> index d9b2c2d..cbda0cc 100644
> --- a/drivers/cpufreq/imx6q-cpufreq.c
> +++ b/drivers/cpufreq/imx6q-cpufreq.c
> @@ -120,6 +120,10 @@ static int imx6q_set_target(struct cpufreq_policy *policy, unsigned int index)
>                         clk_set_parent(secondary_sel_clk, pll2_pfd2_396m_clk);
>                 clk_set_parent(step_clk, secondary_sel_clk);
>                 clk_set_parent(pll1_sw_clk, step_clk);
> +               if (freq_hz > clk_get_rate(pll2_bus_clk)) {
> +                       clk_set_rate(pll1_sys_clk, new_freq * 1000);
> +                       clk_set_parent(pll1_sw_clk, pll1_sys_clk);
> +               }

This change should be part of a different patch.

Thanks