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Subject: Re: [PATCH RESEND V6 2/2] clk: imx: scu: add cpu frequency scaling support
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References: <1550802436-13007-1-git-send-email-Anson.Huang@nxp.com> <1550802436-13007-2-git-send-email-Anson.Huang@nxp.com>
From:   Stephen Boyd <sboyd@kernel.org>
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To:     "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
        "festevam@gmail.com" <festevam@gmail.com>,
        "kernel@pengutronix.de" <kernel@pengutronix.de>,
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        <linux-arm-kernel@lists.infradead.org>,
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        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
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        "mturquette@baylibre.com" <mturquette@baylibre.com>,
        "robh+dt@kernel.org" <robh+dt@kernel.org>,
        "s.hauer@pengutronix.de" <s.hauer@pengutronix.de>,
        "shawnguo@kernel.org" <shawnguo@kernel.org>,
        Aisheng Dong <aisheng.dong@nxp.com>,
        Anson Huang <anson.huang@nxp.com>,
        Daniel Baluta <daniel.baluta@nxp.com>
Cc:     dl-linux-imx <linux-imx@nxp.com>
Date:   Fri, 22 Feb 2019 11:03:49 -0800
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Quoting Anson Huang (2019-02-21 18:32:10)
> On NXP's i.MX SoCs with system controller inside, CPU frequency
> scaling can ONLY be done by system controller firmware, and it
> can ONLY be requested from secure mode, so Linux kernel has to
> call ARM SMC to trap to ARM-Trusted-Firmware to request system
> controller firmware to do CPU frequency scaling.
>=20
> This patch adds i.MX system controller CPU frequency scaling support,
> it reuses cpufreq-dt driver and implement the CPU frequency scaling
> inside SCU clock driver.
>=20
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> ---

Applied to clk-next