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Date:   Tue, 09 Feb 2021 14:52:56 -0800
From:   nnet <nnet@fastmail.fm>
To:     =?UTF-8?Q?Pali_Roh=C3=A1r?= <pali@kernel.org>
Cc:     a.heider@gmail.com, andrew@lunn.ch, gerald@gk2.net,
        gregory.clement@bootlin.com, kabel@kernel.org, kostap@marvell.com,
        linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org,
        linux-kernel@vger.kernel.org, luka.perkov@sartura.hr,
        miquel.raynal@bootlin.com, mturquette@baylibre.com,
        rmk+kernel@armlinux.org.uk, sboyd@kernel.org, tmn505@gmail.com,
        vladimir.vid@sartura.hr
Subject: =?UTF-8?Q?Re:_[PATCH_mvebu_v2_00/10]_Armada_37xx:_Fix_cpufreq_changing_b?=
 =?UTF-8?Q?ase_CPU_speed_to_800_MHz_from_1000_MHz?=
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On Tue, Feb 9, 2021, at 2:42 PM, Pali Roh=C3=A1r wrote:
> On Tuesday 09 February 2021 13:45:08 nnet wrote:
> > On Tue, Feb 9, 2021, at 1:33 PM, Pali Roh=C3=A1r wrote:
> > > On Tuesday 09 February 2021 13:00:26 nnet wrote:
> > > > > If you have other Armada 3720 boards (Espressobin v5/v7, uDPU,=
 Devel Board, ...) then it will be nice to do an additional tests and ch=
eck if instability issues are finally fixed.
> > > >=20
> > > > These patches applied to the 5.4.96 in OpenWrt (98d61b5) work fi=
ne so far on an Espressobin v7 AFAICT per changing values in /sys/device=
s/system/cpu/cpufreq/policy0.
> > > >=20
> > > > Are these changes intended to work @1.2 GHz on the v7?
> > >=20
> > > Hello! Do you have 1.2 GHz A3720 SoC?
> >=20
> > Maybe (not)? ESPRESSObin_V7_1-0 on the underside.
>=20
> Look at the package of SoC chip. On top of the package is printed
> identifier 88F3720. On the last line should be one of the string:
> C080, C100, C120, I080, I100 which identifies frequency
> (080 =3D 800 MHz, 100 =3D 1 GHz, 120 =3D 1.2 GHz)
>=20
> Can you check what is printed on A3720 SoC package?

Both of mine are 88F3720-A0-C120.