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Date: Mon, 18 Mar 2019 14:21:13 +0200
From: Ilias Apalodimas <ilias.apalodimas@...aro.org>
To: Gregory CLEMENT <gregory.clement@...tlin.com>
Cc: Christian Neubert <christian.neubert.86@...il.com>,
Stephen Boyd <sboyd@...eaurora.org>,
Mike Turquette <mturquette@...libre.com>,
linux-clk@...r.kernel.org, linux-kernel@...r.kernel.org,
"Rafael J. Wysocki" <rjw@...ysocki.net>,
Viresh Kumar <viresh.kumar@...aro.org>,
linux-pm@...r.kernel.org,
Vincent Guittot <vincent.guittot@...aro.org>,
Jason Cooper <jason@...edaemon.net>,
Andrew Lunn <andrew@...n.ch>,
Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
linux-arm-kernel@...ts.infradead.org,
Antoine Tenart <antoine.tenart@...tlin.com>,
Miquèl Raynal <miquel.raynal@...tlin.com>,
Maxime Chevallier <maxime.chevallier@...tlin.com>,
stable@...r.kernel.org
Subject: Re: [PATCH] clk: mvebu: armada-37xx-periph: Fix initialization for
cpu clocks
Hi Gregory,
> >>
> > [ 14.909524] clk_pm_cpu_set_parent old=28004840 -> val=0x6000000 load_level=0
> > [ 14.916424] clk_pm_cpu_set_parent old=2E004840 -> val=0x600 load_level=1
> > [ 14.923315] clk_pm_cpu_set_parent old=8880A8C0 -> val=0x6000000 load_level=2
> > [ 14.930572] clk_pm_cpu_set_parent old=8E80A8C0 -> val=0x600 load_level=3
> >
> >
> > Let me know if you need anything else
>
> Could you show me the output of "cat /sys/kernel/debug/clk/clk_summary"
>
root@...alhost ~ # cat /sys/kernel/debug/clk/clk_summary
enable prepare protect duty
clock count count count rate accuracy phase cycle
---------------------------------------------------------------------------------------------
xtal 2 3 0 25000000 0 0 50000
i2c_1 0 0 0 25000000 0 0 50000
i2c_2 0 0 0 25000000 0 0 50000
avs 0 0 0 25000000 0 0 50000
TBG-B-S 2 2 0 1000000000 0 0 50000
cpu 0 0 0 200000000 0 0 50000
usb32_ss_sys 1 1 0 125000000 0 0 50000
usb32_usb2_sys 0 0 0 100000000 0 0 50000
gbe_125 0 0 0 125000000 0 0 50000
gbe0_125 0 0 0 125000000 0 0 50000
gbe1_125 0 0 0 125000000 0 0 50000
gbe_core 1 1 0 250000000 0 0 50000
gbe_bm 0 0 0 250000000 0 0 50000
gbe0_core 1 1 0 250000000 0 0 50000
gbe1_core 0 0 0 250000000 0 0 50000
eip97 0 0 0 500000000 0 0 50000
trace 0 0 0 1000000000 0 0 50000
ddr_fclk 0 0 0 125000000 0 0 50000
pwm 0 0 0 50000000 0 0 50000
tscem_tmx 0 0 0 1000000000 0 0 50000
sec_dap 0 0 0 100000000 0 0 50000
sec_at 0 0 0 200000000 0 0 50000
TBG-A-S 0 0 0 1600000000 0 0 50000
sdio 0 0 0 400000000 0 0 50000
ddr_phy 0 0 0 400000000 0 0 50000
mmc 0 0 0 400000000 0 0 50000
TBG-B-P 0 0 0 500000000 0 0 50000
gbe_50 0 0 0 50000000 0 0 50000
gbe0_50 0 0 0 50000000 0 0 50000
gbe1_50 0 0 0 50000000 0 0 50000
TBG-A-P 0 1 0 800000000 0 0 50000
counter 0 0 0 160000000 0 0 50000
sqf 0 1 0 200000000 0 0 50000
tscem 0 0 0 200000000 0 0 50000
sata_host 0 0 0 200000000 0 0 50000
root@...alhost ~ #
> Also, during this week-end, Christian suggested that the issue might
> come from the AVS support.
>
> Could you disable it and check you still have the issue?
>
> For this, you just have to remove the avs node in
> arch/arm64/boot/dts/marvell/armada-37xx.dtsi and rebuild the dtb.
Sure. You'll have to wait for a week though. Currently on a trip. I'll run that
once i return
Cheers
/Ilias
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