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From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Biju Das <biju.das@bp.renesas.com>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Simon Horman <horms@verge.net.au>,
	Magnus Damm <magnus.damm@gmail.com>,
	Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
	<devicetree@vger.kernel.org>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Chris Paterson <Chris.Paterson2@renesas.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	John Stultz <john.stultz@linaro.org>,
	Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Subject: Re: [PATCH] arm64: dts: renesas: r8a7796: Add CMT device nodes
Date: Mon, 19 Nov 2018 11:32:38 +0100	[thread overview]
Message-ID: <CAMuHMdUq-5NuBPFirw=3xk8r9voTcAqPnL0eL1LQYESAQzONCQ@mail.gmail.com> (raw)
In-Reply-To: <1be47ef6-1a92-e032-12c1-1deae5b67960@linaro.org>

Hi Daniel,

On Mon, Nov 19, 2018 at 11:26 AM Daniel Lezcano
<daniel.lezcano@linaro.org> wrote:
> On 26/10/2018 10:25, Biju Das wrote:
> > This patch adds CMT{0|1|2|3} device nodes for r8a7796 SoC.
> >
> > Signed-off-by: Biju Das <biju.das@bp.renesas.com>
> > ---
> > This patch is tested against renesas-dev
> >
> > I have executed on inconsistency-check, nanosleep and clocksource_switch
> > selftests on this arm64 SoC. The inconsistency-check and nanosleep tests
> > are working fine.The clocksource_switch asynchronous test is failing due
> > to inconsistency-check failure on "arch_sys_counter".
> >
> > But if i skip the clocksource_switching of "arch_sys_counter", the
> > asynchronous test is passing for CMT0/1/2/3 timer.
> >
> > Has any one noticed this issue?
>
> So now that you mention that, I've been through the clocksource_switch
> on another ARM64 platform (hikey960) and disabled the
> ARM64_ERRATUM_858921 config option. I can see the same issue.
>
> Is this option set on your config ?

Note that r8a7796 does not have Cortex-A73, but A57/A53.
But let's wait for Biju's answer, to see if it makes a difference...

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

  reply	other threads:[~2018-11-19 10:32 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-26  8:25 [PATCH] arm64: dts: renesas: r8a7796: Add CMT device nodes Biju Das
2018-10-26  9:48 ` Fabrizio Castro
2018-10-26  9:48   ` Fabrizio Castro
2018-11-19  8:27 ` Biju Das
2018-11-19  9:36 ` Daniel Lezcano
2018-11-19 10:26 ` Daniel Lezcano
2018-11-19 10:32   ` Geert Uytterhoeven [this message]
2018-11-19 10:35   ` Biju Das
2018-11-19 11:01     ` Daniel Lezcano
2018-11-19 15:50       ` Biju Das
2018-11-19 17:14         ` Daniel Lezcano
2018-11-22  9:46           ` Biju Das
2018-11-22 13:47             ` Daniel Lezcano
2018-11-22 15:16               ` Biju Das
2018-11-22 15:16                 ` Biju Das
2018-11-22 15:30                 ` Daniel Lezcano
2018-11-22 15:30                   ` Daniel Lezcano
2018-11-22 15:55                   ` Marc Zyngier
2018-11-22 15:55                     ` Marc Zyngier
2018-11-21 10:24 ` Simon Horman
2018-11-21 10:27   ` Biju Das
2018-11-23 12:37     ` Simon Horman
2019-01-24 10:15 ` Geert Uytterhoeven
2019-01-24 10:15   ` Geert Uytterhoeven
2019-01-25 11:30   ` Biju Das
2019-01-25 11:30     ` Biju Das
2019-01-25 12:26     ` Biju Das
2019-01-25 12:26       ` Biju Das
2019-01-25 14:06       ` Vincent Guittot
2019-01-25 14:06         ` Vincent Guittot
2019-01-25 14:29         ` Biju Das
2019-01-25 14:29           ` Biju Das
2019-01-25 14:44           ` Biju Das
2019-01-25 14:44             ` Biju Das
2019-01-25 14:48             ` Vincent Guittot
2019-01-25 14:48               ` Vincent Guittot
2019-01-25 14:53               ` Vincent Guittot
2019-01-25 14:53                 ` Vincent Guittot
2019-01-25 15:12                 ` Biju Das
2019-01-25 15:20                   ` Vincent Guittot
2019-01-25 15:20                     ` Vincent Guittot

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