Re: [PATCH 0/3] ARM: dts: renesas: Add more TMU support

From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Wolfram Sang <wsa@kernel.org>
Cc: "Magnus Damm" <magnus.damm@gmail.com>,
	"Niklas Söderlund" <niklas.soderlund+renesas@ragnatech.se>,
	linux-renesas-soc@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 0/3] ARM: dts: renesas: Add more TMU support
Date: Wed, 20 Mar 2024 09:03:00 +0100	[thread overview]
Message-ID: <CAMuHMdWeq6c8F=i7SgEt+HBBpknaEFTsrxM26OrDpjzOS_YTZw@mail.gmail.com> (raw)
In-Reply-To: <ZfqLY8Ej6kNnAMQA@ninjato>

Hi Wolfram,

On Wed, Mar 20, 2024 at 8:08 AM Wolfram Sang <wsa@kernel.org> wrote:
> > APE6 (APE6EVM), and on R-Car H2 (Lager) and M2-W (Koelsch), except for
> > TMU3 on M2-W, which consistently fails the CLOCK_REALTIME test (why?).
>
> Huh? It works on Lager and fails on Koelsch? Do you have a log file?

Of course it succeeded on the next try...

When it failed:

# Running Asynchronous Switching Tests...
TAP version 13
1..12
# Mon Mar 18 13:47:43 2024
[...]
# 1710766103:513532480
# 1710766103:513532480
# 1710766103:513532480
# --------------------
# 1710766103:513784560
# 1710766103:513784559
# --------------------
# 1710766103:513784559
# 1710766103:513784559
# 1710766103:513784559
[...]
# Delta: 1 ns
# Mon Mar 18 13:48:23 2024

not ok 1 CLOCK_REALTIE
# Planned tests != run tests (12 != 1)
# Totals: pass:0 fail:1 xfail:0 xpass:0 skip:0 error:0
TAP version 13
1..1
not ok 1 clocksource-switch
# Totals: pass:0 fail:1 xfail:0 xpass:0 skip:0 error:0

Perhaps a subtle driver issue, or an issue with the test?

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