From: "Markus Schneider-Pargmann" <msp@baylibre.com>
To: "Markus Schneider-Pargmann (TI)" <msp@baylibre.com>,
"Daniel Lezcano" <daniel.lezcano@kernel.org>,
"Thomas Gleixner" <tglx@kernel.org>
Cc: "H. Nikolaus Schaller" <hns@goldelico.com>,
"Andreas Kemnade" <andreas@kemnade.info>,
<linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] clocksource/drivers/timer-ti-dm: Register clocksource/event only for am654
Date: Wed, 16 Sep 2026 10:59:53 +0200 [thread overview]
Message-ID: <DLGM8U9HBK19.16WN58TZY1HXE@baylibre.com> (raw)
In-Reply-To: <20260828-v7-3-next-topic-ti-timer-dm-clocksource-omap-fix-v1-1-85f0e4dc6f9f@baylibre.com>
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Hi Daniel,
On Fri Aug 28, 2026 at 8:47 PM CEST, Markus Schneider-Pargmann (TI) wrote:
> Registering clocksource/clockevent for the older platforms breaks
> booting them. The older platforms have their own implementation in early
> boot that is used to register clocksource/clockevent in
> timer-ti-dm-systimer.c.
>
> With am654, the timer is much more complex with more dependencies so
> doing this in early boot with the other driver is very difficult and
> gets ugly. Instead it is implemented in the platform driver for am654.
> However the old platforms may not register clocksource/clockevent in
> this driver as that would break the boot.
>
> Add a system_timer_capable flag that is only set for am654-timer that
> gates the clocksource/clockevent registration.
>
> Reported-by: H. Nikolaus Schaller <hns@goldelico.com>
> Closes: https://lore.kernel.org/r/2013A99A-0502-4128-ACFA-B04886224393@goldelico.com
> Fixes: b8eeeca55456 ("clocksource/drivers/timer-ti-dm: Add clocksource support")
> Signed-off-by: Markus Schneider-Pargmann (TI) <msp@baylibre.com>
Did you have time to take a look at this patch?
Thanks,
Markus
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prev parent reply other threads:[~2026-09-16 9:00 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-28 18:47 Markus Schneider-Pargmann (TI)
2026-08-28 21:04 ` Andreas Kemnade
2026-08-29 7:23 ` H. Nikolaus Schaller
2026-08-31 17:44 ` Kevin Hilman
2026-09-16 9:02 ` Markus Schneider-Pargmann
2026-09-16 8:59 ` Markus Schneider-Pargmann [this message]
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