Re: [PATCH] clocksource/drivers/timer-ti-dm: Register clocksource/event only for am654

[H. Nikolaus Schaller]

> Am 28.08.2026 um 23:04 schrieb Andreas Kemnade <andreas@xxxxxxxxxxxx>:
> 
> On Fri, 28 Aug 2026 20:47:45 +0200
> "Markus Schneider-Pargmann (TI)" <msp@xxxxxxxxxxxx> 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@xxxxxxxxxxxxx>
>> Closes: https://lore.kernel.org/r/2013A99A-0502-4128-ACFA-B04886224393@xxxxxxxxxxxxx
>> Fixes: b8eeeca55456 ("clocksource/drivers/timer-ti-dm: Add clocksource support")
>> Signed-off-by: Markus Schneider-Pargmann (TI) <msp@xxxxxxxxxxxx>
> 
> Tested-by: Andreas Kemnade <andreas@xxxxxxxxxxxx> # OMAP3 GTA04

Tested-by: H. Nikolaus Schaller <hns@xxxxxxxxxxxxx> # OMAP3 OpenPandora

BR and thanks,
Nikolaus

PS: I would suggest that patches for omap-dm-timer are also routed to linux-omap@xxxxxxxxxxxxxxx