From: Tony Lindgren <tony@atomide.com>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Rob Herring <robh@kernel.org>,
Grygorii Strashko <grygorii.strashko@ti.com>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Lokesh Vutla <lokeshvutla@ti.com>, Keerthy <j-keerthy@ti.com>,
Santosh Shilimkar <santosh.shilimkar@oracle.com>,
linux-kernel@vger.kernel.org, Tero Kristo <t-kristo@ti.com>,
arm@kernel.org, Olof Johansson <olof@lixom.net>,
linux-omap@vger.kernel.org,
afzal mohammed <afzal.mohd.ma@gmail.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: omap2: drop broken broadcast timer hack
Date: Thu, 28 May 2020 06:50:57 -0700 [thread overview]
Message-ID: <20200528135057.GO37466@atomide.com> (raw)
In-Reply-To: <20200528134621.GN37466@atomide.com>
* Tony Lindgren <tony@atomide.com> [200528 13:47]:
> * Arnd Bergmann <arnd@arndb.de> [200528 09:20]:
> > The OMAP4 timer code had a special hack for using the broadcast timer
> > without SMP. Since the dmtimer is now gone, this also needs to be dropped
> > to avoid a link failure for non-SMP AM43xx configurations:
> >
> > kernel/time/tick-broadcast.o: in function `tick_device_uses_broadcast':
> > tick-broadcast.c:(.text+0x130): undefined reference to `tick_broadcast'
>
> Hmm this sounds like a regression though. Isn't this needed for using
> the ARM local timers on non-SMP SoC, so a separate timer from dmtimer?
>
> I've probably removed something accidentally to cause this.
Sounds like arch/arm/mach-omap2/Makefile change needs to be removed
to always still build in timer.o. And probably timer.c needs back
the ifdef for CONFIG_SOC_HAS_REALTIME_COUNTER.
I'll take a look today.
Regards,
Tony
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next prev parent reply other threads:[~2020-05-28 13:51 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-28 9:19 [PATCH] ARM: omap2: drop broken broadcast timer hack Arnd Bergmann
2020-05-28 13:46 ` Tony Lindgren
2020-05-28 13:50 ` Tony Lindgren [this message]
2020-05-28 15:57 ` Tony Lindgren
2020-05-28 16:18 ` santosh.shilimkar
2020-05-28 20:33 ` Arnd Bergmann
2020-05-28 20:38 ` Tony Lindgren
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