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From: Tony Lindgren <tony@atomide.com>
To: Daniel Lezcano <daniel.lezcano@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>, Keerthy <j-keerthy@ti.com>,
	linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	Tero Kristo <kristo@kernel.org>
Subject: Re: [PATCH 2/2] clocksource/drivers/timer-ti-dm: Handle dra7 timer wrap errata i940
Date: Mon, 22 Mar 2021 12:17:19 +0200	[thread overview]
Message-ID: <YFhurzhHvusXbvyU@atomide.com> (raw)
In-Reply-To: <1edba5bd-5408-c545-85ea-689b4171cb5b@linaro.org>

Hi,

* Daniel Lezcano <daniel.lezcano@linaro.org> [210322 10:16]:
> On 04/03/2021 08:37, Tony Lindgren wrote:
> > There is a timer wrap issue on dra7 for the ARM architected timer.
> > In a typical clock configuration the timer fails to wrap after 388 days.
> > 
> > To work around the issue, we need to use timer-ti-dm percpu timers instead.
> > 
> > Let's configure dmtimer3 and 4 as percpu timers by default, and warn about
> > the issue if the dtb is not configured properly.
> > 
> > Let's do this as a single patch so it can be backported to v5.8 and later
> > kernels easily. 
> 
> Cc: <stable@vger.kernel.org> # v5.8+
> 
> ??

Yes please, that would be great.

Thanks,

Tony

  reply	other threads:[~2021-03-22 10:18 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-04  7:37 [PATCH 0/2] Fixes for for dra7 timer wrap errata i940 Tony Lindgren
2021-03-04  7:37 ` [PATCH 1/2] clocksource/drivers/timer-ti-dm: Prepare to handle dra7 timer wrap issue Tony Lindgren
2021-03-22 15:55   ` Daniel Lezcano
2021-03-22 16:33     ` Tony Lindgren
2021-03-22 18:23       ` Daniel Lezcano
2021-03-23  6:31         ` Tony Lindgren
2021-03-04  7:37 ` [PATCH 2/2] clocksource/drivers/timer-ti-dm: Handle dra7 timer wrap errata i940 Tony Lindgren
2021-03-22 10:15   ` Daniel Lezcano
2021-03-22 10:17     ` Tony Lindgren [this message]
2021-03-23  7:43 [PATCHv2 0/2] Fixes for for " Tony Lindgren
2021-03-23  7:43 ` [PATCH 2/2] clocksource/drivers/timer-ti-dm: Handle " Tony Lindgren
2022-01-29 21:05   ` Drew Fustini
2022-01-31 10:16     ` Tony Lindgren
2022-02-02 20:54       ` Drew Fustini

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