From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Zhao Chenhui <chenhui.zhao@freescale.com>
Cc: scottwood@freescale.com, linuxppc-dev@lists.ozlabs.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 1/5] powerpc/85xx: implement hardware timebase sync
Date: Wed, 27 Jun 2012 08:10:34 +1000 [thread overview]
Message-ID: <1340748634.3732.27.camel@pasglop> (raw)
In-Reply-To: <1340706359-9455-1-git-send-email-chenhui.zhao@freescale.com>
On Tue, 2012-06-26 at 18:25 +0800, Zhao Chenhui wrote:
> Do hardware timebase sync. Firstly, stop all timebases, and transfer
> the timebase value of the boot core to the other core. Finally,
> start all timebases.
>
> Only apply to dual-core chips, such as MPC8572, P2020, etc.
>
> Signed-off-by: Zhao Chenhui <chenhui.zhao@freescale.com>
> Signed-off-by: Li Yang <leoli@freescale.com>
> ---
> Changes for v6:
> * added 85xx_TB_SYNC
> * added isync() after set_tb()
> * removed extra entries from mpc85xx_smp_guts_ids
What's that CONFIG option for ?
Cheers,
Ben.
next prev parent reply other threads:[~2012-06-26 22:10 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-26 10:25 [PATCH v6 1/5] powerpc/85xx: implement hardware timebase sync Zhao Chenhui
2012-06-26 10:25 ` [PATCH v6 2/5] powerpc/85xx: add HOTPLUG_CPU support Zhao Chenhui
2012-06-26 10:25 ` [PATCH v6 3/5] powerpc/85xx: add sleep and deep sleep support Zhao Chenhui
2012-07-13 12:27 ` Kumar Gala
2012-06-26 10:25 ` [PATCH v6 4/5] fsl_pmc: Add API to enable device as wakeup event source Zhao Chenhui
2012-06-26 10:25 ` [PATCH v6 5/5] powerpc/85xx: add support to JOG feature using cpufreq interface Zhao Chenhui
2012-06-26 14:03 ` [PATCH v6 1/5] powerpc/85xx: implement hardware timebase sync Kumar Gala
2012-06-26 21:45 ` Scott Wood
2012-06-26 22:10 ` Benjamin Herrenschmidt
2012-06-27 10:10 ` Zhao Chenhui
2012-06-26 22:10 ` Benjamin Herrenschmidt [this message]
2012-06-27 10:21 ` Zhao Chenhui
2012-06-27 11:48 ` Benjamin Herrenschmidt
2012-06-28 3:38 ` Zhao Chenhui
2012-06-28 10:50 ` Benjamin Herrenschmidt
2012-06-28 18:30 ` Kumar Gala
2012-06-29 10:33 ` Zhao Chenhui-B35336
2012-07-02 10:44 ` Zhao Chenhui
2012-06-29 15:39 ` Tabi Timur-B04825
2012-06-29 15:57 ` Scott Wood
2012-06-29 16:04 ` Timur Tabi
2012-06-29 16:10 ` Scott Wood
2012-06-29 16:12 ` Timur Tabi
2012-06-29 17:10 ` Scott Wood
2012-07-02 10:10 ` Zhao Chenhui
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