From: Stephen Boyd <sboyd@codeaurora.org>
To: Mark Rutland <mark.rutland@arm.com>
Cc: "linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Tony Lindgren <tony@atomide.com>,
"linux-arm-msm@vger.kernel.org" <linux-arm-msm@vger.kernel.org>,
Russell King <linux@arm.linux.org.uk>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCHv3 03/10] ARM: smp_twd: Divorce smp_twd from local timer API
Date: Thu, 28 Mar 2013 13:09:31 -0700 [thread overview]
Message-ID: <5154A37B.1070407@codeaurora.org> (raw)
In-Reply-To: <20130328152255.GD30477@e106331-lin.cambridge.arm.com>
On 03/28/13 08:22, Mark Rutland wrote:
> This works on my A9x4 coretile, bringing CPUs up and down via
> /sys/devices/system/cpu/*/online, so:
>
> Tested-by: Mark Rutland <mark.rutland@arm.com>
Thanks. I still need to resolve patch #1 though.
>
> Otherwise, is there any reason we couldn't now use the twd driver on a UP
> system? Or would the overhead of handling frequency change make this pointless?
I don't see why not but I don't have any interest in pursuing it.
>
> On Wed, Mar 13, 2013 at 06:17:49PM +0000, Stephen Boyd wrote:
>> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
>> index 5b71469..5ad2ccf 100644
>> --- a/arch/arm/Kconfig
>> +++ b/arch/arm/Kconfig
>> @@ -1527,6 +1527,7 @@ config SMP
>> depends on HAVE_SMP
>> depends on MMU
>> select HAVE_ARM_SCU if !ARCH_MSM_SCORPIONMP
>> + select HAVE_ARM_TWD if (!ARCH_MSM_SCORPIONMP && !EXYNOS4_MCT)
> Could you not depend on your "Push selects for TWD/SCU into machine entries"
> for this?
Right now the patches don't depend on the push down patch. Are you
saying it would be better to depend on that patch?
--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by The Linux Foundation
next prev parent reply other threads:[~2013-03-28 20:09 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-13 18:17 [PATCHv3 00/10] Remove ARM local timer API Stephen Boyd
2013-03-13 18:17 ` [PATCHv3 01/10] clocksource: add generic dummy timer driver Stephen Boyd
2013-03-21 18:09 ` Mark Rutland
2013-03-21 18:13 ` Stephen Boyd
2013-03-22 18:03 ` Mark Rutland
2013-03-25 16:49 ` Stephen Boyd
2013-03-25 18:00 ` Mark Rutland
2013-03-25 20:47 ` Thomas Gleixner
2013-03-26 15:26 ` Mark Rutland
2013-03-26 2:14 ` Stephen Boyd
2013-03-26 11:28 ` Mark Rutland
2013-04-05 1:46 ` Stephen Boyd
2013-03-13 18:17 ` [PATCHv3 02/10] ARM: smp: Remove duplicate dummy timer implementation Stephen Boyd
2013-03-13 18:17 ` [PATCHv3 03/10] ARM: smp_twd: Divorce smp_twd from local timer API Stephen Boyd
2013-03-28 15:22 ` Mark Rutland
2013-03-28 20:09 ` Stephen Boyd [this message]
2013-04-02 8:41 ` Mark Rutland
2013-03-13 18:17 ` [PATCHv3 04/10] ARM: OMAP2+: Divorce " Stephen Boyd
2013-03-13 18:17 ` [PATCHv3 05/10] ARM: EXYNOS4: Divorce mct " Stephen Boyd
2013-03-13 18:17 ` [PATCHv3 06/10] ARM: PRIMA2: Divorce timer-marco " Stephen Boyd
2013-03-13 18:17 ` [PATCHv3 07/10] ARM: msm: Divorce msm_timer " Stephen Boyd
2013-03-13 18:17 ` [PATCHv3 08/10] clocksource: time-armada-370-xp: Fix sparse warning Stephen Boyd
2013-03-20 17:06 ` Gregory CLEMENT
2013-03-13 18:17 ` [PATCHv3 09/10] clocksource: time-armada-370-xp: Divorce from local timer API Stephen Boyd
2013-03-20 17:09 ` Gregory CLEMENT
2013-03-20 17:20 ` Stephen Boyd
2013-03-20 17:26 ` Gregory CLEMENT
2013-03-20 17:44 ` Gregory CLEMENT
2013-03-20 18:00 ` Stephen Boyd
2013-03-20 17:21 ` Gregory CLEMENT
2013-03-13 18:17 ` [PATCHv3 10/10] ARM: smp: Remove " Stephen Boyd
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