From: arnd@arndb•de (Arnd Bergmann)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 3/6] arm: kconfig: don't select TWD with local timer for Armada 370/XP
Date: Tue, 22 Jan 2013 15:57:02 +0000 [thread overview]
Message-ID: <201301221557.02976.arnd@arndb.de> (raw)
In-Reply-To: <50FDC322.2040107@free-electrons.com>
On Monday 21 January 2013, Gregory CLEMENT wrote:
> I don't see a strong reason to not enable it if we don't use it. My concern
> was that I don't need it so I didn't want to include it and generating extra
> code for nothing. Then just after having sent this patch set, I received your
> patch set about build regression in 3.8 and especially the part about
> CONFIG_MULTIPLATFORM made me realized that it could be a problem.
Ok.
> > Maybe it can be written as
> >
> > config LOCAL_TIMERS
> > bool "Use local timer interrupts"
> > depends on SMP
> > default y
> >
> > config HAVE_ARM_TWD
> > depends on LOCAL_TIMERS
> > default ARCH_MULTIPLATFORM || (!ARCH_MSM_SCORPIONMP && !EXYNOS4_MCT)
>
> So in this case why not written something like this:
> default ARCH_MULTIPLATFORM || (!ARCH_MSM_SCORPIONMP && !EXYNOS4_MCT && !ARMADA_370_XP_TIMER)
That does not change anything, because ARMADA_370_XP_TIMER is only ever enabled
when ARCH_MULTIPLATFORM is enabled as well.
> > default y
> I am not a kconfig expert, but won't this line set HAVE_ARM_TWD to 'y' whatever
> the result of the previous line?
Yes, that was a mistake on my side.
Arnd
next prev parent reply other threads:[~2013-01-22 15:57 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-21 17:53 [PATCH 0/6] arm: mvebu: add support for local timer for Armada 370/XP Gregory CLEMENT
2013-01-21 17:53 ` [PATCH 1/6] arm: mvebu: Add support for local interrupt Gregory CLEMENT
2013-01-21 18:17 ` Thomas Petazzoni
2013-01-21 22:07 ` Gregory CLEMENT
2013-01-21 23:26 ` Ezequiel Garcia
2013-01-22 9:09 ` Gregory CLEMENT
2013-01-22 16:55 ` Thomas Petazzoni
2013-01-21 17:53 ` [PATCH 2/6] clocksource: time-armada-370-xp: add local timer support Gregory CLEMENT
2013-01-21 17:59 ` Russell King - ARM Linux
2013-01-21 18:04 ` Gregory CLEMENT
2013-01-23 13:11 ` Gregory CLEMENT
2013-01-21 17:53 ` [PATCH 3/6] arm: kconfig: don't select TWD with local timer for Armada 370/XP Gregory CLEMENT
2013-01-21 18:31 ` Arnd Bergmann
2013-01-21 19:29 ` Matt Sealey
2013-01-21 20:44 ` Arnd Bergmann
2013-01-22 17:12 ` Russell King - ARM Linux
2013-01-22 20:46 ` Rob Herring
2013-01-22 21:19 ` Arnd Bergmann
2013-01-21 22:37 ` Gregory CLEMENT
2013-01-22 15:57 ` Arnd Bergmann [this message]
2013-01-22 16:34 ` Gregory CLEMENT
2013-01-22 17:42 ` [PATCH] arm: kconfig: always select TWD with local timer for multiplatform Gregory CLEMENT
2013-01-22 17:18 ` [PATCH 3/6] arm: kconfig: don't select TWD with local timer for Armada 370/XP Russell King - ARM Linux
2013-01-22 17:42 ` Arnd Bergmann
2013-01-21 17:54 ` [PATCH 4/6] arm: mvebu: update defconfig with local timer support Gregory CLEMENT
2013-01-21 17:54 ` [PATCH 5/6] arm: mvebu: update DT to support local timers Gregory CLEMENT
2013-01-21 17:54 ` [PATCH 6/6] clocksource: update and move armada-370-xp-timer documentation to timer directory Gregory CLEMENT
2013-01-21 18:22 ` Arnd Bergmann
2013-01-21 22:05 ` Gregory CLEMENT
2013-01-21 22:26 ` Arnd Bergmann
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