On Mon, Feb 06, 2017 at 11:29:26AM +0000, Andre Przywara wrote: > Hi, > > On 03/02/17 10:52, Jagan Teki wrote: > > On Wed, Feb 1, 2017 at 2:36 AM, Andre Przywara <andre.przyw...@arm.com> > > wrote: > >> Instead of enumerating all SoC families that need that bit set, let's > >> just express this more clearly: The SMP bits needs to be set on > >> SMP capable ARMv7 CPUs. It's much easier in Kconfig to express it the > >> other way round, so we use ! CPU_IS_UP and ! ARM64. > >> > >> Signed-off-by: Andre Przywara <andre.przyw...@arm.com> > >> Acked-by: Maxime Ripard <maxime.rip...@free-electrons.com> > >> --- > >> arch/arm/Kconfig | 4 ++++ > >> arch/arm/mach-sunxi/board.c | 5 +---- > >> board/sunxi/Kconfig | 2 ++ > >> 3 files changed, 7 insertions(+), 4 deletions(-) > >> > >> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig > >> index fc36723..98791c0 100644 > >> --- a/arch/arm/Kconfig > >> +++ b/arch/arm/Kconfig > >> @@ -126,6 +126,10 @@ config ENABLE_ARM_SOC_BOOT0_HOOK > >> ARM_SOC_BOOT0_HOOK which contains the required assembler > >> preprocessor code. > >> > >> +config ARM_CORTEX_CPU_IS_UP > >> + bool > >> + default n > > > > Better to place this in sunxi, since no other code using this expect > > sunxi and the name CORTEX may also refer arm64 use something 32 > > related. > > Sigh, can you please check back with Maxime on what's the right thing here? > http://lists.denx.de/pipermail/u-boot/2017-January/279417.html > > If it's about the name, shall we use ARM_CORTEX_V7_CPU_IS_UP? > > I was briefly tempted to unify all ACTLR.SMP bit sets from all over the > ARM code, but this looks like a can of worms to me, so I'd rather keep > this one closed.
There's at least one other SoC in a similar situation (imx7 solo), so I think it should really be made generic. I don't really care about the name though, but keeping it in sunxi is just creating yet another candidate for a duplicated and redundant option. Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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