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SubjectRe: [linux-sunxi] [RFC PATCH 2/9] ARM: sunxi: add Allwinner ARMv5 SoCs
On Sat, Jan 20, 2018 at 02:22:06PM +1100, Julian Calaby wrote:
> Hi Icenowy,
>
> On Sat, Jan 20, 2018 at 2:10 PM, Icenowy Zheng <icenowy@aosc.io> wrote:
> >
> >
> > 于 2018年1月20日 GMT+08:00 上午11:06:40, Julian Calaby <julian.calaby@gmail.com> 写到:
> >>Hi Icenowy,
> >>
> >>On Sat, Jan 20, 2018 at 10:17 AM, Icenowy Zheng <icenowy@aosc.io>
> >>wrote:
> >>> Add option for Allwinner ARMv5 SoCs and a SoC suniv (which is a die
> >>used
> >>> for many new F-series products, including F1C100A, F1C100s, F1C200s,
> >>> F1C500, F1C600).
> >>>
> >>> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> >>> ---
> >>> arch/arm/mach-sunxi/Kconfig | 13 +++++++++++++
> >>> arch/arm/mach-sunxi/Makefile | 1 +
> >>> arch/arm/mach-sunxi/sunxi_v5.c | 22 ++++++++++++++++++++++
> >>> 3 files changed, 36 insertions(+)
> >>> create mode 100644 arch/arm/mach-sunxi/sunxi_v5.c
> >>>
> >>> diff --git a/arch/arm/mach-sunxi/Kconfig
> >>b/arch/arm/mach-sunxi/Kconfig
> >>> index 65509a35935f..78ac9ce70641 100644
> >>> --- a/arch/arm/mach-sunxi/Kconfig
> >>> +++ b/arch/arm/mach-sunxi/Kconfig
> >>> @@ -59,3 +59,16 @@ config MACH_SUN9I
> >>> select ARM_GIC
> >>>
> >>> endif
> >>> +
> >>> +menuconfig ARCH_SUNXI_V5
> >>> + bool "Allwinner SoCs"
> >>
> >>That name seems a little too generic. Maybe "Allwinner ARMv5 SoCs"?
> >
> > This is already required by armv5.
> >
> > Allwinner currently has only ARMv5,7,8 SoCs. ARMv8 is under
> > arm64 architecture, and ARMv5 and v7 cannot be selected at the same time.
>
> I'm going to try to back my way out of this hole by saying that they
> should be more descriptive anyway (and it'll give clueless kconfiggers
> a hint as to why they're not seeing their SoC listed)
>
> However you're right, if both cannot be visible at the same time, then
> it really doesn't matter if they both have the same name.
>
> Sorry for the noise,

This is definitely not noise, and I agree with you, having whether
you're enabling the v5 or v7 SoCs will hopefully allow to end up in a
situation where you search for hours why it won't boot.

Maxime

--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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