Re: [RFC PATCH v2 01/14] ARM: add CONFIG_ARCH_SUNXI_V7 for differentiate ARMv5/v7 Allwinner SoCs

From: Maxime Ripard
Date: Tue Nov 20 2018 - 03:40:36 EST


Hi,

On Sun, Nov 18, 2018 at 05:17:00PM +0300, Mesih Kilinc wrote:
> Allwinner also has some ARMv5 SoCs.
>
> In order to add support for them, add a CONFIG_ARCH_SUNXI_V7 bool config
> which is selected when a ARMv7 soc is selected, and make CONFIG_ARCH_SUNXI
> a common option which is selected by both V7 and V5 sunxi option.
>
> Signed-off-by: Icenowy Zheng <icenowy@xxxxxxx>
> Signed-off-by: Mesih Kilinc <mesihkilinc@xxxxxxxxx>

I'm not sure why Icenowy has her SoB here?

> ---
> arch/arm/mach-sunxi/Kconfig | 25 +++++++++++++++++--------
> arch/arm/mach-sunxi/Makefile | 2 +-
> 2 files changed, 18 insertions(+), 9 deletions(-)
>
> diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
> index d9c8ecf..5db17ec 100644
> --- a/arch/arm/mach-sunxi/Kconfig
> +++ b/arch/arm/mach-sunxi/Kconfig
> @@ -6,31 +6,38 @@ menuconfig ARCH_SUNXI
> select GENERIC_IRQ_CHIP
> select GPIOLIB
> select PINCTRL
> - select PM_OPP
> - select SUN4I_TIMER
> select RESET_CONTROLLER
> + help
> + Support for Allwinner ARM-based family of processors
>
> if ARCH_SUNXI
>
> +if ARCH_MULTI_V7
> +
> +config ARCH_SUNXI_V7
> + bool
> + select PM_OPP
> + select SUN4I_TIMER
> +
> config MACH_SUN4I
> bool "Allwinner A10 (sun4i) SoCs support"
> - default ARCH_SUNXI
> + select ARCH_SUNXI_V7

It changes the behaviour a bit. It used to be enabled by default, it
doesn't anymore.

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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