[U-Boot] [RFC PATCH 0/21] ARM: start to move SoC code into arch/arm/mach-*

[Stephen Warren]

On 01/31/2015 08:20 PM, Simon Glass wrote:
> Hi Albert,
>
> On 31 January 2015 at 20:02, Albert ARIBAUD <albert.u.boot at aribaud.net> wrote:
>> Hello Masahiro,
>>
>> On Sun, 25 Jan 2015 15:11:02 +0900, Masahiro Yamada
>> <yamada.m at jp.panasonic.com> wrote:
>>>
>>> This series can be applied on the current u-boot/master
>>> (commit 37b608a52dcb133)
>>
>> I'd rather not have all mach-* directories just below arch/arm/. Can't
>> they be created under arch/arm/soc/ instead? That would give a cleaner
>> structure IMO.
>
> It does save a level and I am forever typing cpu/armv7 to get what
> feels like nowhere...this is what the kernel does and it does seem
> convenient.

Do note that arch/arm/mach* doesn't/won't entirely match what the Linux 
kernel does.

In Linux, arch/arm64 doesn't have mach-* sub-directories, and the 
arm/arm64 architectures are different so don't share the code in 
arch/arm/mach-tegra, so there's work underway to move stuff out of 
arch/arm/mach-tegra and into either appropriate subsystem directories or 
drivers/soc/tegra.

Given all that, I suspect we should decide the directory layout of 
U-Boot based on what's best for U-Boot, not by trying to chase the 
changing target of the Linux kernel.