[U-Boot] [PATCH 2/2] configs: Migrate CONFIG_USB_STORAGE

[Tom Rini]

On Fri, Sep 09, 2016 at 01:52:34PM +0900, Masahiro Yamada wrote:

[snip]
> BTW,
> 
> $ git grep CONFIG_USB=y configs/*_defconfig | wc
>     669     669   30938
> $ git grep CONFIG_USB_STORAGE=y configs/*_defconfig | wc
>     650     650   35349
> 
> 
> With this series, we will have 669 boards with CONFIG_USB.
> Of the 669 boards, 650 boards define CONFIG_USB_STORAGE.
> 
> Perhaps, "default y" might be suitable for USB_STORAGE, but
> we can flip the default later if we find it useful.
> 
> Anyway, let's move forward the Kconfig migration for now.
> If we have all the defines in defconfigs,
> we can reconsider the default and dependency any time later.

Agreed we should put this off until later.  But I think we need to find
the right balance between "defconfigs should be small", "making a new
board should be easy" and "customizing a reference platform to a real
project should be easy".  In the Linux kernel a single board (or so)
defconfig is around 60-80 lines.  We of course don't have quite so many
knobs, but maybe around there is a good goal too.  And looking at what
we have today, yeah, we need to do some thinking about defaults and
similar tricks.

-- 
Tom
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