[U-Boot] [PATCH] Makefile: print warning if CONFIG_SYS_EXTRA_OPTIONS is used

[Maxime Ripard]

On Sat, Feb 18, 2017 at 03:24:53PM +0900, Masahiro Yamada wrote:
> The prompt of this option is marked "DEPRECATED" in capital letters,
> and its help clearly says:
>   This option was prepared for the smooth migration from the old
>   configuration to Kconfig. Since this option will be removed sometime,
>   new boards should not use this option.
> 
> However, we have had almost no progress on this.  In fact, this
> option is often abused for fresh porting, and more and more new
> defconfigs with it are coming in (for example, SUNXI boards).

That's not entirely true. We've added more defconfig, but with the
same set of options we've always had, and are shared by everyone
(CONS_INDEX, RGMII).

So this patch, in effect, gives the signal that it's better to have a
proliferation of board-specific headers in include/configs, over using
SYS_EXTRA until most of the generic functions are merged?

Maxime

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