On Tue, 23 Nov 2010 21:57:04 +0100
Wolfgang Denk <w...@denx.de> wrote:

> Dear Haiying Wang,
> 
> In message <1290525198.1932.3.ca...@haiying-laptop> you wrote:
> >
> > > Please use only one such name (CONFIG_SYS_TPL_BOOT).
> > CONFIG_SYS_TPL_BOOT is used as CONFIG_NAND_U_BOOT in Makefile and header
> > file.
> > CONFIG_TPL_BOOT is used as CONFIG_NAND_SPL in header file.
> 
> I'm sorry, but I have to admit that I don;t understand what you are
> trying to tell me.
> 
> Why do you need XXX when you use it as YYY? Why don't you use YYY
> directly?

CONFIG_NAND_U_BOOT indicates that there is a NAND SPL involved, and is
set in both build stages.

CONFIG_NAND_SPL is set only when building the SPL code itself.

When Haiying said "used as CONFIG_NAND_...", I believe she meant that
the difference between these two symbols is analagous to the difference
between the two NAND symbols -- not that they can be used
interchangeably.

I think the names need to be differentiated by more than just "_SYS",
though.

-Scott

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