[U-Boot] [PATCH 1/3] common: add ifdefs around bouncebuf.c body

[Marek Vasut <marex@denx.de>]

Dear Stephen Warren,

> On 11/05/2012 05:54 PM, Marek Vasut wrote:
> > Dear Stephen Warren,
> > 
> >> From: Stephen Warren <swarren@nvidia.com>
> >> 
> >> If a U-Boot config file enables CONFIG_BOUNCE_BUFFER only for the main
> >> U-Boot build and not for the SPL, then config.mk will contain
> >> CONFIG_BOUNCE_BUFFER=y, so common/Makefile will build bouncebuf.c for
> >> both the SPL and main U-Boot, but config.h won't set
> >> CONFIG_BOUNCE_BUFFER for the SPL, so bouncebuf.h will provide static
> >> inline functions, which will conflict with the compiled bouncebuf.c.
> >> Solve this by guarding the body of bouncebuf.c with the ifdef to avoid
> >> conflicts.
> > 
> > Uh, don't you want the bounce buffer not compiled in for SPL? Then maybe
> > add CONFIG_SPL_BOUNCE_BUFFER to force BB to be compiled into SPL or
> > something ...
> 
> Not compiling bouncebuf.c for SPL would solve this too. I have no idea
> what build system contortions would be required to do this though. Do
> you think the build system should be fixed first rather than taking this
> series/patch?
> 
> I guess we shouldn't need a separate CONFIG_SPL_BOUNCE_BUFFER option
> though; we should rather simply set CONFIG_SPL_BOUNCE_BUFFER
> appropriately for SPL and non-SPL, and have everything key off that one
> variable, right?

How will you be able to configure it separately for spl and non-spl ?

Best regards,
Marek Vasut