[U-Boot] [PATCH] tegra20: add back USE_PRIVATE_LIBGCC

[Lucas Stach <dev@lynxeye.de>]

Am Dienstag, den 07.08.2012, 11:00 -0600 schrieb Stephen Warren:
> On 08/06/2012 06:19 PM, Lucas Stach wrote:
> > As discussed here [http://patchwork.ozlabs.org/patch/158202/] we want to
> > use USE_PRIVATE_LIBGCC still.
> > 
> > However commit 5286f1ce dropped it regardless. Adding this back fixes a
> > hang while handing over from SPL to U-Boot on Colibri T20.
> 
> This probably makes sense, but Allen should comment on this.
> 
> I wonder why I haven't seen any issue with this; perhaps SPL on all the
> boards I tested ended up not using any libgcc functions? But in that
> case, why would the Colibri board end up using them?
> 
Could also be a toolchain issue. My normal workflow uses a toolchain
without a libgcc, as we didn't needed it to this point.
After porting over my changes to the new SPL boot I had to switch to a
CodeSourcery toolchain containing a libgcc. So I'm not entirely sure
where the problem lies, as I varied codebase and toolchain at one. But I
confirmed that this patch works with both of my toolchains.

So yes, I'm really in favour of some comments.

Thanks,
Lucas