[U-Boot] [PATCH 4/7] tools: sunxi: Add spl image builder

[Maxime Ripard <maxime.ripard@free-electrons.com>]

On Fri, Nov 11, 2016 at 11:20:47AM -0500, Tom Rini wrote:
> On Tue, Nov 08, 2016 at 05:21:14PM +0100, Maxime Ripard wrote:
> 
> > This program generates raw SPL images that can be flashed on the NAND with
> > the ECC and randomizer properly set up.
> > 
> > Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
> [snip]
> > +++ b/tools/sunxi-spl-image-builder.c
> > @@ -0,0 +1,1113 @@
> > +/*
> > + * Generic binary BCH encoding/decoding library
> 
> OK, but this is also lib/bch.c and re-using lib/ code for tools is a
> normal best practice.  I'd suggest re-factoring this code in sunxi-tools
> sot that it too borrows lib/bch.c from the kernel (and can re-sync
> bugfixes if needed).  Thanks!

I finally figured that out.

It turns out that the driver was doing a modulo by 0. I guess gcc's
and our libgcc don't have the same behaviour in this case, but in
U-boot's case, the function was simply returning (which is kind of
odd).

I'll send a fix for the driver.

Maxime

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