[U-Boot] [PATCH v4 2/5] arm bootm: Do not append zero ATAG_MEM

Tom Rini trini at ti.com
Mon Oct 29 18:37:07 CET 2012


On Sat, Oct 27, 2012 at 05:29:32PM +0200, Marek Vasut wrote:
> Dear Tom Rini,
> 
> > On Fri, Oct 19, 2012 at 02:00:05PM +0200, Pali Roh??r wrote:
> > > If dram bank size is calculated at runtime, it can be zero on some
> > > boards. This patch added code which ignore these zero bank size in
> > > ATAG_MEM.
> > > 
> > > Signed-off-by: Pali Roh??r <pali.rohar at gmail.com>
> > 
> > My reading of the kernel's arm_add_memory says that empty ATAG_MEM tags
> > are handled correctly (which is to say, parsed and found as -EINVAL).
> > So if we _have_to_ we can add this change.
> 
> I don't think we _have_to_ ... 

Indeed.  After talking with Pali on irc some more and checking things
again, we can simply drop this patch.  Other platforms pass 0 size
ATAG_MEM to the kernel and have for ages, so it's handled.

-- 
Tom
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