RFC ARM: Add default system.h and uncompress.h
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Cover letter [RFC PATCH 0/3] ARM: Add default system.h and uncompress.h
Quoted 4 lines · Russell King - ARM Linux
Quoted 2 lines · Rob Herring
One downside is you lose print capability in the decompressor. However, I don't think the complexity that adds is worth the 1 line print.
Quoted 8 lines
You're wrong there - it's very very useful to have that from the decompressor. It's saved many people (including us) a lot of wasted time caused by faulty hardware implementation.
Normally, if the design of the SDRAM connections is poor, the first thing which catches it is the decompressor, and so its that which we really want error information from.
Agreed. I have seen that case as well, but generally only very early on in board/chip bringup. Really, bootloaders need a decent memory test or ability to load one.
Quoted 1 line
So no, losing that ability is not an option. Really.
If a platform has an uncompress.h, then you don't lose anything. Is it something that has to *always* be available? Are you opposed to a config option here? It can be available only for single arch/machine builds similar to DEBUG_LL.
Rob