[U-Boot] [PATCH] NAND: Allow nand_ids and nand_bbt to be compiled in SPL

[Scott Wood <scottwood@freescale.com>]

On 01/05/2012 06:41 PM, Tom Rini wrote:
> On Thu, Jan 5, 2012 at 4:04 PM, Scott Wood <scottwood@freescale.com> wrote:
>> Whatever the set of things is that you want to pull in for these SPLs,
>> it needs to be a separate config option from the one that enables
>> libnand.o to be included, so that other SPLs can pull in smaller NAND
>> implementations.
>>
>> Is there any reason to keep defines like CONFIG_SPL_NAND_SUPPORT (versus
>> LIBS-y += drivers/mtd/nand/libnand.o), if everything within that
>> directory needs a separate config symbol to enable it inside an SPL
>> (just like a normal build)?
> 
> I think you've got it backwards.  What CONFIG_SPL_NAND_SUPPORT enables
> today is more bloated than required as our 'magic' isn't working.

I realize this isn't the case today -- but it's where we need to go,
since gc-sections doesn't do the job.  I was saying that I think we can
get rid of CONFIG_SPL_NAND_SUPPORT once we change to a model where every
bit of code within the directory needs some other config symbol to pull
it in.

-Scott