Re: [U-Boot] [PATCH v4 16/27] Add spl load feature

On 03/14/2012 09:16 PM, Simon Glass wrote:

+#ifdef CONFIG_SPL_BUILD +static int reserve_stacks_spl(void) +{

• /* Why not -= ? */
• gd->dest_addr_sp += 128; /* leave 32 words for abort-stack */
• gd->irq_sp = gd->dest_addr_sp;
• return 0;

+} +#endif

Please explain what's going on here, and why it's suitable for all (or at least most) SPLs.

And answer your own question about "Why not -=". :-)

-Scott