[U-Boot] [PATCH] arm: ls1021atwr: optimize the deep sleep latency

[York Sun]

>> Yuantian,
>>
>> Please explain more why the second stage u-boot is reserved? Wouldn't
>> Linux overwrite the memory?
>>
> If both CONFIG_DEEP_SLEEP and CONFIG_SD_BOOT are defined,
> The DDR memory the second stage uboot occupied whould be reserved.
> It is achieved in commit: 41ba57d0c which is the first patch to add the deep sleep support.
> 
> This patch doesn't reserve any memory, it just utilized the fact that the second stage uboot has been reserved already if deep sleep is enabled.
> 

Thanks for explanation.

York