[PATCH] ARM: tegra: don't unlock MMIO access to DBGLAR

[Stephen Warren]

On 02/19/2013 03:16 AM, Joseph Lo wrote:
> There is no need to unlock MMIO access to the DBGLAR all the time. Doing
> so may even cause problems if a SW bug causes writes to that MMIO region.
> 
> Cortex-A15 processors do not support the CP14 register write the code
> currently uses to unlock the DBGLAR; the instruction throws an undefined
> instruction exceptions. This prevents tegra_secondary_startup() from
> executing on Tegra114, and hence prevents SMP.
> 
> Remove the code that unlocks this access.

I have applied this to Tegra's for-3.10/fixes branch.