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authorJoseph Lo <josephl@nvidia.com>2013-02-19 18:16:13 +0800
committerStephen Warren <swarren@nvidia.com>2013-03-11 14:29:22 -0600
commitb095ae2b9f35c838257786de27e550d62bd7c763 (patch)
tree52c81ea41fce50f8db6c7732a3d4743182fab57e /arch/arm/mach-orion5x
parentbf161d2163f7b8bf4823829dbc1a14111760187e (diff)
ARM: tegra: don't unlock MMIO access to DBGLAR
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. Signed-off-by: Joseph Lo <josephl@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com>
Diffstat (limited to 'arch/arm/mach-orion5x')
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