arm: tegra: PLLX LP/G ports switching ON/OFF
authorPrem Sasidharan <psasidharan@nvidia.com>
Thu, 5 Jul 2012 18:56:14 +0000 (11:56 -0700)
committerVarun Wadekar <vwadekar@nvidia.com>
Mon, 30 Jul 2012 10:34:15 +0000 (15:34 +0530)
commitc558aba9349de461977924599c995ab877c952e6
treed291b42f905566e5a3f908b6d70fa78f1f301fec
parent75a25556bc5248a4618e3785cf051bf10a4e2089
arm: tegra: PLLX LP/G ports switching ON/OFF

Enable target PLLX port(LP/G) before cluster switch and disable
the previous PLLX port(LP/G) after cluster switch is finished.
Seeing a power improvement of ~10mW when core operates at
max. voltage and max. frequency.

Bug 997358
Signed-off-by: Prem Sasidharan <psasidharan@nvidia.com>
Change-Id: I9d05245977f9f63a8f4c53b1c6797118d2d8b903
Reviewed-on: http://git-master/r/113399
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
arch/arm/mach-tegra/pm-t3.c