arm64: tegra21: emc: Make sure the DLL always has a clock
authorAlex Waterman <alexw@nvidia.com>
Mon, 23 May 2016 20:58:15 +0000 (13:58 -0700)
committermobile promotions <svcmobile_promotions@nvidia.com>
Fri, 29 Jul 2016 11:30:27 +0000 (04:30 -0700)
commitbd23709709d6dcd39cb14bd38b5df9d3da4a180e
treeaa15a319f311a7c826b7bc37a42dc7e189d90b06
parent663aec72cc37f0c14c8405a19a12232ce5338499
arm64: tegra21: emc: Make sure the DLL always has a clock

Ensure the DLL always has a clock. If it does not then the DLL will
not be able to swap to a new clock source. That is to say the DLL
requires both the old and new clock source to be active when its
source is changed.

Bug 1655375

Change-Id: I796725b95628d7ea6753d7986af74324e9c1489b
Signed-off-by: Alex Waterman <alexw@nvidia.com>
Reviewed-on: http://git-master/r/1152001
(cherry picked from commit e0a23c1f4a99a88b09faedd82dbdba64fc138bec)
Reviewed-on: http://git-master/r/1185062
GVS: Gerrit_Virtual_Submit
Tested-by: Robert Collins <rcollins@nvidia.com>
Reviewed-by: Akhilesh Khumbum <akhumbum@nvidia.com>
Reviewed-by: Robert Collins <rcollins@nvidia.com>
drivers/platform/tegra/mc/tegra21_emc_cc_r21015.c