Quoting (2021-01-31 09:04:28) > This clock must be always enabled to allow access to any registers in > fsys1 CMU. Until proper solution based on runtime PM is applied > (similar to what was done for Exynos5433), fix this by calling > clk_prepare_enable() directly from clock provider driver. > > It was observed on Samsung Galaxy S6 device (based on Exynos7420), where > UFS module is probed before pmic used to power that device. > In this case defer probe was happening and that clock was disabled by > UFS driver, causing whole boot to hang on next CMU access. > Does this need a Fixes tag?
