On 29/08/2018 15:29, Chris Brandt wrote: > The newer RZ/A clock control driver no longer registers all its clocks > using DT, therefore the clocks required by this driver are no longer > present at the beginning of boot. > > Because of this, TIMER_OF_DECLARE can no longer be used because this > causes the driver to get probed too early before the parent clock exists, > and the probe will fail with "ostm: Failed to get clock". > > So, we'll change this driver to register/probe during subsys_initcall which > is after the appropriate clocks have been registered. Can the boot constraints [1] solve this issue instead of the changes you are proposing ? [1] https://lwn.net/Articles/747250/ -- <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | <http://twitter.com/#!/linaroorg> Twitter | <http://www.linaro.org/linaro-blog/> Blog