Re: [PATCH v3 3/7] clk: Add of_clk_hw_register() API for early clk drivers
From: Stephen Boyd
Date: Wed Apr 10 2019 - 12:49:32 EST
Quoting Jeffrey Hugo (2019-04-08 14:46:11)
> On 4/4/2019 3:53 PM, Stephen Boyd wrote:
> > In some circumstances drivers register clks early and don't have access
> > to a struct device because the device model isn't initialized yet. Add
> > an API to let drivers register clks associated with a struct device_node
> > so that these drivers can participate in getting parent clks through DT.
>
> NACK. This patch broke boot for me. I had to pull the below from JTAG.
No early printk support on this board? Sadness.
> What do you need to debug this?
>
Hopefully nothing.
> [ 0.000000] Unable to handle kernel read from unreadable memory at
> virtual address 0000000000000280
I guess you pass NULL as dev to clk_hw_register(). Will fix! Thanks for
testing.
> [ 0.000000] Mem abort info: