[Letux-kernel] Letux-5.16-rc8 on PinePhone (Developer edition)

H. Nikolaus Schaller hns at goldelico.com
Fri Jan 7 22:54:41 CET 2022



> Am 07.01.2022 um 22:04 schrieb H. Nikolaus Schaller <hns at goldelico.com>:
> 
> Or something completely different:
> 
> [    0.187482] sun4i-usb-phy 1c19400.phy: failed to get clock usb0_phy
> 

I think I now understand what is going wrong.

Before the offending patch, the PHY was simply initialized by u-boot
and continued running.

Now, with this patch, the USB subsystem expects that the linux kernel
driver can initialize and provide the phy. Which fails (even before the
patch was applied) because the usb0_phy clock has some bug.

The question is what is missing or wrong there. It should have been
fixed upstream and others should have noticed the same issue...

BR,
Nikolaus




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