[PATCH v2 0/2] rockchip: Fix devices suspend freeze on RK3568/RK3566
Heiko Stuebner
heiko at sntech.de
Thu Jul 2 11:00:32 PDT 2026
Hi Jonas,
Am Mittwoch, 24. Juni 2026, 21:27:23 Mitteleuropäische Sommerzeit schrieb Jonas Karlman:
> This series fixes a system freeze during suspend in ohci_suspend() due
> to clk_usbphy1_480m not being enabled when EHCI/OHCI registers are
> accessed on e.g. a Raxa ROCK 3C board.
>
> Following pm_test modes work on my ROCK 3C with the missing usbphy clk
> refs added:
>
> echo N > /sys/module/printk/parameters/console_suspend
>
> echo devices > /sys/power/pm_test
> echo platform > /sys/power/pm_test
> echo processors > /sys/power/pm_test
> echo core > /sys/power/pm_test
>
> echo mem > /sys/power/state
>
> Changes in v2:
> - Include rockchip,rk3588-ehci in the EHCI constraint
> - Make clocks prop required for EHCI and OHCI
> - Collect t-b tag
>
> Jonas Karlman (2):
> dt-bindings: usb: Add Rockchip RK3568 compatible for EHCI and OHCI
it seems I wasn't in Cc for the first patch, so can't know if and when
that gets/got applied.
Also I think I remember Greg preferring not having to split apart patch
series', so I think the binding patch might be better off standing alone.
Heiko
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