Am Donnerstag, 13. Juni 2019, 18:27:45 CEST schrieb Enric Balletbo i Serra:
> As per binding documentation [1], the DWC3 core should have the "ref",
> "bus_early" and "suspend" clocks. As explained in the binding, those
> clocks are required for new platforms but not for existing platforms
> before commit fe8abf332b8f ("usb: dwc3: support clocks and resets for
> DWC3 core").
>
> However, as those clocks are really treated as required, this ends with
> having some annoying messages when the "rockchip,rk3399-dwc3" is used:
>
> [ 1.724107] dwc3 fe800000.dwc3: Failed to get clk 'ref': -2
> [ 1.731893] dwc3 fe900000.dwc3: Failed to get clk 'ref': -2
> [ 2.495937] dwc3 fe800000.dwc3: Failed to get clk 'ref': -2
> [ 2.647239] dwc3 fe900000.dwc3: Failed to get clk 'ref': -2
>
> In order to remove those annoying messages, update the DWC3 hardware
> module node and add all the required clocks. With this change, both, the
> glue node and the DWC3 core node, have the clocks defined, but that's
> not really a problem and there isn't a side effect on do this. So, we
> can get rid of the annoying get clk error messages.
>
> [1] Documentation/devicetree/bindings/usb/dwc3.txt
>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>
applied for 5.3
Thanks
Heiko
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