Messages in this thread | | | Date | Mon, 6 Mar 2023 23:36:35 +0100 | Subject | Re: [PATCH 1/2] clk: qcom: gcc-sm6375: Update the .pwrsts for usb gdsc | From | Konrad Dybcio <> |
| |
On 6.03.2023 20:35, Stephen Boyd wrote: > Quoting Konrad Dybcio (2023-03-02 18:29:11) >> The USB controller on sm6375 doesn't retain its state when the system >> goes into low power state and the GDSCs are turned off. >> >> This can be observed by the USB connection not coming back alive after >> putting the device into suspend, essentially breaking USB. >> >> Fix this by updating the .pwrsts for the USB GDSCs so they only >> transition to retention state in low power. > > Is this a temporary fix? Is that why there isn't a Fixes tag? Yeah AFAIU the upstream dwc3-qcom driver is not fully implemented on the suspend front.
If it's a > workaround then please add a TODO comment indicating the USB driver > doesn't work properly. Will do!
Konrad
| |