From: Quentin Schulz <quentin.schulz@xxxxxxxxxxxxxxxxxxxxx> From: Bin Yang <yangbin@xxxxxxxxxxxxxx> The usb phys need to be controlled dynamically on some Rockchip SoCs. So set the new HCD flag which prevents USB core from trying to manage our phys. Signed-off-by: Bin Yang <yangbin@xxxxxxxxxxxxxx> Signed-off-by: Frank Wang <frank.wang@xxxxxxxxxxxxxx> Signed-off-by: Quentin Schulz <quentin.schulz@xxxxxxxxxxxxxxxxxxxxx> --- drivers/usb/dwc2/hcd.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c index 657f1f659ffaf..757a66fa32fa8 100644 --- a/drivers/usb/dwc2/hcd.c +++ b/drivers/usb/dwc2/hcd.c @@ -5315,6 +5315,13 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg) if (!IS_ERR_OR_NULL(hsotg->uphy)) otg_set_host(hsotg->uphy->otg, &hcd->self); + /* + * do not manage the PHY state in the HCD core, instead let the driver + * handle this (for example if the PHY can only be turned on after a + * specific event) + */ + hcd->skip_phy_initialization = 1; + /* * Finish generic HCD initialization and start the HCD. This function * allocates the DMA buffer pool, registers the USB bus, requests the -- b4 0.10.1