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usb: dwc2: prevent core phy initialisation

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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.

Change-Id: I2d1197f42fe49bc4e454954481f344256fddb557
Signed-off-by: Bin Yang <yangbin@rock-chips.com>
Signed-off-by: Frank Wang <frank.wang@rock-chips.com>
This commit is contained in:
Bin Yang
2019-10-18 20:51:12 +08:00
committed by Frank Wang
parent d37572ddf9
commit 964d50060b
1 changed files with 7 additions and 0 deletions
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7
drivers/usb/dwc2/hcd.c
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@@ -5239,6 +5239,13 @@ 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