Re: [PATCH v2 RESEND] usb: dwc3: core: Fix ULPI PHYs and prevent phy_get/ulpi_init during suspend/resume
From: Felipe Balbi
Date: Thu Nov 15 2018 - 03:09:13 EST
Hi,
Todor Tomov <todor.tomov@xxxxxxxxxx> writes:
> Hello,
>
> After I apply this patch on 4.14 (or receive it with 4.14.70) I see a regression with
> the Qualcomm QUSB2 phy driver. I'm testing on a Dragonboard 820c.
> In boot log I get:
>
> [ 4.525502] phy phy-7412000.phy.6: QUSB2PHY pll lock failed: status reg = 0
> [ 4.529232] phy phy-7412000.phy.6: phy init failed --> -16
> [ 4.536170] dwc3 7600000.dwc3: failed to initialize core
> [ 4.541743] dwc3: probe of 7600000.dwc3 failed with error -16
> [ 4.549979] phy phy-7411000.phy.5: QUSB2PHY pll lock failed: status reg = 0
> [ 4.552843] phy phy-7411000.phy.5: phy init failed --> -16
> [ 4.559606] dwc3 6a00000.dwc3: failed to initialize core
> [ 4.565181] dwc3: probe of 6a00000.dwc3 failed with error -16
>
> I can provide a full log if needed.
please do. Also, try mainline and let us know if the problem
persists. Why do you get -EBUSY from the PHY driver?
-
balbi