lkml.org 
[lkml]   [2018]   [Nov]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v2 RESEND] usb: dwc3: core: Fix ULPI PHYs and prevent phy_get/ulpi_init during suspend/resume
From
Date
Hi,

On 15.11.2018 10:09, Felipe Balbi wrote:
>
> Hi,
>
> Todor Tomov <todor.tomov@linaro.org> 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

This is the full log on 4.14.69 + this patch: https://paste.ubuntu.com/p/N5WdHw47QC/
I also managed to get a log from 4.20.0-rc2 and I see the same error: https://paste.ubuntu.com/p/jz6fvYyZh6/

> persists. Why do you get -EBUSY from the PHY driver?

Maybe I could have proposed a fix if I knew but I don't know.

Best regards,
Todor

>
> -
> balbi
>

\
 
 \ /
  Last update: 2018-11-16 18:01    [W:0.061 / U:2.508 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site