linux-kernel - Re: commit 3497b9a5 (usb: dwc3: add power down scale setting) breaks imx8mp

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Date:   Thu, 16 Feb 2023 15:29:23 +0100
From:   "Linux regression tracking #update (Thorsten Leemhuis)" 
        <regressions@...mhuis.info>
To:     Rasmus Villemoes <rasmus.villemoes@...vas.dk>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Li Jun <jun.li@....com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        "regressions@...ts.linux.dev" <regressions@...ts.linux.dev>
Subject: Re: commit 3497b9a5 (usb: dwc3: add power down scale setting) breaks
 imx8mp

[TLDR: This mail in primarily relevant for Linux kernel regression
tracking. See link in footer if these mails annoy you.]

On 06.01.23 13:05, Linux kernel regression tracking (#adding) wrote:

> On 06.01.23 12:54, Rasmus Villemoes wrote:
>> We have an imx8mp board with a lan7801 usb ethernet chip hardwired on
>> the PCB, which is used as the host port for a Microchip KSZ9567 switch.
>>
>> While trying to update the kernel to 6.1.y, I found something quite
>> weird: When the switch was being probed for the second time (the first
>> ends with a standard -EPROBE_DEFER), the board would spontaneously reset.
> #regzbot ^introduced 3497b9a5c8c
> #regzbot title usb: dwc3: imx8mp broken
> #regzbot ignore-activity

#regzbot fix: 8a1ed98fe0f2e76
#regzbot ignore-activity

Ciao, Thorsten (wearing his 'the Linux kernel's regression tracker' hat)
--
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