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List:       linux-usb
Subject:    Re: [PATCH] usb: xhci: apply XHCI_SUSPEND_DELAY to AMD XHCI controller 1022:145c
From:       Alberto Mattea <alberto () mattea ! info>
Date:       2020-02-17 16:46:46
Message-ID: 2527163.mvXUDI8C0e () alby
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In data luned́ 17 febbraio 2020 17:30:18 CET, Greg KH ha scritto:
> On Mon, Feb 17, 2020 at 05:07:17PM +0100, Alberto Mattea wrote:
> > In data luned́ 17 febbraio 2020 16:45:38 CET, hai scritto:
> > > On Mon, Feb 17, 2020 at 04:21:50PM +0100, Alberto Mattea wrote:
> > > > Fixes suspend/resume
> > > 
> > > We are going to need a lot more information here, sorry.  Please be
> > > explicit as to what you are doing and why.
> > > 
> > > thanks,
> > > 
> > > greg k-h
> > > 
> > 
> > Sure, what about
> > "This controller timeouts during suspend (S3) with 
> > [  240.521724] xhci_hcd 0000:30:00.3: WARN: xHC save state timeout
> > [  240.521729] xhci_hcd 0000:30:00.3: ERROR mismatched command completion event
> > thus preventing the system from entering S3. Moreover it remains in an undefined state
> > where some connected devices stop working until a reboot.
> > Apply the XHCI_SUSPEND_DELAY quirk to make it suspend properly."
> 
> I sure beats the original 3 words you wrote :)
> 
> 

Great, I'll fix the commit and resend the patch :)


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