linux-kernel - Re: [PATCH v6] usb: dwc3: core: Workaround for CSR read timeout

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Message-ID: <CAMtoTm3+eSCeF_FQtyBZ1Yb43Sb_ABKDQv7zEueAHwXYGnv72Q@mail.gmail.com>
Date: Wed, 19 Jun 2024 19:18:48 +0800
From: joswang <joswang1221@...il.com>
To: Greg KH <gregkh@...uxfoundation.org>
Cc: Thinh.Nguyen@...opsys.com, linux-usb@...r.kernel.org, 
	linux-kernel@...r.kernel.org, stable@...r.kernel.org, 
	Jos Wang <joswang@...ovo.com>
Subject: Re: [PATCH v6] usb: dwc3: core: Workaround for CSR read timeout

On Wed, Jun 19, 2024 at 1:10 PM Greg KH <gregkh@...uxfoundation.org> wrote:
>
> On Wed, Jun 19, 2024 at 01:01:25PM +0800, joswang wrote:
> > From: Jos Wang <joswang@...ovo.com>
> >
> > This is a workaround for STAR 4846132, which only affects
> > DWC_usb31 version2.00a operating in host mode.
> >
> > There is a problem in DWC_usb31 version 2.00a operating
> > in host mode that would cause a CSR read timeout When CSR
> > read coincides with RAM Clock Gating Entry. By disable
> > Clock Gating, sacrificing power consumption for normal
> > operation.
> >
> > Cc: stable@...r.kernel.org
> > Signed-off-by: Jos Wang <joswang@...ovo.com>
> > ---
> > v5 -> v6: no change
> > v4 -> v5: no change
>
> If there was no change, why was there new versions submitted?  Please
> always document what was done.
>
> greg k-h

Ok, I will submit a new version and add the differences.

Thanks,
Jos Wang