linux-kernel - Re: [PATCH v3, 3/3] usb: dwc3: core: Workaround for CSR read timeout

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Date: Wed, 12 Jun 2024 22:15:52 +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, Jos Wang <joswang@...ovo.com>
Subject: Re: [PATCH v3, 3/3] usb: dwc3: core: Workaround for CSR read timeout

On Wed, Jun 12, 2024 at 10:07 PM Greg KH <gregkh@...uxfoundation.org> wrote:
>
> On Wed, Jun 12, 2024 at 09:52:04PM +0800, joswang wrote:
> > On Wed, Jun 12, 2024 at 3:58 PM Greg KH <gregkh@...uxfoundation.org> wrote:
> > >
> > > On Tue, Jun 11, 2024 at 10:29:53PM +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.
> > > >
> > > > Signed-off-by: Jos Wang <joswang@...ovo.com>
> > > > ---
> > > > v1 -> v2:
> > > > - add "dt-bindings: usb: dwc3: Add snps,p2p3tranok quirk" patch
> > > > v2 -> v3:
> > > > - code refactor
> > > > - modify comment, add STAR number, workaround applied in host mode
> > > > - modify commit message, add STAR number, workaround applied in host mode
> > > > - modify Author Jos Wang
> > > > ---
> > > >  drivers/usb/dwc3/core.c | 20 +++++++++++++++++++-
> > > >  1 file changed, 19 insertions(+), 1 deletion(-)
> > >
> > > Should this have a cc: stable line?
> > >
> > > thanks,
> > >
> > > greg k-h
> >
> > I have a question here, please help me confirm
> > 1. Cc: stable@...r.kernel.org or Cc: stable@...nel.org ?
> > 2. Do I need to modify the commit message, for example:
> > Cc: stable@...nel.org
> > Signed-off-by: Jos Wang <joswang@...ovo.com>
> > Cc: stable@...r.kernel.org
> > Signed-off-by: Jos Wang <joswang@...ovo.com>
>
> Please read:
>     https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
> for how to do this properly.

Thank You