linux-kernel - Re: [PATCH v7] usb: dwc3: core: Workaround for CSR read timeout

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAMtoTm06MTJ_Gc4NvenycvWRxhLSaPptT1DLvBRs4RWVZO9Y_g@mail.gmail.com>
Date: Fri, 21 Jun 2024 09:40:10 +0800
From: joswang <joswang1221@...il.com>
To: Greg KH <gregkh@...uxfoundation.org>, Thinh Nguyen <Thinh.Nguyen@...opsys.com>
Cc: linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org, 
	stable@...r.kernel.org, Jos Wang <joswang@...ovo.com>
Subject: Re: [PATCH v7] usb: dwc3: core: Workaround for CSR read timeout

On Fri, Jun 21, 2024 at 1:16 AM Greg KH <gregkh@...uxfoundation.org> wrote:
>
> On Wed, Jun 19, 2024 at 07:45:29PM +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>
>
> What commit id does this fix?  How far back should it be backported in
> the stable releases?
>
> thanks,
>
> greg k-h

Hello Greg Thinh

It seems first begin from the commit 1e43c86d84fb ("usb: dwc3: core:
Add DWC31 version 2.00a controller")
in 6.8.0-rc6 branch ?

Thanks

Jos Wang