linux-kernel - Re: [PATCH 3/5] xhci: Switch Intel Lynx Point ports to EHCI on shutdown.

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: <20140424194948.GC12809@kroah.com>
Date:	Thu, 24 Apr 2014 12:49:48 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Mathias Nyman <mathias.nyman@...ux.intel.com>
Cc:	linux-usb@...r.kernel.org, sarah.a.sharp@...ux.intel.com,
	linux-kernel@...r.kernel.org,
	Denis Turischev <denis.turischev@...pulab.co.il>,
	Denis Turischev <denis@...pulab.co.il>
Subject: Re: [PATCH 3/5] xhci: Switch Intel Lynx Point ports to EHCI on
 shutdown.

On Tue, Apr 22, 2014 at 03:23:00PM +0300, Mathias Nyman wrote:
> From: Denis Turischev <denis.turischev@...pulab.co.il>
> 
> The same issue like with Panther Point chipsets. If the USB ports are
> switched to xHCI on shutdown, the xHCI host will send a spurious interrupt,
> which will wake the system. Some BIOS have work around for this, but not all.
> One example is Compulab's mini-desktop, the Intense-PC2.
> 
> The bug can be avoided if the USB ports are switched back to EHCI on
> shutdown.
> 
> Signed-off-by: Denis Turischev <denis@...pulab.co.il>
> Signed-off-by: Mathias Nyman <mathias.nyman@...ux.intel.com>
> ---
>  drivers/usb/host/xhci-pci.c | 2 ++
>  1 file changed, 2 insertions(+)

No stable marking?  Why not?

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/