linux-kernel - Re: [PATCH v4 2/2] usb: dwc3: Add Google Tensor SoC DWC3 glue driver

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] [day] [month] [year] [list]

Message-ID: <2025110128-jailhouse-situated-22b1@gregkh>
Date: Sat, 1 Nov 2025 07:10:30 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: Roy Luo <royluo@...gle.com>
Cc: Thinh Nguyen <Thinh.Nguyen@...opsys.com>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Philipp Zabel <p.zabel@...gutronix.de>,
	Peter Griffin <peter.griffin@...aro.org>,
	André Draszik <andre.draszik@...aro.org>,
	Tudor Ambarus <tudor.ambarus@...aro.org>,
	Joy Chakraborty <joychakr@...gle.com>,
	Naveen Kumar <mnkumar@...gle.com>,
	Badhri Jagan Sridharan <badhri@...gle.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>,
	"linux-samsung-soc@...r.kernel.org" <linux-samsung-soc@...r.kernel.org>
Subject: Re: [PATCH v4 2/2] usb: dwc3: Add Google Tensor SoC DWC3 glue driver

On Fri, Oct 31, 2025 at 05:49:28PM -0700, Roy Luo wrote:
> > > +         dr_role != DWC3_GCTL_PRTCAP_HOST) {
> > > +             dev_warn(google->dev, "spurious pme irq %d, hibernation %d, dr_role %u\n",
> > > +                      irq, google->is_hibernation, dr_role);
> >
> > Should we limit this print and do we need this to be dev_warn? It may be
> > noisy wouldn't it.
> 
> Ack, will make it WARN_ONCE in the next version.

So you really want to panic your system if this happens (remember, the
HUGE majority of Linux systems run with panic-on-warn enabled)?

Please do not, handle the issue, dump a message to the log if you really
need to, and move on, don't crash.

thanks,

greg k-h