From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joshua Clayton Subject: Re: [PATCH v3 0/6] power: add power sequence library Date: Mon, 1 Aug 2016 07:55:10 -0700 Message-ID: <579F62CE.1050900@gmail.com> References: <1469007629-31757-1-git-send-email-peter.chen@nxp.com> <579A2B38.3000202@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Fabio Estevam Cc: Peter Chen , Greg Kroah-Hartman , Alan Stern , Ulf Hansson , Mark Brown , Sebastian Reichel , "robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org" , Shawn Guo , Dmitry Eremin-Solenikov , David Woodhouse , =?UTF-8?Q?Krzysztof_Koz=c5=82owski?= , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , Philipp Zabel , "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , Pawel Moll , Mark Rutland , USB list , Arnd Bergmann , Sascha Hauer , "Maciej S. Szmigiero" , Troy List-Id: devicetree@vger.kernel.org On 07/28/2016 09:41 AM, Fabio Estevam wrote: > Hi Joshua, > > On Thu, Jul 28, 2016 at 12:56 PM, Joshua Clayton > wrote: > >> I assume there is a v4 coming due to rmk's comments on patch 5. >> I couldn't figure out where to null the of_node in error paths, but in testing >> we did put a line of code to null the of_node on release. >> >> but... >> As an aside, >> I was hoping this series would magically fix a problem >> with the imx6q-evi which has forced us to disable >> runtime power management. But it did not. :( > I also see a similar problem on a mx28 board with a hub. > > Does it help in your case if you pass 'usbcore.autosuspend=-1' in the > kernel command line? > > Regards, > > Fabio Estevam Thanks a million, Fabio! 'usbcore.autosuspend=-1' quiets the errors. ~joshua P.S. I guess this technically is a bug in chipidea usb. I'll give it a quick once over, though I am not very familiar with USB core or the CI driver. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html