From mboxrd@z Thu Jan 1 00:00:00 1970 From: stillcompiling@gmail.com (Joshua Clayton) Date: Mon, 1 Aug 2016 07:55:10 -0700 Subject: [PATCH v3 0/6] power: add power sequence library In-Reply-To: References: <1469007629-31757-1-git-send-email-peter.chen@nxp.com> <579A2B38.3000202@gmail.com> Message-ID: <579F62CE.1050900@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.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.