From mboxrd@z Thu Jan 1 00:00:00 1970 From: zonque@gmail.com (Daniel Mack) Date: Thu, 18 Jul 2013 14:02:24 +0200 Subject: [PATCH] ARM: omap2: fix musb usage for n8x0 In-Reply-To: <51E7B81A.70103@denx.de> References: <1374000777-5626-1-git-send-email-zonque@gmail.com> <51E7B1FF.6000301@denx.de> <51E7B2FA.7020206@ti.com> <51E7B81A.70103@denx.de> Message-ID: <51E7D950.60900@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 18.07.2013 11:40, Stefan Roese wrote: > On 07/18/2013 11:18 AM, Kishon Vijay Abraham I wrote: >>> I'm testing musb as OTG on beagleboard (old one, not Beagle-xm). And >>> using the latest kernel.org version with this patch applied I see the >>> following messages while booting (repeatedly): >>> >>> [ 4.998168] usb usb1: bus auto-suspend, wakeup 1 >>> [ 5.003112] musb_bus_suspend 2457: trying to suspend as b_idle while active >>> [ 5.010498] usb usb1: bus suspend fail, err -16 >>> [ 5.015289] hub 1-0:1.0: hub_resume >>> [ 5.019073] hub 1-0:1.0: state 7 ports 1 chg 0000 evt 0000 >>> [ 5.024963] hub 1-0:1.0: hub_suspend >>> [ 5.028778] usb usb1: bus auto-suspend, wakeup 1 >>> ... >>> >>> This is without a cable connected to the OTG port. >>> >>> Any ideas what might be missing here? >> >> Even I observed these prints when I have dual mode enabled. When kept as gadget >> only mode I dint see these prints. > > Yes. With gadget-only I don't see those messages. Thanks for the hint. So in which mode does your port operate then? Gadget or dual-role? And I take it this does not happen with 3.10? Unfortunately, I have no board here anymore with such a port in dual-role mode ... Daniel