Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S967181Ab3DRPOF (ORCPT ); Thu, 18 Apr 2013 11:14:05 -0400 Received: from mo-p00-ob.rzone.de ([81.169.146.161]:27374 "EHLO mo-p00-ob.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S966889Ab3DRPOD (ORCPT ); Thu, 18 Apr 2013 11:14:03 -0400 X-RZG-AUTH: :P20JeEWkefDI1ODZs1HHtgV3eF0OpFsRaGIBBWYxhJvJPtnXtogBWn6YvUkYzDKvBT07wx/0LJ4BNA== X-RZG-CLASS-ID: mo00 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Date: Thu, 18 Apr 2013 17:13:39 +0200 From: michael-dev To: Shengzhou Liu Cc: , Greg Kroah-Hartman , , Alan Stern , Subject: Re: [Projekt-wlan] Regression in 3735ba8db8e6ea22ad3ff524328926d8d780a884 with Freescale P1020 Reply-To: Mail-Reply-To: In-Reply-To: <3F453DDFF675A64A89321A1F3528102199A20F@039-SN1MPN1-004.039d.mgd.msft.net> References: <20130417100809.GA8855@dynamic.fami-braun.de> <3F453DDFF675A64A89321A1F3528102199A20F@039-SN1MPN1-004.039d.mgd.msft.net> Message-ID: <751900163975fc8d055bd2414c76d59b@fami-braun.de> User-Agent: Roundcube Webmail/0.8.5 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2408 Lines: 73 Hi, thanks for the quick reply. > Please review the patch http://patchwork.ozlabs.org/patch/237201/ I applied it, but it does not make any difference on my platform. Regards, M. Braun Am 17.04.2013 12:53, schrieb Liu Shengzhou-B36685: > Hi Braun, > > It seems the duplicated tdi_reset caused the PHY_CLK_VALID bit > unstable, > introduced by patch "EHCI: centralize controller initialization". > I submitted a patch to fix it. > Please review the patch http://patchwork.ozlabs.org/patch/237201/ > > Regards, > Shengzhou > > >> -----Original Message----- >> From: Michael Braun [mailto:michael-dev@fami-braun.de] >> Sent: Wednesday, April 17, 2013 6:08 PM >> To: Liu Shengzhou-B36685 >> Cc: Alan Stern; projekt-wlan@fem.tu-ilmenau.de; Greg Kroah-Hartman; >> linux-usb@vger.kernel.org; linux-kernel@vger.kernel.org >> Subject: Regression in 3735ba8db8e6ea22ad3ff524328926d8d780a884 with >> Freescale P1020 >> >> Hi, >> >> I'm running OpenWRT Kernel 3.8.3 (which already has >> f66dea709cd9309b2ee9f715697818001fb518de and >> 5ed338778f917a035f0f0a52327fc4f72e36f7a1 applied) on a P1020WLAN >> (QorlQ, >> PPC) device. >> Before updating the kernel from 3.3.0, USB host support was working >> fine. >> Now I get "fsl-ehci: USB PHY clock invalid" messages in dmesg and the >> lsusb output is empty, so USB host support is not working. When I >> apply >> the following patch, USB host support starts working again, so I >> guess >> 3735ba8db8e6ea22ad3ff524328926d8d780a884 is the cause. >> Do you have an idea how to fix it more appropriately? >> >> Thanks, >> M. Braun >> >> --- a/drivers/usb/host/ehci-fsl.c 2013-04-15 21:13:52.924403077 >> +0200 >> +++ b/drivers/usb/host/ehci-fsl.c 2013-04-15 21:13:57.572410838 >> +0200 >> @@ -273,7 +273,6 @@ static int ehci_fsl_setup_phy(struct usb >> if (!spin_event_timeout(in_be32(non_ehci + >> FSL_SOC_USB_CTRL) & >> PHY_CLK_VALID, >> FSL_USB_PHY_CLK_TIMEOUT, >> 0)) { >> printk(KERN_WARNING "fsl-ehci: USB PHY clock >> invalid\n"); >> - return -EINVAL; >> } >> } >> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/