From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from out5-smtp.messagingengine.com (out5-smtp.messagingengine.com [66.111.4.29]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 98B2BB6EF7 for ; Fri, 17 Feb 2012 03:24:41 +1100 (EST) Received: from compute6.internal (compute6.nyi.mail.srv.osa [10.202.2.46]) by gateway1.nyi.mail.srv.osa (Postfix) with ESMTP id 009C721147 for ; Thu, 16 Feb 2012 11:24:38 -0500 (EST) Date: Thu, 16 Feb 2012 08:19:00 -0800 From: Greg KH To: Benjamin Herrenschmidt Subject: Re: [PATCH] powerpc/usb: fix bug of kernel hang when initializing usb Message-ID: <20120216161900.GA20827@kroah.com> References: <1329386540-12341-1-git-send-email-Shengzhou.Liu@freescale.com> <1329388755.2892.15.camel@pasglop> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1329388755.2892.15.camel@pasglop> Cc: linux-usb@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, Shengzhou Liu List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Thu, Feb 16, 2012 at 09:39:15PM +1100, Benjamin Herrenschmidt wrote: > On Thu, 2012-02-16 at 18:02 +0800, Shengzhou Liu wrote: > > If USB UTMI PHY is not enable, writing to portsc register will lead to > > kernel hang during boot up. > > Thanks, I'll try that tomorrow. > > Greg, you're picking that up or should I ? I can, if you let me know that this fixes your problem :) thanks, greg k-h