From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wi0-f179.google.com (mail-wi0-f179.google.com [209.85.212.179]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority" (not verified)) by ozlabs.org (Postfix) with ESMTPS id A449DB6EF1 for ; Wed, 9 May 2012 16:04:33 +1000 (EST) Received: by wibhr2 with SMTP id hr2so52632wib.14 for ; Tue, 08 May 2012 23:04:30 -0700 (PDT) Date: Wed, 9 May 2012 08:04:24 +0200 From: Christoph Fritz To: Neil Zhang Subject: Re: [RFC] [PATCH] usb: gadget: fix dtd dma confusion Message-ID: <20120509060424.GB3910@lovely.krouter> References: <20120410001017.GF2640@local> <20120410021151.GB23044@lovely.krouter> <20120411073918.GA9180@lovely.krouter> <20120509000221.GA19525@lovely.krouter> <175CCF5F49938B4D99B2E3EF7F558EBE1A180E49BA@SC-VEXCH4.marvell.com> <20120509053826.GA3492@lovely.krouter> <175CCF5F49938B4D99B2E3EF7F558EBE1A180E49D9@SC-VEXCH4.marvell.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <175CCF5F49938B4D99B2E3EF7F558EBE1A180E49D9@SC-VEXCH4.marvell.com> Cc: Oliver Neukum , Kukjin Kim , Eric Miao , Li Yang-R58472 , Chen Peter-B29397 , Sascha Hauer , "linux-usb@vger.kernel.org" , Nicolas Ferre , "linuxppc-dev@lists.ozlabs.org" , Felipe Balbi , Ido Shayevitz , Thomas Dahlmann , Estevam Fabio-R49496 , "Hans J. Koch" , Haojian Zhuang , Daniel Mack , Greg Kroah-Hartman , Russell King , Ben Dooks , Fabio Estevam , Chao Xie List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi Neil, thanks for you help. > > > > What about the fix for mv_udc, shouldn't they have a similar > > "limitation"? How do you explain? > > Or maybe someone from Marvell has an answer? > > > > Yes, we encountered the same issue, and I have answered your question several hours ago. > Please have a look. Thanks for that. Relating to the other *udc.c driver, do you think they should implement a similar workaround there too or at least check their errataS? Thanks, -- Christoph