From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [PATCH] OMAP: iommu flush page table entries from L1 and L2 cache Date: Mon, 18 Apr 2011 16:13:43 +0200 Message-ID: <201104181613.43572.arnd@arndb.de> References: <1302817968-28516-1-git-send-email-fernando.lugo@ti.com> <201104181358.53521.arnd@arndb.de> Mime-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from moutng.kundenserver.de ([212.227.17.10]:64913 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753197Ab1DROOK (ORCPT ); Mon, 18 Apr 2011 10:14:10 -0400 In-Reply-To: Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Kyungmin Park Cc: Tony Lindgren , Marek Szyprowski , Andrzej Pietrasiewicz , Hari Kanigeri , Russell King - ARM Linux , Fernando Guzman Lugo , Hiroshi DOYU , linux-kernel@vger.kernel.org, Ramesh Gupta , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org On Monday 18 April 2011, Kyungmin Park wrote: > On Mon, Apr 18, 2011 at 8:58 PM, Arnd Bergmann wrote: > > > > One missing piece is still a way for a platform to provide both > > the iommu and the dma-mapping API in a unified driver. Right now, > > you have to export both interface for a generic solution. > > Actually MSM and we (Michal, Marek) tried to merge the generic IOMMU > implementation into mm, but MM did't accept it. I'm confused. What do you mean with MM? > So now it's implemented at each SoCs. I think it's good chance to make > a generic IOMMU feature for ARM consolidation. > > Before this idea, can you review our implementation at above URL? I've commented on the main implementation for the IOMMU now. Arnd From mboxrd@z Thu Jan 1 00:00:00 1970 From: arnd@arndb.de (Arnd Bergmann) Date: Mon, 18 Apr 2011 16:13:43 +0200 Subject: [PATCH] OMAP: iommu flush page table entries from L1 and L2 cache In-Reply-To: References: <1302817968-28516-1-git-send-email-fernando.lugo@ti.com> <201104181358.53521.arnd@arndb.de> Message-ID: <201104181613.43572.arnd@arndb.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Monday 18 April 2011, Kyungmin Park wrote: > On Mon, Apr 18, 2011 at 8:58 PM, Arnd Bergmann wrote: > > > > One missing piece is still a way for a platform to provide both > > the iommu and the dma-mapping API in a unified driver. Right now, > > you have to export both interface for a generic solution. > > Actually MSM and we (Michal, Marek) tried to merge the generic IOMMU > implementation into mm, but MM did't accept it. I'm confused. What do you mean with MM? > So now it's implemented at each SoCs. I think it's good chance to make > a generic IOMMU feature for ARM consolidation. > > Before this idea, can you review our implementation at above URL? I've commented on the main implementation for the IOMMU now. Arnd