From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757367AbaELNKU (ORCPT ); Mon, 12 May 2014 09:10:20 -0400 Received: from mail-lb0-f179.google.com ([209.85.217.179]:35244 "EHLO mail-lb0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752740AbaELNKS (ORCPT ); Mon, 12 May 2014 09:10:18 -0400 MIME-Version: 1.0 X-Originating-IP: [46.116.68.234] In-Reply-To: <1399560990-1402858-18-git-send-email-arnd@arndb.de> References: <1399560433-1402630-1-git-send-email-arnd@arndb.de> <1399560990-1402858-1-git-send-email-arnd@arndb.de> <1399560990-1402858-18-git-send-email-arnd@arndb.de> From: Ohad Ben-Cohen Date: Mon, 12 May 2014 16:09:56 +0300 Message-ID: Subject: Re: [PATCH] remoteproc: da8xx: don't select CMA on no-MMU To: Arnd Bergmann Cc: linux-arm , "linux-kernel@vger.kernel.org" , Robert Tivy Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Arnd, On Thu, May 8, 2014 at 5:56 PM, Arnd Bergmann wrote: > We can only use CMA on systems that have an MMU, because of > the requirement to use memory migration. NOMMU systems are > rather constrained to start with, but it seems reasonable > to assume that DMA allocations can still succeed in the > constrained case for remoteproc on NOMMU, so this patch > changes the da8xx implementation to not rely on CMA when > the MMU is disabled. > > Signed-off-by: Arnd Bergmann > Cc: Ohad Ben-Cohen > Cc: Robert Tivy > --- Would you like me to pick this via the remoteproc tree or are you planning to route this set elsewhere anyway? Thanks, Ohad.