Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757335Ab3DYNLg (ORCPT ); Thu, 25 Apr 2013 09:11:36 -0400 Received: from mail-we0-f171.google.com ([74.125.82.171]:50343 "EHLO mail-we0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754098Ab3DYNLe (ORCPT ); Thu, 25 Apr 2013 09:11:34 -0400 Date: Thu, 25 Apr 2013 14:11:29 +0100 From: Lee Jones To: Linus Walleij Cc: "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , Arnd Bergmann , Linus WALLEIJ Subject: Re: [PATCH 30/32] ARM: ux500: Supply MMC DMA configuration via Device Tree Message-ID: <20130425131129.GK4623@gmail.com> References: <1366279934-30761-1-git-send-email-lee.jones@linaro.org> <1366279934-30761-31-git-send-email-lee.jones@linaro.org> <20130425114931.GJ4623@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1413 Lines: 36 On Thu, 25 Apr 2013, Linus Walleij wrote: > On Thu, Apr 25, 2013 at 1:49 PM, Lee Jones wrote: > > On Thu, 25 Apr 2013, Linus Walleij wrote: > > > >> On Thu, Apr 18, 2013 at 12:12 PM, Lee Jones wrote: > >> > >> > When requesting a channel, a DMA client needs to pass some pieces of > >> > information such as; request channel, device type, channel type and > >> > direction etc. Normally we do this in the form of platform data, but > >> > when DT is enabled we need to pass it using the driver's bindings > >> > instead. > >> > > >> > Signed-off-by: Lee Jones > >> > >> This requires that the pending MMCI patch get merged *first* right? > > > > No, it doesn't. There is no harm in applying this *before*. > > > > It will just lay dormant until it is. > > Ah yeah, right. But the patch stripping out the platform data (no 31) will > wreak havoc if applied before the MMCI patch right? Yes, that will cause problems. It will most likely go into PIO mode. -- Lee Jones Linaro ST-Ericsson Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog -- 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/