From mboxrd@z Thu Jan 1 00:00:00 1970 From: Russell King - ARM Linux Subject: Re: [RFC] Initial attempt to make ARM use LMB Date: Tue, 18 May 2010 09:40:13 +0100 Message-ID: <20100518084013.GA13832@n2100.arm.linux.org.uk> References: <20100513220139.GO3428@atomide.com> <20100513221229.GD13001@n2100.arm.linux.org.uk> <20100514101615.GF10339@n2100.arm.linux.org.uk> <20100517094421.GG23118@n2100.arm.linux.org.uk> <1274091978.2307.49.camel@tubuntu.research.nokia.com> <20100517173715.GA5818@atomide.com> <1274168877.2307.70.camel@tubuntu.research.nokia.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from caramon.arm.linux.org.uk ([78.32.30.218]:46739 "EHLO caramon.arm.linux.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756989Ab0ERIkn (ORCPT ); Tue, 18 May 2010 04:40:43 -0400 Content-Disposition: inline In-Reply-To: <1274168877.2307.70.camel@tubuntu.research.nokia.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Tomi Valkeinen Cc: ext Tony Lindgren , Grazvydas Ignotas , "Shilimkar, Santosh" , "linux-arm-kernel@lists.infradead.org" , "linux-omap@vger.kernel.org" On Tue, May 18, 2010 at 10:47:57AM +0300, Tomi Valkeinen wrote: > Allocating without ioremapping... dma_alloc_* always ioremaps the > allocated area, even though it's never used (in some cases). What do you mean by that? Are you suggesting that something does phys_to_virt() on the returned DMA pointer? Why is it that OMAP seems to do all these _wrong_ things?