From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from VA3EHSOBE001.bigfish.com (va3ehsobe001.messaging.microsoft.com [216.32.180.11]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client CN "mail.global.frontbridge.com", Issuer "Cybertrust SureServer Standard Validation CA" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id B517EB7126 for ; Thu, 11 Nov 2010 22:26:17 +1100 (EST) Received: from mail127-va3 (localhost.localdomain [127.0.0.1]) by mail127-va3-R.bigfish.com (Postfix) with ESMTP id 9ACD8F58463 for ; Thu, 11 Nov 2010 11:26:11 +0000 (UTC) Received: from VA3EHSMHS009.bigfish.com (unknown [10.7.14.241]) by mail127-va3.bigfish.com (Postfix) with ESMTP id 72A0F1C2004E for ; Thu, 11 Nov 2010 11:26:11 +0000 (UTC) Received: from de01smr02.am.mot.com (de01smr02.freescale.net [10.208.0.151]) by de01egw02.freescale.net (8.14.3/8.14.3) with ESMTP id oABBQ3fE022417 for ; Thu, 11 Nov 2010 04:26:03 -0700 (MST) Received: from zch01exm26.fsl.freescale.net (zch01exm26.ap.freescale.net [10.192.129.221]) by de01smr02.am.mot.com (8.13.1/8.13.0) with ESMTP id oABBhIvb025657 for ; Thu, 11 Nov 2010 05:43:19 -0600 (CST) From: Li Yang To: Subject: [PATCH v2] fsldma: add support to 36-bit physical address Date: Thu, 11 Nov 2010 20:16:29 +0800 Message-ID: <1289477789-10651-1-git-send-email-leoli@freescale.com> MIME-Version: 1.0 Content-Type: text/plain Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Expand the dma_mask of fsldma device to 36-bit, indicating that the DMA engine can deal with 36-bit physical address and does not need the SWIOTLB to create bounce buffer for it when doing dma_map_*(). Signed-off-by: Li Yang --- Add more detailed commit message drivers/dma/fsldma.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index cea08be..8c79b37 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -1,7 +1,7 @@ /* * Freescale MPC85xx, MPC83xx DMA Engine support * - * Copyright (C) 2007 Freescale Semiconductor, Inc. All rights reserved. + * Copyright (C) 2007-2010 Freescale Semiconductor, Inc. All rights reserved. * * Author: * Zhang Wei , Jul 2007 @@ -1338,6 +1338,8 @@ static int __devinit fsldma_of_probe(struct platform_device *op, fdev->common.device_control = fsl_dma_device_control; fdev->common.dev = &op->dev; + dma_set_mask(&(op->dev), DMA_BIT_MASK(36)); + dev_set_drvdata(&op->dev, fdev); /* -- 1.6.6-rc1.GIT