From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 798E7B7113 for ; Tue, 16 Nov 2010 04:36:25 +1100 (EST) Subject: Re: [PATCH v2] fsldma: add support to 36-bit physical address Mime-Version: 1.0 (Apple Message framework v1081) Content-Type: text/plain; charset=us-ascii From: Kumar Gala In-Reply-To: <1289477789-10651-1-git-send-email-leoli@freescale.com> Date: Mon, 15 Nov 2010 09:17:18 -0600 Message-Id: References: <1289477789-10651-1-git-send-email-leoli@freescale.com> To: Li Yang Cc: dan.j.williams@intel.com, 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: , On Nov 11, 2010, at 6:16 AM, Li Yang wrote: > 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(-) Acked-by: Kumar Gala - k