From patchwork Wed Jul 2 13:29:19 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ujfalusi X-Patchwork-Id: 4465601 Return-Path: X-Original-To: patchwork-dmaengine@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 5940E9F36A for ; Wed, 2 Jul 2014 13:30:57 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 88E6D202F8 for ; Wed, 2 Jul 2014 13:30:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 923162020E for ; Wed, 2 Jul 2014 13:30:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751226AbaGBN3p (ORCPT ); Wed, 2 Jul 2014 09:29:45 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:37297 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753043AbaGBN3n (ORCPT ); Wed, 2 Jul 2014 09:29:43 -0400 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id s62DTWAL000445; Wed, 2 Jul 2014 08:29:32 -0500 Received: from DLEE71.ent.ti.com (dlee71.ent.ti.com [157.170.170.114]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id s62DTWcU017717; Wed, 2 Jul 2014 08:29:32 -0500 Received: from dlep33.itg.ti.com (157.170.170.75) by DLEE71.ent.ti.com (157.170.170.114) with Microsoft SMTP Server id 14.3.174.1; Wed, 2 Jul 2014 08:29:31 -0500 Received: from szilva.Elisa (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id s62DTOP5031791; Wed, 2 Jul 2014 08:29:28 -0500 From: Peter Ujfalusi To: , , , , Mark Brown , Liam Girdwood , , CC: , , Subject: [PATCH v2 1/5] dma: Support for 3 bytes word size Date: Wed, 2 Jul 2014 16:29:19 +0300 Message-ID: <1404307763-30557-2-git-send-email-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.0.0 In-Reply-To: <1404307763-30557-1-git-send-email-peter.ujfalusi@ti.com> References: <1404307763-30557-1-git-send-email-peter.ujfalusi@ti.com> MIME-Version: 1.0 Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add DMA_SLAVE_BUSWIDTH_3_BYTES to dma_slave_buswidth for engines and users to select 3 bytes as bus width. For example eDMA can be configured to use 3bytes mode and in audio we have formats stored on 3bytes in memory (_XXX_3LE) where this new bus width can be used. Signed-off-by: Peter Ujfalusi --- include/linux/dmaengine.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index d2c5cc7c583c..3d1c2aa51530 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -299,6 +299,7 @@ enum dma_slave_buswidth { DMA_SLAVE_BUSWIDTH_UNDEFINED = 0, DMA_SLAVE_BUSWIDTH_1_BYTE = 1, DMA_SLAVE_BUSWIDTH_2_BYTES = 2, + DMA_SLAVE_BUSWIDTH_3_BYTES = 3, DMA_SLAVE_BUSWIDTH_4_BYTES = 4, DMA_SLAVE_BUSWIDTH_8_BYTES = 8, };