From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756025Ab3AYJsl (ORCPT ); Fri, 25 Jan 2013 04:48:41 -0500 Received: from mga02.intel.com ([134.134.136.20]:16096 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755831Ab3AYJsg (ORCPT ); Fri, 25 Jan 2013 04:48:36 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.84,537,1355126400"; d="scan'208";a="276498994" From: Andy Shevchenko To: Viresh Kumar , Vinod Koul , linux-kernel@vger.kernel.org, spear-devel Cc: Andy Shevchenko Subject: [PATCH v4 0/4] dw_dmac: return actual residue value Date: Fri, 25 Jan 2013 11:47:59 +0200 Message-Id: <1359107283-5274-1-git-send-email-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The patch series is targeted for getting proper residue value. Since v3: - split dwc_get_residue() from dwc_tx_status and improve locking there - patch 1/4 "dw_dmac: remove unnecessary tx_list field in dw_dma_chan" was amended a bit to simplify patch 4/4 Since v2: - get rid of dwc_update_residue(): for soft LLP mode we assign residue in dwc_do_start() and decrease it at each interrupt. In the middle of transfer we will return that result substracted by amount of sent bytes Since v1: - everything is rewritten to address Viresh's and Vinod's comments. Andy Shevchenko (4): dw_dmac: remove unnecessary tx_list field in dw_dma_chan dw_dmac: introduce total_len field in struct dw_desc dw_dmac: fill individual length of descriptor dw_dmac: return proper residue value drivers/dma/dw_dmac.c | 82 +++++++++++++++++++++++++++++++++++++------- drivers/dma/dw_dmac_regs.h | 3 +- 2 files changed, 71 insertions(+), 14 deletions(-) -- 1.7.10.4