From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A4BAEC38A30 for ; Sun, 19 Apr 2020 16:49:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 869B8214D8 for ; Sun, 19 Apr 2020 16:49:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726474AbgDSQtS (ORCPT ); Sun, 19 Apr 2020 12:49:18 -0400 Received: from v6.sk ([167.172.42.174]:43662 "EHLO v6.sk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725793AbgDSQtS (ORCPT ); Sun, 19 Apr 2020 12:49:18 -0400 Received: from localhost (v6.sk [IPv6:::1]) by v6.sk (Postfix) with ESMTP id 9A7E5610A6; Sun, 19 Apr 2020 16:49:16 +0000 (UTC) From: Lubomir Rintel To: Vinod Koul Cc: Dan Williams , dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/7] dmaengine: mmp_tdma: Make the driver actually work Date: Sun, 19 Apr 2020 18:49:05 +0200 Message-Id: <20200419164912.670973-1-lkundrak@v3.sk> X-Mailer: git-send-email 2.26.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org Hi, chained to this message is a couple of improvements to the MMP Audio DMA driver (mmp_tdma). Please consider applying them. Patches 1 to 5 are various improvements robustness and error handling. The most important patch is [PATCH 6/7], which makes the driver play along with soc-generic-dmaengine-pcm. This is necessary to play sound on devicetree-based MMP2 machines. The last patch drops MMP_SRAM dependency. This is a safe thing to do, because nothing currently actually uses this (mmp_tdma) driver. There's a redundant driver in sound/soc/pxa/mmp-pcm.c, which is also effectively unused. Sigh. Tested on an OLPC XO-1.75 laptop (along with changes to the MMP SSPA driver). Thank you Lubo