From patchwork Mon Nov 15 08:53:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 518836 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0FA54C433F5 for ; Mon, 15 Nov 2021 08:54:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E9F2061C48 for ; Mon, 15 Nov 2021 08:54:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230060AbhKOI5v (ORCPT ); Mon, 15 Nov 2021 03:57:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:55202 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229919AbhKOI5o (ORCPT ); Mon, 15 Nov 2021 03:57:44 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 9880061BE2; Mon, 15 Nov 2021 08:54:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1636966486; bh=1h0g2AYqXFphX4dDyELLl2t7YQIUXZ6UIHT7JYg2iMs=; h=From:To:Cc:Subject:Date:From; b=kv+C8zB0tbPMdXf3ORNkXrRH4MrGq92/hxOUWQ7rrNLjPwyN92rkebIKY8icgiOfU pMdG65xZlUKOnr8NUOP6pmXxc3gZzuCmcsiwcDOb6St8hs6LkWB6n1ZZo98RlrnVvp FkqOBIn33Yi9JZOuQ6miAmszWpYRosGKoEiu9hmpXWXS0VgUXakje0NXKySH0Rz+mZ 5B6hNND+tRm0kn91fmSGmzeWYTduFgTH0JLa1xNb8xKQOI2gwIYz/OsIEp39PngVMt ez7HK1j37N1+6Gl5sR4/i/hvvdNCZ5Sdb+Rvh2P8BC4uYTPFd5lIc2Ou5i9m3hH8E0 48X4U7Q98MS4A== From: Arnd Bergmann To: Vinod Koul Cc: Arnd Bergmann , Andy Gross , Andy Shevchenko , Baolin Wang , Bjorn Andersson , Chunyan Zhang , Greg Kroah-Hartman , Hyun Kwon , Jaroslav Kysela , Jon Hunter , Lars-Peter Clausen , Laurent Pinchart , Laxman Dewangan , Manivannan Sadhasivam , Mark Brown , Michal Simek , Nicolas Saenz Julienne , Orson Zhai , Robert Jarzmik , Scott Branden , Takashi Iwai , Thierry Reding , alsa-devel@alsa-project.org, bcm-kernel-feedback-list@broadcom.com, dmaengine@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, linux-rpi-kernel@lists.infradead.org, linux-serial@vger.kernel.org, linux-spi@vger.kernel.org, linux-staging@lists.linux.dev, linux-tegra@vger.kernel.org Subject: [PATCH 00/11] dmaengine: kill off dma_slave_config->slave_id Date: Mon, 15 Nov 2021 09:53:52 +0100 Message-Id: <20211115085403.360194-1-arnd@kernel.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org From: Arnd Bergmann I recently came across some new uses of the 'slave_id' field that I had (almost) removed a few years ago. There are no legitimate uses of this field in the kernel, only a few stale references and two drivers that abuse the field as a side-channel between the dmaengine driver and its client. Let's change the xilinx and qualcomm drivers to use the documented side-channel (peripheral_data) instead, and remove the remnants of it to prevent new users from coming in. As the last patch in the series depends on all the others, it would be nice have everything merged into the dmaengine tree for v5.17. Arnd Arnd Bergmann (11): ASoC: dai_dma: remove slave_id field spi: pic32: stop setting dma_config->slave_id mmc: bcm2835: stop setting chan_config->slave_id dmaengine: shdma: remove legacy slave_id parsing dmaengine: pxa/mmp: stop referencing config->slave_id dmaengine: sprd: stop referencing config->slave_id dmaengine: qcom-adm: stop abusing slave_id config dmaengine: xilinx_dpdma: stop using slave_id field dmaengine: tegra20-apb: stop checking config->slave_id staging: ralink-gdma: stop using slave_id config dmaengine: remove slave_id config field drivers/dma/mmp_pdma.c | 6 --- drivers/dma/pxa_dma.c | 7 --- drivers/dma/qcom/qcom_adm.c | 56 ++++++++++++++++++++--- drivers/dma/sh/shdma-base.c | 8 ---- drivers/dma/sprd-dma.c | 3 -- drivers/dma/tegra20-apb-dma.c | 6 --- drivers/dma/xilinx/xilinx_dpdma.c | 12 +++-- drivers/gpu/drm/xlnx/zynqmp_disp.c | 9 +++- drivers/mmc/host/bcm2835.c | 2 - drivers/mtd/nand/raw/qcom_nandc.c | 14 +++++- drivers/spi/spi-pic32.c | 2 - drivers/staging/ralink-gdma/ralink-gdma.c | 12 ++--- drivers/tty/serial/msm_serial.c | 15 +++++- include/linux/dma/qcom_adm.h | 12 +++++ include/linux/dma/xilinx_dpdma.h | 11 +++++ include/linux/dmaengine.h | 4 -- include/sound/dmaengine_pcm.h | 2 - sound/core/pcm_dmaengine.c | 5 +- sound/soc/tegra/tegra20_spdif.c | 1 - 19 files changed, 119 insertions(+), 68 deletions(-) create mode 100644 include/linux/dma/qcom_adm.h create mode 100644 include/linux/dma/xilinx_dpdma.h