From patchwork Mon Nov 22 22:21:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnd Bergmann X-Patchwork-Id: 519295 Delivered-To: patch@linaro.org Received: by 2002:ac0:c605:0:0:0:0:0 with SMTP id p5csp7680140imj; Mon, 22 Nov 2021 14:22:37 -0800 (PST) X-Google-Smtp-Source: ABdhPJwKX1e2FZjYHu5NCrB0oDpi+Ap9sJGXddInyiPRF9QzQ4cHnrdh7pG4vdd3lgfcyAXTOw5G X-Received: by 2002:a05:6a00:1a04:b0:4a0:6e3:27b3 with SMTP id g4-20020a056a001a0400b004a006e327b3mr285280pfv.24.1637619756971; Mon, 22 Nov 2021 14:22:36 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1637619756; cv=none; d=google.com; s=arc-20160816; b=qL3HxhwErOMPPnrOxPkUXYI8fWr2OMekalsFyswU/ALy5mZvbGKGCNY21EVwYvx9vJ ndVYspAkQM3+d7g1736h3XuxbljVOCFy16CbqehI9Ebx2y5dxmCa7yzGBH10a+tzlJ4B 4PZiVN0l87tts7YXJqjorPrzA5qV8kfSCrl6FX5FmtEhqOYsvcp61dS4vkC4p85YtAgh SCLyXYJmFrY5ZmXsWFsekLmbOppglcwGzzZ7IL+Y9+AEWWw0jyGdARIT4ZIFyS1EgB98 IkVY5UqedTQ+gur/iMuHPZzNxDDBzewJNt8TaNapOnvHp+HU9Q77pBBplDZCHU0UoXfK hdCA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:content-transfer-encoding :mime-version:message-id:date:subject:to:from:dkim-signature :delivered-to; bh=rZFyPHAzJjRL/3M+P3xTPLInH/TOnp+4qgXDqxji4Xo=; b=dkcfu9tWgutpCsW+UIDUymAdiSVIbC8VGjcBP0+0wcshvgsCUfyRhLi/2XHZpoJoH/ hDYgOgbavsbQh9r1l3sDzJ4RXW5+C4IZc9TdTqb97LSnmK/VZTkRkiDf7eLk4ZAAQply FBOTzTyLdRxCAw0/pS8cZF+GrbzQ/vO32o9//7yA/m+i6a0FGu0dlAkfYYboctwqUkXf OU7SHh2x6MXZ1lUIbmiwY3qlRYRMLQ7GjY3mNNL0FvJpeE4C8nu2nKrjRumnIlfOHWLr yTXqq0kyY+7S/lZbJjiIA3Oe/DaYGnXL2eFq3u2MJE7Jgm/h9O9j4qRAkmda9XPe7Wn/ S/XA== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@kernel.org header.s=k20201202 header.b=Y67FYaIG; spf=pass (google.com: best guess record for domain of dri-devel-bounces@lists.freedesktop.org designates 131.252.210.177 as permitted sender) smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from gabe.freedesktop.org (gabe.freedesktop.org. [131.252.210.177]) by mx.google.com with ESMTPS id g1si23451127pfj.221.2021.11.22.14.22.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 22 Nov 2021 14:22:36 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of dri-devel-bounces@lists.freedesktop.org designates 131.252.210.177 as permitted sender) client-ip=131.252.210.177; Authentication-Results: mx.google.com; dkim=fail header.i=@kernel.org header.s=k20201202 header.b=Y67FYaIG; spf=pass (google.com: best guess record for domain of dri-devel-bounces@lists.freedesktop.org designates 131.252.210.177 as permitted sender) smtp.mailfrom=dri-devel-bounces@lists.freedesktop.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5DA3789D4B; Mon, 22 Nov 2021 22:22:33 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by gabe.freedesktop.org (Postfix) with ESMTPS id EF57B89D4B for ; Mon, 22 Nov 2021 22:22:32 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id A713E60FE6; Mon, 22 Nov 2021 22:22:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1637619752; bh=a7SGmbp4mEcF+/rXpw1vFw4ipurQPrcKJnXyHa0ukDM=; h=From:To:Cc:Subject:Date:From; b=Y67FYaIGdT2PZzTNUoTVEiI4EIJPVahTTQcFkaMGkwj/kK6uvHtBIMmdnqBLhf7HT hBItQMZWP+6NOepRrZvm3Ew9ZZ8/FZ3O0KYYGjwKHK5rlPz4VxNp0GiabJQN8Y/GAu cpYxFgQ1c0u7D2HYV2H6tcPpfPDjp0wzO7HYKAfO+trFUsv2MhTcWOSKf3o8dyelB4 DrmZQlB9Ek6HLLgk3MWFfNjOVttzg9ihxIXogQBkQ99M72KwZFnb0oN9Lw8EEWgIo9 HeySd0yRe7BQd7PNPcJ0oegk/rngezgRJBGsN7YW07wkfLzE47GG8mpWgwpy/vxG8C +w2C+aEIfRe5A== From: Arnd Bergmann To: Vinod Koul Subject: [PATCH v2 00/11] dmaengine: kill off dma_slave_config->slave_id Date: Mon, 22 Nov 2021 23:21:52 +0100 Message-Id: <20211122222203.4103644-1-arnd@kernel.org> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: alsa-devel@alsa-project.org, dri-devel@lists.freedesktop.org, Bjorn Andersson , linux-tegra@vger.kernel.org, Thierry Reding , linux-mtd@lists.infradead.org, Laurent Pinchart , linux-spi@vger.kernel.org, Robert Jarzmik , Chunyan Zhang , linux-staging@lists.linux.dev, Michal Simek , Jon Hunter , Andy Gross , bcm-kernel-feedback-list@broadcom.com, linux-serial@vger.kernel.org, Orson Zhai , Nicolas Saenz Julienne , Arnd Bergmann , Manivannan Sadhasivam , linux-arm-msm@vger.kernel.org, dmaengine@vger.kernel.org, Mark Brown , linux-rpi-kernel@lists.infradead.org, Jaroslav Kysela , Andy Shevchenko , linux-arm-kernel@lists.infradead.org, Scott Branden , Hyun Kwon , Greg Kroah-Hartman , linux-mmc@vger.kernel.org, Takashi Iwai , linux-kernel@vger.kernel.org, Laxman Dewangan , Baolin Wang Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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. I think I got all the necessary Acks on v1 already, so if there are no further concerns, please merge this through the dmaengine tree for v5.17, or pull from git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic.git tags/dma-slave-id-removal Arnd Arnd Bergmann (13): ASoC: tegra20-spdif: stop setting slave_id 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 dmaengine: remove slave_id config field Acked-by: Mark Brown --- Changes in v2: - drop obsolete drivers/staging/patch - split tegra change into a separate patch - improve some patch descriptions. 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 | 17 +++++--- 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/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/linux/platform_data/asoc-s3c.h | 6 --- include/sound/dmaengine_pcm.h | 4 -- sound/core/pcm_dmaengine.c | 26 +----------- sound/soc/tegra/tegra20_spdif.c | 1 - 27 files changed, 134 insertions(+), 146 deletions(-) create mode 100644 include/linux/dma/qcom_adm.h create mode 100644 include/linux/dma/xilinx_dpdma.h