From patchwork Tue Nov 3 11:25:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vinod Koul X-Patchwork-Id: 320398 Delivered-To: patch@linaro.org Received: by 2002:a92:7b12:0:0:0:0:0 with SMTP id w18csp4500420ilc; Tue, 3 Nov 2020 03:26:55 -0800 (PST) X-Google-Smtp-Source: ABdhPJxWRgJEg0FdAKY8LVNXUt7C6Xcn3gND3JmgMTg6HZfKv7vL3Sf23vCCUI5ALQs87K5SnuC/ X-Received: by 2002:aa7:c5d0:: with SMTP id h16mr9748192eds.7.1604402814965; Tue, 03 Nov 2020 03:26:54 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1604402814; cv=none; d=google.com; s=arc-20160816; b=vcdJhN2/42NM4UEsm7KJbKDl2swn4OT4AGHujGgCKA8lT2z41KVAf4uXYlNSPiewLi ePA3cofIalXnCFsBw7LkIK3BCTtc/1f2lb6mNQ/n36/lnx7v+CUQvSesRzX7QSa9UYL/ wDWaAToeJGYiC4pk5JB3N4iWzkjXQMmv6J2Ii7sJBlC9xnGcQybe2q0W2AxQawSt/Y3F QoBASaj25UdSU3Jt9Gf5F3RTZRcf6JEddvH3Y8T3Tn1NB6uUdcRDMhbsChGscXz5F3dl hg52zheIDuLJTNr+afmwjyRkerAmSrhX/G2S9+s4XnIqTvNC06/bvaR7LHQnhm1qXJHw z9/w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=OGuBbjzxJvHEJDZPTp05R7EbllPy6uDP9ZAIckkbm/Q=; b=IRxRf3L3XTrWXyvlWxjm74o9IHmScdD5mUCJ9KtoyYWedxv6zzffGYBHqhnEIVqqCe 4P6HAB9S89r/+CA9bvZAbrLRewsVUyPJG/i99kJthAoczsg5PEry5MqYoCVVx1cvE5Qm a2jXv21zkulAo7L2EquSddOS3MXS51vqTWg+yqePoa4MDSguOcGq0AehWZNjK6LZVd7H TA3ub2pj2x5Lu8rLS0UEidvHi/1UEfrXWzQ8s1t+/e1D4E/pu0NidyDlmvGg8mbeJc7+ 5B8oQ3TT+yA8JN59jbqSNlPrPGpdmjjeQHwxfMuX1dRH4kE/q+3un0nQm3pZBRi9vazf Y8Bw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=U0vKZovg; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id r1si12813536ejh.137.2020.11.03.03.26.54; Tue, 03 Nov 2020 03:26:54 -0800 (PST) Received-SPF: pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=U0vKZovg; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728666AbgKCL0v (ORCPT + 6 others); Tue, 3 Nov 2020 06:26:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:46222 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728711AbgKCL0q (ORCPT ); Tue, 3 Nov 2020 06:26:46 -0500 Received: from localhost.localdomain (unknown [122.179.37.237]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5FF53206BE; Tue, 3 Nov 2020 11:26:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604402806; bh=FAWZqcB8rrnTRfBi5nGT+Xgbjb35tQW4OIlGOvwmpXU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=U0vKZovgAuy0VBle6heEOaR3q5J/NZsCQU/1yquDDEylvbVkwZOJV7KOL+RhAHCU+ TTVGvfzVasMKgmn/nUaxwtDW3SFBeNbot4GNKHePjmHqvUNcQRFrXFqYvR5R58GWOF knZd1FnN3x8NENTU+UyVKTvoK9HQCmNAlPwE6Yfo= From: Vinod Koul To: dmaengine@vger.kernel.org Cc: Vinod Koul , Rob Herring , Bjorn Andersson , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Peter Ujfalusi Subject: [PATCH v5 2/3] dmaengine: add peripheral configuration Date: Tue, 3 Nov 2020 16:55:43 +0530 Message-Id: <20201103112544.674566-3-vkoul@kernel.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201103112544.674566-1-vkoul@kernel.org> References: <20201103112544.674566-1-vkoul@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Some complex dmaengine controllers have capability to program the peripheral device, so pass on the peripheral configuration as part of dma_slave_config Signed-off-by: Vinod Koul --- include/linux/dmaengine.h | 5 +++++ 1 file changed, 5 insertions(+) -- 2.26.2 diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index dd357a747780..493a047ed0a2 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -418,6 +418,9 @@ enum dma_slave_buswidth { * @slave_id: Slave requester id. Only valid for slave channels. The dma * slave peripheral will have unique id as dma requester which need to be * pass as slave config. + * @peripheral_config: peripheral configuration for programming peripheral + * for dmaengine transfer + * @peripheral_size: peripheral configuration buffer size * * This struct is passed in as configuration data to a DMA engine * in order to set up a certain channel for DMA transport at runtime. @@ -443,6 +446,8 @@ struct dma_slave_config { u32 dst_port_window_size; bool device_fc; unsigned int slave_id; + void *peripheral_config; + size_t peripheral_size; }; /**