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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 3AB9AC388F7 for ; Tue, 3 Nov 2020 11:26:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DF9D6206BE for ; Tue, 3 Nov 2020 11:26:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604402811; bh=FAWZqcB8rrnTRfBi5nGT+Xgbjb35tQW4OIlGOvwmpXU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=KDMIh/1RAR/Nixgx7YsjijjaPFRFb6xAAebHUdc6kvo8ihpLaSPl63F9HiNJssKxq j8VmIYk9YQ1LJSQ8pXYLBo9W2TiaYJzL9t60GwC2627V4iGFilYsN+/g2yv8pKkXd9 JxaJcPjULfGxcQlX0rxNJwm3f5s1rlV5wCCGKKcw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728666AbgKCL0v (ORCPT ); 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 Content-Transfer-Encoding: 8bit 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(+) 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; }; /** -- 2.26.2