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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 AD914C5B578 for ; Wed, 3 Jul 2019 08:02:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 86C1121897 for ; Wed, 3 Jul 2019 08:02:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562140921; bh=ThdOqIlE3tUWkIZCcSvGSfnftygpU4mdRMsrGkRB824=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=UR6vYd6XRkElcv6bERk1gWvQC1TOMtdRjfS33B3s5tkMwD3XvgTLZY2r1c8xlEZhb SvwJpT4gSqea9PUVX+FHRfpjXyqKsgKQrBi5fc4qoZlH50sg0aYd6UxEGNaPoEiJad TzwWdQz4/5MX3nSTTLnXOyqn/GLB3/eNZSxplycw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727049AbfGCIB5 (ORCPT ); Wed, 3 Jul 2019 04:01:57 -0400 Received: from mail.kernel.org ([198.145.29.99]:55164 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726670AbfGCIB5 (ORCPT ); Wed, 3 Jul 2019 04:01:57 -0400 Received: from localhost (unknown [122.167.76.109]) (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 C812D21897; Wed, 3 Jul 2019 08:01:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562140916; bh=ThdOqIlE3tUWkIZCcSvGSfnftygpU4mdRMsrGkRB824=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=GYWQ75vkqGkJRXZ6dih6ItEgb92wHdF8ZCCOyuF3axygjOhqHqmTIb2jAg4FJQyMO MrWvaEwr1wH1x6qy3E1kg8mRdmo6Z75vwTE4+AMN4bcaxafhH/uYvWc70hiwxTZnlX O8X88LouQrPToBR47ovMX8nPVzJBtNteMfpzquKY= Date: Wed, 3 Jul 2019 13:28:48 +0530 From: Vinod Koul To: yibin.gong@nxp.com Cc: robh@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, mark.rutland@arm.com, dan.j.williams@intel.com, angelo@sysam.it, linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, kernel@pengutronix.de Subject: Re: [PATCH v5 0/6] add edma2 for i.mx7ulp Message-ID: <20190703075848.GR2911@vkoul-mobl> References: <20190625094324.19196-1-yibin.gong@nxp.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190625094324.19196-1-yibin.gong@nxp.com> User-Agent: Mutt/1.11.3 (2019-02-01) Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org On 25-06-19, 17:43, yibin.gong@nxp.com wrote: > From: Robin Gong > > This patch set add new version of edma for i.mx7ulp, the main changes > are as belows: > 1. only one dmamux. > 2. another clock dma_clk except dmamux clk. > 3. 16 independent interrupts instead of only one interrupt for > all channels > For the first change, need modify fsl-edma-common.c and mcf-edma, > so create the first two patches to prepare without any function impact. > > For the third change, need request single irq for every channel with > the legacy handler. But actually 2 dma channels share one interrupt(16 > channel interrupts, but 32 channels.),ch0/ch16,ch1/ch17... For now, just > simply request irq without IRQF_SHARED flag, since 16 channels are enough > on i.mx7ulp whose M4 domain own some peripherals. Applied patches 1-5, thanks -- ~Vinod