From patchwork Sun Jun 17 17:02:06 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Jarzmik X-Patchwork-Id: 10469009 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 47BBF60532 for ; Sun, 17 Jun 2018 17:03:13 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 25F49288B7 for ; Sun, 17 Jun 2018 17:03:13 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1A52F288BF; Sun, 17 Jun 2018 17:03:13 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,FREEMAIL_FROM, MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7100F288B8 for ; Sun, 17 Jun 2018 17:03:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934526AbeFQRDG (ORCPT ); Sun, 17 Jun 2018 13:03:06 -0400 Received: from smtp07.smtpout.orange.fr ([80.12.242.129]:51012 "EHLO smtp.smtpout.orange.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S934425AbeFQRDD (ORCPT ); Sun, 17 Jun 2018 13:03:03 -0400 Received: from belgarion.home ([90.55.203.186]) by mwinf5d83 with ME id zt2e1x00N41oiFu03t30Ng; Sun, 17 Jun 2018 19:03:02 +0200 X-ME-Helo: belgarion.home X-ME-Auth: amFyem1pay5yb2JlcnRAb3JhbmdlLmZy X-ME-Date: Sun, 17 Jun 2018 19:03:02 +0200 X-ME-IP: 90.55.203.186 From: Robert Jarzmik To: Daniel Mack , Haojian Zhuang , Robert Jarzmik , Bartlomiej Zolnierkiewicz , Tejun Heo , Vinod Koul , Mauro Carvalho Chehab , Ulf Hansson , Miquel Raynal , Boris Brezillon , David Woodhouse , Brian Norris , Marek Vasut , Richard Weinberger , Nicolas Pitre , Jaroslav Kysela , Takashi Iwai , Liam Girdwood , Mark Brown Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org, dmaengine@vger.kernel.org, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org, netdev@vger.kernel.org, alsa-devel@alsa-project.org, Arnd Bergmann Subject: [PATCH v3 03/14] dmaengine: pxa: add a default requestor policy Date: Sun, 17 Jun 2018 19:02:06 +0200 Message-Id: <20180617170217.24177-4-robert.jarzmik@free.fr> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20180617170217.24177-1-robert.jarzmik@free.fr> References: <20180617170217.24177-1-robert.jarzmik@free.fr> Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP As what former drcmr -1 value meant, add a this as a default to each channel, ie. that by default no requestor line is used. This is specifically used for network drivers smc91x and smc911x, and needed for their port to slave maps. Cc: Arnd Bergmann Signed-off-by: Robert Jarzmik Acked-by: Vinod Koul --- Since v1: changed -1 to U32_MAX --- drivers/dma/pxa_dma.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/dma/pxa_dma.c b/drivers/dma/pxa_dma.c index 9505334f9c6e..b31c28b67ad3 100644 --- a/drivers/dma/pxa_dma.c +++ b/drivers/dma/pxa_dma.c @@ -762,6 +762,8 @@ static void pxad_free_chan_resources(struct dma_chan *dchan) dma_pool_destroy(chan->desc_pool); chan->desc_pool = NULL; + chan->drcmr = U32_MAX; + chan->prio = PXAD_PRIO_LOWEST; } static void pxad_free_desc(struct virt_dma_desc *vd) @@ -1386,6 +1388,9 @@ static int pxad_init_dmadev(struct platform_device *op, c = devm_kzalloc(&op->dev, sizeof(*c), GFP_KERNEL); if (!c) return -ENOMEM; + + c->drcmr = U32_MAX; + c->prio = PXAD_PRIO_LOWEST; c->vc.desc_free = pxad_free_desc; vchan_init(&c->vc, &pdev->slave); init_waitqueue_head(&c->wq_state);