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GET /api/patches/809434/?format=api
{ "id": 809434, "url": "http://patchwork.ozlabs.org/api/patches/809434/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-imx/patch/20170903224100.17893-6-stefan.bruens@rwth-aachen.de/", "project": { "id": 19, "url": "http://patchwork.ozlabs.org/api/projects/19/?format=api", "name": "Linux IMX development", "link_name": "linux-imx", "list_id": "linux-imx-kernel.lists.patchwork.ozlabs.org", "list_email": "linux-imx-kernel@lists.patchwork.ozlabs.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170903224100.17893-6-stefan.bruens@rwth-aachen.de>", "list_archive_url": null, "date": "2017-09-03T22:40:56", "name": "[05/10] dmaengine: sun6i: Move number of pchans/vchans/request to device struct", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "64b105324a42c46b8906db1813a045c00cc60a8a", "submitter": { "id": 67055, "url": "http://patchwork.ozlabs.org/api/people/67055/?format=api", "name": "Stefan Brüns", "email": "stefan.bruens@rwth-aachen.de" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-imx/patch/20170903224100.17893-6-stefan.bruens@rwth-aachen.de/mbox/", "series": [ { "id": 1284, "url": "http://patchwork.ozlabs.org/api/series/1284/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-imx/list/?series=1284", "date": "2017-09-03T22:40:55", "name": "dmaengine: sun6i: Fixes for H3/A83T, enable A64", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/1284/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/809434/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/809434/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org>", "X-Original-To": "incoming-imx@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming-imx@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=lists.infradead.org\n\t(client-ip=65.50.211.133; helo=bombadil.infradead.org;\n\tenvelope-from=linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=lists.infradead.org\n\theader.i=@lists.infradead.org\n\theader.b=\"ZwzVxsE7\"; dkim-atps=neutral" ], "Received": [ "from bombadil.infradead.org (bombadil.infradead.org\n\t[65.50.211.133])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xlp0W3R9Rz9s8J\n\tfor <incoming-imx@patchwork.ozlabs.org>;\n\tMon, 4 Sep 2017 08:43:07 +1000 (AEST)", "from localhost ([127.0.0.1] helo=bombadil.infradead.org)\n\tby bombadil.infradead.org with esmtp (Exim 4.87 #1 (Red Hat Linux))\n\tid 1dodbb-0008Je-51; Sun, 03 Sep 2017 22:43:03 +0000", "from mail-out-1.itc.rwth-aachen.de ([134.130.5.46])\n\tby bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux))\n\tid 1dodaF-0006wU-KW for linux-arm-kernel@lists.infradead.org;\n\tSun, 03 Sep 2017 22:41:45 +0000", "from rwthex-w2-b.rwth-ad.de ([134.130.26.159])\n\tby mail-in-1.itc.rwth-aachen.de with ESMTP; 04 Sep 2017 00:41:11 +0200", "from pebbles.fritz.box (92.225.242.208) by rwthex-w2-b.rwth-ad.de\n\t(2002:8682:1a9f::8682:1a9f) with Microsoft SMTP Server (TLS) id\n\t15.0.1320.4; Mon, 4 Sep 2017 00:41:10 +0200" ], "DKIM-Signature": "v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;\n\td=lists.infradead.org; s=bombadil.20170209; h=Sender:\n\tContent-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post:\n\tList-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:\n\tMessage-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description:\n\tResent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:\n\tList-Owner; bh=ClogkSCgoMIZz90wyNZ6vSiBq6rNv0BdDyzmEf/RfWU=;\n\tb=ZwzVxsE7fGGisy\n\tqXy8NOIJjOrrfNyvj+X0wcxgB+d+vvm6BWWXR48xld7C0RGNQPqEoW/E9e77GWfIxyAHg3dhCLP3p\n\tcTEdyrI7G/1PiYdn4aAic7gWQZmoGgXxALiBE/IhYsCbmqn3Zb0BM3O4+4jcuTLE/rA7OO02z53yW\n\tfAlYZ8A3ThBbNX60UMR+AmGT4/t/tYyx3JYfdVd/P7cnKZdviEXxka/0OoOfir7gUueFvUTMDkkqr\n\tg3mHXzImaMCJVHpcUyG+iClYBjw2oqzaqo8kAACjLaee6YJq0K/vvmOFz1SB6IkAoEn5VqMzJNVzj\n\t0UMGlUtgYQ1rd2kE47Jw==;", "X-IronPort-AV": "E=Sophos;i=\"5.41,472,1498514400\"; d=\"scan'208\";a=\"11604249\"", "From": "=?utf-8?q?Stefan_Br=C3=BCns?= <stefan.bruens@rwth-aachen.de>", "To": "<linux-sunxi@googlegroups.com>", "Subject": "[PATCH 05/10] dmaengine: sun6i: Move number of pchans/vchans/request\n\tto device struct", "Date": "Mon, 4 Sep 2017 00:40:56 +0200", "Message-ID": "<20170903224100.17893-6-stefan.bruens@rwth-aachen.de>", "X-Mailer": "git-send-email 2.14.1", "In-Reply-To": "<20170903224100.17893-1-stefan.bruens@rwth-aachen.de>", "References": "<20170903224100.17893-1-stefan.bruens@rwth-aachen.de>", "MIME-Version": "1.0", "X-Originating-IP": "[92.225.242.208]", "X-ClientProxiedBy": "rwthex-w1-b.rwth-ad.de (2002:8682:1a9d::8682:1a9d) To\n\trwthex-w2-b.rwth-ad.de (2002:8682:1a9f::8682:1a9f)", "X-CRM114-Version": "20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ", "X-CRM114-CacheID": "sfid-20170903_154140_090250_5093B26D ", "X-CRM114-Status": "GOOD ( 12.74 )", "X-Spam-Score": "-4.2 (----)", "X-Spam-Report": "SpamAssassin version 3.4.1 on bombadil.infradead.org summary:\n\tContent analysis details: (-4.2 points)\n\tpts rule name description\n\t---- ----------------------\n\t--------------------------------------------------\n\t-2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/,\n\tmedium trust [134.130.5.46 listed in list.dnswl.org]\n\t-0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay\n\tdomain\n\t-1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n\t[score: 0.0000]", "X-BeenThere": "linux-arm-kernel@lists.infradead.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Unsubscribe": "<http://lists.infradead.org/mailman/options/linux-arm-kernel>,\n\t<mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe>", "List-Archive": "<http://lists.infradead.org/pipermail/linux-arm-kernel/>", "List-Post": "<mailto:linux-arm-kernel@lists.infradead.org>", "List-Help": "<mailto:linux-arm-kernel-request@lists.infradead.org?subject=help>", "List-Subscribe": "<http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>,\n\t<mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe>", "Cc": "devicetree@vger.kernel.org, Vinod Koul <vinod.koul@intel.com>,\n\tAndre Przywara <andre.przywara@arm.com>, linux-kernel@vger.kernel.org,\n\tCode Kipper <codekipper@gmail.com>, Chen-Yu Tsai <wens@csie.org>,\n\tRob Herring <robh+dt@kernel.org>, dmaengine@vger.kernel.org,\n\tMaxime Ripard <maxime.ripard@free-electrons.com>,\n\tlinux-arm-kernel@lists.infradead.org", "Content-Type": "text/plain; charset=\"utf-8\"", "Content-Transfer-Encoding": "base64", "Sender": "\"linux-arm-kernel\" <linux-arm-kernel-bounces@lists.infradead.org>", "Errors-To": "linux-arm-kernel-bounces+incoming-imx=patchwork.ozlabs.org@lists.infradead.org", "List-Id": "linux-imx-kernel.lists.patchwork.ozlabs.org" }, "content": "Preparatory patch: If the same compatible is used for different SoCs which\nhave a common register layout, but different number of channels, the\nchannel count can no longer be stored in the config. Store it in the\ndevice structure instead.\n\nSigned-off-by: Stefan Brüns <stefan.bruens@rwth-aachen.de>\n---\n drivers/dma/sun6i-dma.c | 26 ++++++++++++++++----------\n 1 file changed, 16 insertions(+), 10 deletions(-)", "diff": "diff --git a/drivers/dma/sun6i-dma.c b/drivers/dma/sun6i-dma.c\nindex 335a8ec88b0b..c69dadb853d2 100644\n--- a/drivers/dma/sun6i-dma.c\n+++ b/drivers/dma/sun6i-dma.c\n@@ -187,6 +187,9 @@ struct sun6i_dma_dev {\n \tconst struct sun6i_dma_config *cfg;\n \tu32\t\t\tsrc_burst_lengths;\n \tu32\t\t\tdst_burst_lengths;\n+\tu32\t\t\tnum_pchans;\n+\tu32\t\t\tnum_vchans;\n+\tu32\t\t\tmax_request;\n };\n \n static struct device *chan2dev(struct dma_chan *chan)\n@@ -411,7 +414,6 @@ static int sun6i_dma_start_desc(struct sun6i_vchan *vchan)\n static void sun6i_dma_tasklet(unsigned long data)\n {\n \tstruct sun6i_dma_dev *sdev = (struct sun6i_dma_dev *)data;\n-\tconst struct sun6i_dma_config *cfg = sdev->cfg;\n \tstruct sun6i_vchan *vchan;\n \tstruct sun6i_pchan *pchan;\n \tunsigned int pchan_alloc = 0;\n@@ -439,7 +441,7 @@ static void sun6i_dma_tasklet(unsigned long data)\n \t}\n \n \tspin_lock_irq(&sdev->lock);\n-\tfor (pchan_idx = 0; pchan_idx < cfg->nr_max_channels; pchan_idx++) {\n+\tfor (pchan_idx = 0; pchan_idx < sdev->num_pchans; pchan_idx++) {\n \t\tpchan = &sdev->pchans[pchan_idx];\n \n \t\tif (pchan->vchan || list_empty(&sdev->pending))\n@@ -460,7 +462,7 @@ static void sun6i_dma_tasklet(unsigned long data)\n \t}\n \tspin_unlock_irq(&sdev->lock);\n \n-\tfor (pchan_idx = 0; pchan_idx < cfg->nr_max_channels; pchan_idx++) {\n+\tfor (pchan_idx = 0; pchan_idx < sdev->num_pchans; pchan_idx++) {\n \t\tif (!(pchan_alloc & BIT(pchan_idx)))\n \t\t\tcontinue;\n \n@@ -482,7 +484,7 @@ static irqreturn_t sun6i_dma_interrupt(int irq, void *dev_id)\n \tint i, j, ret = IRQ_NONE;\n \tu32 status;\n \n-\tfor (i = 0; i < sdev->cfg->nr_max_channels / DMA_IRQ_CHAN_NR; i++) {\n+\tfor (i = 0; i < sdev->num_pchans / DMA_IRQ_CHAN_NR; i++) {\n \t\tstatus = readl(sdev->base + DMA_IRQ_STAT(i));\n \t\tif (!status)\n \t\t\tcontinue;\n@@ -974,7 +976,7 @@ static struct dma_chan *sun6i_dma_of_xlate(struct of_phandle_args *dma_spec,\n \tstruct dma_chan *chan;\n \tu8 port = dma_spec->args[0];\n \n-\tif (port > sdev->cfg->nr_max_requests)\n+\tif (port > sdev->max_request)\n \t\treturn NULL;\n \n \tchan = dma_get_any_slave_channel(&sdev->slave);\n@@ -1007,7 +1009,7 @@ static inline void sun6i_dma_free(struct sun6i_dma_dev *sdev)\n {\n \tint i;\n \n-\tfor (i = 0; i < sdev->cfg->nr_max_vchans; i++) {\n+\tfor (i = 0; i < sdev->num_vchans; i++) {\n \t\tstruct sun6i_vchan *vchan = &sdev->vchans[i];\n \n \t\tlist_del(&vchan->vc.chan.device_node);\n@@ -1167,26 +1169,30 @@ static int sun6i_dma_probe(struct platform_device *pdev)\n \tsdc->slave.residue_granularity\t\t= DMA_RESIDUE_GRANULARITY_BURST;\n \tsdc->slave.dev = &pdev->dev;\n \n-\tsdc->pchans = devm_kcalloc(&pdev->dev, sdc->cfg->nr_max_channels,\n+\tsdc->num_pchans = sdc->cfg->nr_max_channels;\n+\tsdc->num_vchans = sdc->cfg->nr_max_vchans;\n+\tsdc->max_request = sdc->cfg->nr_max_requests;\n+\n+\tsdc->pchans = devm_kcalloc(&pdev->dev, sdc->num_pchans,\n \t\t\t\t sizeof(struct sun6i_pchan), GFP_KERNEL);\n \tif (!sdc->pchans)\n \t\treturn -ENOMEM;\n \n-\tsdc->vchans = devm_kcalloc(&pdev->dev, sdc->cfg->nr_max_vchans,\n+\tsdc->vchans = devm_kcalloc(&pdev->dev, sdc->num_vchans,\n \t\t\t\t sizeof(struct sun6i_vchan), GFP_KERNEL);\n \tif (!sdc->vchans)\n \t\treturn -ENOMEM;\n \n \ttasklet_init(&sdc->task, sun6i_dma_tasklet, (unsigned long)sdc);\n \n-\tfor (i = 0; i < sdc->cfg->nr_max_channels; i++) {\n+\tfor (i = 0; i < sdc->num_pchans; i++) {\n \t\tstruct sun6i_pchan *pchan = &sdc->pchans[i];\n \n \t\tpchan->idx = i;\n \t\tpchan->base = sdc->base + 0x100 + i * 0x40;\n \t}\n \n-\tfor (i = 0; i < sdc->cfg->nr_max_vchans; i++) {\n+\tfor (i = 0; i < sdc->num_vchans; i++) {\n \t\tstruct sun6i_vchan *vchan = &sdc->vchans[i];\n \n \t\tINIT_LIST_HEAD(&vchan->node);\n", "prefixes": [ "05/10" ] }