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GET /api/patches/818446/?format=api
{ "id": 818446, "url": "http://patchwork.ozlabs.org/api/patches/818446/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-mtd/patch/20170926041700.22663-3-kalyan.kinthada@alliedtelesis.co.nz/", "project": { "id": 3, "url": "http://patchwork.ozlabs.org/api/projects/3/?format=api", "name": "Linux MTD development", "link_name": "linux-mtd", "list_id": "linux-mtd.lists.infradead.org", "list_email": "linux-mtd@lists.infradead.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170926041700.22663-3-kalyan.kinthada@alliedtelesis.co.nz>", "list_archive_url": null, "date": "2017-09-26T04:17:00", "name": "[2/2] mtd: nand: pxa3xx: Handle \"marvell, nand-force-csx\" compatible string", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "cb15532035b47d64b4bf4a57485dca44e05bf07d", "submitter": { "id": 72417, "url": "http://patchwork.ozlabs.org/api/people/72417/?format=api", "name": "Kalyan Kinthada", "email": "kalyan.kinthada@alliedtelesis.co.nz" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/linux-mtd/patch/20170926041700.22663-3-kalyan.kinthada@alliedtelesis.co.nz/mbox/", "series": [ { "id": 5054, "url": "http://patchwork.ozlabs.org/api/series/5054/?format=api", "web_url": "http://patchwork.ozlabs.org/project/linux-mtd/list/?series=5054", "date": "2017-09-26T04:16:58", "name": "Implement guideline when NAND, NOR arbitration is enabled", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/5054/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/818446/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/818446/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org; spf=none (mailfrom)\n\tsmtp.mailfrom=lists.infradead.org (client-ip=65.50.211.133;\n\thelo=bombadil.infradead.org;\n\tenvelope-from=linux-mtd-bounces+incoming=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 header.b=\"mvDaQBFo\"; \n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=alliedtelesis.co.nz\n\theader.i=@alliedtelesis.co.nz header.b=\"ZCawBSYo\"; \n\tdkim-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 3y1SPB4HxFz9t3x\n\tfor <incoming@patchwork.ozlabs.org>;\n\tTue, 26 Sep 2017 14:18:22 +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 1dwhK6-0000Mp-Co; Tue, 26 Sep 2017 04:18:18 +0000", "from gate2.alliedtelesis.co.nz ([202.36.163.20])\n\tby bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux))\n\tid 1dwhJO-0007k1-Jw\n\tfor linux-mtd@lists.infradead.org; Tue, 26 Sep 2017 04:17:40 +0000", "from mmarshal3.atlnz.lc (mmarshal3.atlnz.lc [10.32.18.43])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256\n\tbits)) (Client did not present a certificate)\n\tby gate2.alliedtelesis.co.nz (Postfix) with ESMTPS id C66A2806A8;\n\tTue, 26 Sep 2017 17:17:02 +1300 (NZDT)", "from smtp (Not Verified[10.32.16.33]) by mmarshal3.atlnz.lc with\n\tTrustwave SEG (v7, 5, 8, 10121)\n\tid <B59c9d4bf0001>; Tue, 26 Sep 2017 17:17:03 +1300", "from kalyank-dl.ws.atlnz.lc (kalyank-dl.ws.atlnz.lc [10.33.14.14])\n\tby smtp (Postfix) with ESMTP id 0A4E913EF0D;\n\tTue, 26 Sep 2017 17:17:14 +1300 (NZDT)", "by kalyank-dl.ws.atlnz.lc (Postfix, from userid 1628)\n\tid 94430C0701; Tue, 26 Sep 2017 17:17:02 +1300 (NZDT)" ], "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:MIME-Version:Cc:List-Subscribe:\n\tList-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References:\n\tIn-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID:\n\tContent-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc\n\t:Resent-Message-ID:List-Owner;\n\tbh=OMfwabT2JbgpDWp0So5lxlg8HycH1K95du0YLWSMVvw=;\n\tb=mvDaQBFo2hXyhlx0LnmENbuWd7\n\t3hFfC7Vv4gQ6maRgMXyOhJ1JIspEbJkHLxEVEOBUIs2K9Ie2F/0/KXbZYi8EvUdhwg8vbgf44xHI0\n\tXdWfP9/uV+yrNbp+qXwjwG5RBFRGCbDGNTyKmYMg3dnzpBf0l2pniHG1LvWrXK1fItOuNeI+YN6Ux\n\tn1y80gRSrxCaSYUw0e8QscvsUpIsFN4U8eM4bnDaYQ1XCXJroiN7qw+/VsCfl6yrCXxMeXXV89moJ\n\tRXPWLr8lxJkxEiZAqDRcSPxaiFqoxdBNHtTCroxMuuXd3wYh0BLaqwKKLgAqTgMVOtlaWm5lpronT\n\tiEKEqadw==;", "v=1; a=rsa-sha256; c=relaxed/relaxed; d=alliedtelesis.co.nz; \n\ts=mail; t=1506399422;\n\tbh=CAM5w8ECjT5xBJN3gYbenbNNXPExYwDEtKiwXDidkcY=;\n\th=From:To:Cc:Subject:Date:In-Reply-To:References;\n\tb=ZCawBSYoSAe+b4GW403Nni5AQo/3IOhVuXhVsN8gO4OyKPpd96k9IrDH0/vzpCqjW\n\tVTPnxyIM4F3L6RRr/B/1UAzmYdyEQARaoGFh4my8oEN5GVmLklrMxLfkvc9Sk/rd0H\n\tAF9nX7CD5UHwP8wzstDzzUB0KnccxTCNZtlznnt0=" ], "From": "Kalyan Kinthada <kalyan.kinthada@alliedtelesis.co.nz>", "To": "dwmw2@infradead.org, computersforpeace@gmail.com,\n\tboris.brezillon@free-electrons.com, marek.vasut@gmail.com,\n\trichard@nod.at, \n\tcyrille.pitchen@wedev4u.fr, robh+dt@kernel.org, mark.rutland@arm.com, \n\tezequiel.garcia@free-electrons.com, devicetree@vger.kernel.org", "Subject": "[PATCH 2/2] mtd: nand: pxa3xx: Handle \"marvell,\n\tnand-force-csx\" compatible string", "Date": "Tue, 26 Sep 2017 17:17:00 +1300", "Message-Id": "<20170926041700.22663-3-kalyan.kinthada@alliedtelesis.co.nz>", "X-Mailer": "git-send-email 2.14.1", "In-Reply-To": "<20170926041700.22663-1-kalyan.kinthada@alliedtelesis.co.nz>", "References": "<20170926041700.22663-1-kalyan.kinthada@alliedtelesis.co.nz>", "X-CRM114-Version": "20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ", "X-CRM114-CacheID": "sfid-20170925_211735_312705_DAEB6A51 ", "X-CRM114-Status": "GOOD ( 11.36 )", "X-Spam-Score": "-2.0 (--)", "X-Spam-Report": "SpamAssassin version 3.4.1 on bombadil.infradead.org summary:\n\tContent analysis details: (-2.0 points)\n\tpts rule name description\n\t---- ----------------------\n\t--------------------------------------------------\n\t-0.0 SPF_PASS SPF: sender matches SPF record\n\t-0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay\n\tdomain\n\t-0.0 SPF_HELO_PASS SPF: HELO matches SPF record\n\t-1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n\t[score: 0.0000]\n\t-0.1 DKIM_VALID Message has at least one valid DKIM or DK signature\n\t0.1 DKIM_SIGNED Message has a DKIM or DK signature,\n\tnot necessarily valid\n\t-0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from\n\tauthor's domain", "X-BeenThere": "linux-mtd@lists.infradead.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Id": "Linux MTD discussion mailing list <linux-mtd.lists.infradead.org>", "List-Unsubscribe": "<http://lists.infradead.org/mailman/options/linux-mtd>,\n\t<mailto:linux-mtd-request@lists.infradead.org?subject=unsubscribe>", "List-Archive": "<http://lists.infradead.org/pipermail/linux-mtd/>", "List-Post": "<mailto:linux-mtd@lists.infradead.org>", "List-Help": "<mailto:linux-mtd-request@lists.infradead.org?subject=help>", "List-Subscribe": "<http://lists.infradead.org/mailman/listinfo/linux-mtd>,\n\t<mailto:linux-mtd-request@lists.infradead.org?subject=subscribe>", "Cc": "Kalyan Kinthada <kalyan.kinthada@alliedtelesis.co.nz>,\n\tchris.packham@alliedtelesis.co.nz, linux-mtd@lists.infradead.org,\n\tlinux-kernel@vger.kernel.org", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "\"linux-mtd\" <linux-mtd-bounces@lists.infradead.org>", "Errors-To": "linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org" }, "content": "When the arbitration between NOR and NAND flash is enabled\nthe <FORCE_CSX> field bit[21] in the Data Flash Control Register\nneeds to be set to 1 according to guidleine GL-5830741.\n\nThis commit sets the FORCE_CSX bit to 1 if the compatible\nstring \"marvell,nand-force-csx\" is enabled in the device tree\nof the corresponding boards.\n\nSigned-off-by: Kalyan Kinthada <kalyan.kinthada@alliedtelesis.co.nz>\n---\n drivers/mtd/nand/pxa3xx_nand.c | 6 ++++++\n include/linux/platform_data/mtd-nand-pxa3xx.h | 3 +++\n 2 files changed, 9 insertions(+)", "diff": "diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c\nindex 85cff68643e0..4ad1f0601930 100644\n--- a/drivers/mtd/nand/pxa3xx_nand.c\n+++ b/drivers/mtd/nand/pxa3xx_nand.c\n@@ -68,6 +68,7 @@\n #define NDCR_PAGE_SZ\t\t(0x1 << 24)\n #define NDCR_NCSX\t\t(0x1 << 23)\n #define NDCR_ND_MODE\t\t(0x3 << 21)\n+#define NDCR_FORCE_CSX\t\t(0x1 << 21)\n #define NDCR_NAND_MODE \t(0x0)\n #define NDCR_CLR_PG_CNT\t\t(0x1 << 20)\n #define NFCV1_NDCR_ARB_CNTL\t(0x1 << 19)\n@@ -1464,6 +1465,7 @@ static int pxa3xx_nand_config_ident(struct pxa3xx_nand_info *info)\n \tinfo->chunk_size = PAGE_CHUNK_SIZE;\n \tinfo->reg_ndcr = 0x0; /* enable all interrupts */\n \tinfo->reg_ndcr |= (pdata->enable_arbiter) ? NDCR_ND_ARB_EN : 0;\n+\tinfo->reg_ndcr |= (pdata->force_csx) ? NDCR_FORCE_CSX : 0;\n \tinfo->reg_ndcr |= NDCR_RD_ID_CNT(READ_ID_BYTES);\n \tinfo->reg_ndcr |= NDCR_SPARE_EN;\n \n@@ -1498,6 +1500,7 @@ static void pxa3xx_nand_detect_config(struct pxa3xx_nand_info *info)\n \tinfo->reg_ndcr = ndcr &\n \t\t~(NDCR_INT_MASK | NDCR_ND_ARB_EN | NFCV1_NDCR_ARB_CNTL);\n \tinfo->reg_ndcr |= (pdata->enable_arbiter) ? NDCR_ND_ARB_EN : 0;\n+\tinfo->reg_ndcr |= (pdata->force_csx) ? NDCR_FORCE_CSX : 0;\n \tinfo->ndtr0cs0 = nand_readl(info, NDTR0CS0);\n \tinfo->ndtr1cs0 = nand_readl(info, NDTR1CS0);\n }\n@@ -1936,6 +1939,9 @@ static int pxa3xx_nand_probe_dt(struct platform_device *pdev)\n \t\tpdata->enable_arbiter = 1;\n \tif (of_get_property(np, \"marvell,nand-keep-config\", NULL))\n \t\tpdata->keep_config = 1;\n+\tif (of_get_property(np, \"marvell,nand-force-csx\", NULL))\n+\t\t/* Ref#: GL-5830741 */\n+\t\tpdata->force_csx = 1;\n \tof_property_read_u32(np, \"num-cs\", &pdata->num_cs);\n \n \tpdev->dev.platform_data = pdata;\ndiff --git a/include/linux/platform_data/mtd-nand-pxa3xx.h b/include/linux/platform_data/mtd-nand-pxa3xx.h\nindex 394d15597dc7..e7f2c8647c0e 100644\n--- a/include/linux/platform_data/mtd-nand-pxa3xx.h\n+++ b/include/linux/platform_data/mtd-nand-pxa3xx.h\n@@ -28,6 +28,9 @@ struct pxa3xx_nand_platform_data {\n \t/* allow platform code to keep OBM/bootloader defined NFC config */\n \tint\tkeep_config;\n \n+\t/* Force chip select false on busy */\n+\tint\tforce_csx;\n+\n \t/* indicate how many chip selects will be used */\n \tint\tnum_cs;\n \n", "prefixes": [ "2/2" ] }