Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/207454/?format=api
{ "id": 207454, "url": "http://patchwork.ozlabs.org/api/patches/207454/?format=api", "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/1355934463-24319-6-git-send-email-jagannadh.teki@gmail.com/", "project": { "id": 18, "url": "http://patchwork.ozlabs.org/api/projects/18/?format=api", "name": "U-Boot", "link_name": "uboot", "list_id": "u-boot.lists.denx.de", "list_email": "u-boot@lists.denx.de", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<1355934463-24319-6-git-send-email-jagannadh.teki@gmail.com>", "list_archive_url": null, "date": "2012-12-19T16:27:43", "name": "[U-Boot,U-Boot,v2,6/6] sf: Set QUAD enable bit support", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "be310fc81994eda504490768136b552d4911d182", "submitter": { "id": 20045, "url": "http://patchwork.ozlabs.org/api/people/20045/?format=api", "name": "Jagan Teki", "email": "jagannadh.teki@gmail.com" }, "delegate": { "id": 17739, "url": "http://patchwork.ozlabs.org/api/users/17739/?format=api", "username": "jagan", "first_name": "Jagannadha Sutradharudu", "last_name": "Teki", "email": "jagannadh.teki@gmail.com" }, "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/1355934463-24319-6-git-send-email-jagannadh.teki@gmail.com/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/207454/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/207454/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<u-boot-bounces@lists.denx.de>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Received": [ "from theia.denx.de (theia.denx.de [85.214.87.163])\n\tby ozlabs.org (Postfix) with ESMTP id 9FB902C0089\n\tfor <incoming@patchwork.ozlabs.org>;\n\tThu, 20 Dec 2012 03:29:31 +1100 (EST)", "from localhost (localhost [127.0.0.1])\n\tby theia.denx.de (Postfix) with ESMTP id 142304A097;\n\tWed, 19 Dec 2012 17:28:53 +0100 (CET)", "from theia.denx.de ([127.0.0.1])\n\tby localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id 375x0LZGFB4t; Wed, 19 Dec 2012 17:28:52 +0100 (CET)", "from theia.denx.de (localhost [127.0.0.1])\n\tby theia.denx.de (Postfix) with ESMTP id 10F004A027;\n\tWed, 19 Dec 2012 17:28:45 +0100 (CET)", "from localhost (localhost [127.0.0.1])\n\tby theia.denx.de (Postfix) with ESMTP id 728F44A047\n\tfor <u-boot@lists.denx.de>; Wed, 19 Dec 2012 17:28:43 +0100 (CET)", "from theia.denx.de ([127.0.0.1])\n\tby localhost (theia.denx.de [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id tKHhYB+oJtfg for <u-boot@lists.denx.de>;\n\tWed, 19 Dec 2012 17:28:42 +0100 (CET)", "from mail-da0-f52.google.com (mail-da0-f52.google.com\n\t[209.85.210.52]) by theia.denx.de (Postfix) with ESMTPS id 6D31B4A044\n\tfor <u-boot@lists.denx.de>; Wed, 19 Dec 2012 17:28:24 +0100 (CET)", "by mail-da0-f52.google.com with SMTP id f10so1002672dak.11\n\tfor <u-boot@lists.denx.de>; Wed, 19 Dec 2012 08:28:22 -0800 (PST)", "from localhost.localdomain ([123.237.83.48])\n\tby mx.google.com with ESMTPS id z5sm3683430pax.9.2012.12.19.08.28.19\n\t(version=TLSv1/SSLv3 cipher=OTHER);\n\tWed, 19 Dec 2012 08:28:21 -0800 (PST)" ], "X-Virus-Scanned": [ "Debian amavisd-new at theia.denx.de", "Debian amavisd-new at theia.denx.de" ], "X-policyd-weight": "NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5\n\tNOT_IN_BL_NJABL=-1.5 (only DNSBL check requested)", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113;\n\th=x-received:from:to:cc:subject:date:message-id:x-mailer:in-reply-to\n\t:references; bh=L4r/PoKnOGNIw63SZ2cVkYq7dLEGVm0lznxXWDRXM4w=;\n\tb=v80WipM/tKNUc0UTV7FfKne1LRhMksLd+dC+jbHAl8+nFFFUAkM+iIbiC/O6KFVkuP\n\tcV9GYyfUg1UFncvs7a9CNVFo6vuZByU0DgbjQZbDwSQ5Mf6rLkF6tpCezK428LV+/TOo\n\tCFuHRlAU8M3o4KaHrOgVjYyaJO0Fobm+Bo1n5wXRCHGnn2Z9OLyi7og2h+hE1nNrxEl/\n\tEUz2G1GhGzvlaz9+NUr4TpNSZeZXFZz1PyKv6HkRoCYFQNSGnu1HdRp0/N2KcD6rtI3h\n\tUUXDAz2EZcGJxLJd9hN/k4qRNHPkVdsAi7p0abR3/973blkt8sCjyZqlMDmWJY7vYvwh\n\tiw9g==", "X-Received": "by 10.68.235.71 with SMTP id uk7mr20444362pbc.10.1355934502209; \n\tWed, 19 Dec 2012 08:28:22 -0800 (PST)", "From": "Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>", "To": "u-boot@lists.denx.de", "Date": "Wed, 19 Dec 2012 21:57:43 +0530", "Message-Id": "<1355934463-24319-6-git-send-email-jagannadh.teki@gmail.com>", "X-Mailer": "git-send-email 1.7.0.4", "In-Reply-To": "<1355934463-24319-1-git-send-email-jagannadh.teki@gmail.com>", "References": "<1355934463-24319-1-git-send-email-jagannadh.teki@gmail.com>", "Subject": "[U-Boot] [U-Boot,v2 6/6] sf: Set QUAD enable bit support", "X-BeenThere": "u-boot@lists.denx.de", "X-Mailman-Version": "2.1.11", "Precedence": "list", "List-Id": "U-Boot discussion <u-boot.lists.denx.de>", "List-Unsubscribe": "<http://lists.denx.de/mailman/options/u-boot>,\n\t<mailto:u-boot-request@lists.denx.de?subject=unsubscribe>", "List-Archive": "<http://lists.denx.de/pipermail/u-boot>", "List-Post": "<mailto:u-boot@lists.denx.de>", "List-Help": "<mailto:u-boot-request@lists.denx.de?subject=help>", "List-Subscribe": "<http://lists.denx.de/mailman/listinfo/u-boot>,\n\t<mailto:u-boot-request@lists.denx.de?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Sender": "u-boot-bounces@lists.denx.de", "Errors-To": "u-boot-bounces@lists.denx.de" }, "content": "This patch provides support to set the QUAD enable bit on flash.\n\nQUAD enable bit needs to set before performing any QUAD IO operations\non respective SPI flashes.\n\nUser need to use spi_flash_set_quad_enable_bit() to set the\nQUAD enable bit based on their usage.\n\nSigned-off-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>\n---\nChanges in v2:\n Improved code logic\n\n drivers/mtd/spi/spi_flash.c | 31 +++++++++++++++++++++++++++++++\n drivers/mtd/spi/spi_flash_internal.h | 4 ++++\n 2 files changed, 35 insertions(+), 0 deletions(-)", "diff": "diff --git a/drivers/mtd/spi/spi_flash.c b/drivers/mtd/spi/spi_flash.c\nindex 5bddde4..675a0bf 100644\n--- a/drivers/mtd/spi/spi_flash.c\n+++ b/drivers/mtd/spi/spi_flash.c\n@@ -329,6 +329,37 @@ int spi_flash_cmd_read_config(struct spi_flash *flash, void *data)\n \treturn 0;\n }\n \n+int spi_flash_set_quad_enable_bit(struct spi_flash *flash)\n+{\n+\tu8 data = 0, write_done = 0;\n+\tint ret, pass;\n+\n+\tfor (pass = 0; pass < 2; pass++) {\n+\t\tret = spi_flash_cmd_read_config(flash, (void *)&data);\n+\t\tif (ret < 0) {\n+\t\t\tdebug(\"SF: fail to read config register\\n\");\n+\t\t\treturn ret;\n+\t\t}\n+\n+\t\tif (data & STATUS_QEB) {\n+\t\t\tdebug(\"SF: quad enable bit is set.\\n\");\n+\t\t\treturn ret;\n+\t\t} else if (write_done != 1) {\n+\t\t\tdebug(\"SF: need to set quad enable bit\\n\");\n+\n+\t\t\twrite_done = 1;\n+\t\t\tret = spi_flash_cmd_write_config(flash, STATUS_QEB);\n+\t\t\tif (ret < 0) {\n+\t\t\t\tdebug(\"SF: fail to write quad enable bit\\n\");\n+\t\t\t\treturn ret;\n+\t\t\t}\n+\t\t}\n+\t}\n+\n+\tdebug(\"SF: fail to set quad enable bit\\n\");\n+\treturn -1;\n+}\n+\n /*\n * The following table holds all device probe functions\n *\ndiff --git a/drivers/mtd/spi/spi_flash_internal.h b/drivers/mtd/spi/spi_flash_internal.h\nindex 844e82e..15c7ac4 100644\n--- a/drivers/mtd/spi/spi_flash_internal.h\n+++ b/drivers/mtd/spi/spi_flash_internal.h\n@@ -31,6 +31,7 @@\n \n /* Common status */\n #define STATUS_WIP\t\t\t0x01\n+#define STATUS_QEB\t\t\t0x02\n \n /* Send a single-byte command to the device and read the response */\n int spi_flash_cmd(struct spi_slave *spi, u8 cmd, void *response, size_t len);\n@@ -87,6 +88,9 @@ int spi_flash_cmd_write_config(struct spi_flash *flash, u8 cr);\n /* Read the config register */\n int spi_flash_cmd_read_config(struct spi_flash *flash, void *data);\n \n+/* Set the QUAD enable bit */\n+int spi_flash_set_quad_enable_bit(struct spi_flash *flash);\n+\n /*\n * Same as spi_flash_cmd_read() except it also claims/releases the SPI\n * bus. Used as common part of the ->read() operation.\n", "prefixes": [ "U-Boot", "U-Boot", "v2", "6/6" ] }