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GET /api/patches/208834/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
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{
    "id": 208834,
    "url": "http://patchwork.ozlabs.org/api/patches/208834/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/1356952428-19824-6-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": "",
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    "msgid": "<1356952428-19824-6-git-send-email-jagannadh.teki@gmail.com>",
    "list_archive_url": null,
    "date": "2012-12-31T11:13:44",
    "name": "[U-Boot,05/12] cmd_sf: Define a functions for parsing read and write instructions",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": false,
    "hash": "530dfe101bd1aa86d11332b79a56991d47739a77",
    "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/1356952428-19824-6-git-send-email-jagannadh.teki@gmail.com/mbox/",
    "series": [],
    "comments": "http://patchwork.ozlabs.org/api/patches/208834/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/208834/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<u-boot-bounces@lists.denx.de>",
        "X-Original-To": "incoming@patchwork.ozlabs.org",
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        "X-Virus-Scanned": [
            "Debian amavisd-new at theia.denx.de",
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        ],
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        "X-Received": "by 10.68.238.8 with SMTP id vg8mr127155417pbc.26.1356952460068; \n\tMon, 31 Dec 2012 03:14:20 -0800 (PST)",
        "From": "Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>",
        "To": "u-boot@lists.denx.de",
        "Date": "Mon, 31 Dec 2012 16:43:44 +0530",
        "Message-Id": "<1356952428-19824-6-git-send-email-jagannadh.teki@gmail.com>",
        "X-Mailer": "git-send-email 1.7.0.4",
        "In-Reply-To": "<1356952428-19824-1-git-send-email-jagannadh.teki@gmail.com>",
        "References": "<1356952428-19824-1-git-send-email-jagannadh.teki@gmail.com>",
        "Subject": "[U-Boot] [PATCH 05/12] cmd_sf: Define a functions for parsing read\n\tand write instructions",
        "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>",
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        "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",
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        "Sender": "u-boot-bounces@lists.denx.de",
        "Errors-To": "u-boot-bounces@lists.denx.de"
    },
    "content": "This patch provides to define a separate functions for parsing read\nand write instructions by taking instruction argument from user.\n\nSo-that the common functions can used in a different levels for\nparsing read and write instructions.\n\nSigned-off-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>\n---\n common/cmd_sf.c |   70 ++++++++++++++++++++++++++++++++++++++++++------------\n 1 files changed, 54 insertions(+), 16 deletions(-)",
    "diff": "diff --git a/common/cmd_sf.c b/common/cmd_sf.c\nindex 4cfd48a..d59ecce 100644\n--- a/common/cmd_sf.c\n+++ b/common/cmd_sf.c\n@@ -234,6 +234,48 @@ static int spi_flash_update(struct spi_flash *flash, u8 wr_inst, u8 rd_inst,\n \treturn 0;\n }\n \n+/*\n+ * This function parsed the write instruction for write operation\n+ *\n+ * Input:\n+ *    arg: specified write instruction from user\n+ * Output:\n+ *    wr_inst: parsed write instruction for write operation\n+ * Return:\n+ *    1: for Unknown wr_inst from user\n+ *    0: Success\n+ */\n+static int sf_parse_wr_inst_arg(char *arg, u8 *wr_inst)\n+{\n+\tif (strcmp(arg, \"pp\") == 0)\n+\t\t*wr_inst = CMD_PAGE_PROGRAM;\n+\telse\n+\t\treturn 1;\n+\n+\treturn 0;\n+}\n+\n+/*\n+ * This function parsed the read instruction for read operation\n+ *\n+ * Input:\n+ *    arg: specified read instruction from user\n+ * Output:\n+ *    rd_inst: parsed read instruction for write operation\n+ * Return:\n+ *    1: for Unknown rd_inst from user\n+ *    0: Success\n+ */\n+static int sf_parse_rd_inst_arg(char *arg, u8 *rd_inst)\n+{\n+\tif (strcmp(arg, \"afr\") == 0)\n+\t\t*rd_inst = CMD_READ_ARRAY_FAST;\n+\telse\n+\t\treturn 1;\n+\n+\treturn 0;\n+}\n+\n static int do_spi_flash_read_write(int argc, char * const argv[])\n {\n \tunsigned long addr;\n@@ -281,41 +323,37 @@ static int do_spi_flash_read_write(int argc, char * const argv[])\n \t}\n \n \tif (strcmp(argv[0], \"update\") == 0) {\n-\t\tif (strcmp(argv[1], \"pp\") == 0)\n-\t\t\twr_inst = CMD_PAGE_PROGRAM;\n-\t\telse {\n+\t\tret = sf_parse_wr_inst_arg(argv[1], &wr_inst);\n+\t\tif (ret) {\n \t\t\tprintf(\"SF: Unknown %s wr_inst on 'sf update'\\n\",\n \t\t\t\t\targv[1]);\n-\t\t\treturn 1;\n+\t\t\treturn ret;\n \t\t}\n \n-\t\tif (strcmp(argv[2], \"afr\") == 0)\n-\t\t\trd_inst = CMD_READ_ARRAY_FAST;\n-\t\telse {\n+\t\tret = sf_parse_rd_inst_arg(argv[2], &rd_inst);\n+\t\tif (ret) {\n \t\t\tprintf(\"SF: Unknown %s rd_inst on 'sf update'\\n\",\n \t\t\t\t\targv[2]);\n-\t\t\treturn 1;\n+\t\t\treturn ret;\n \t\t}\n \n \t\tret = spi_flash_update(flash, wr_inst, rd_inst,\n \t\t\t\t\toffset, len, buf);\n \t} else if (strcmp(argv[0], \"read\") == 0) {\n-\t\tif (strcmp(argv[1], \"afr\") == 0)\n-\t\t\trd_inst = CMD_READ_ARRAY_FAST;\n-\t\telse {\n+\t\tret = sf_parse_rd_inst_arg(argv[1], &rd_inst);\n+\t\tif (ret) {\n \t\t\tprintf(\"SF: Unknown %s rd_inst on 'sf read'\\n\",\n \t\t\t\t\targv[1]);\n-\t\t\treturn 1;\n+\t\t\treturn ret;\n \t\t}\n \n \t\tret = spi_flash_read(flash, rd_inst, offset, len, buf);\n \t} else {\n-\t\tif (strcmp(argv[1], \"pp\") == 0)\n-\t\t\twr_inst = CMD_PAGE_PROGRAM;\n-\t\telse {\n+\t\tret = sf_parse_wr_inst_arg(argv[1], &wr_inst);\n+\t\tif (ret) {\n \t\t\tprintf(\"SF: Unknown %s wr_inst on 'sf write'\\n\",\n \t\t\t\t\targv[1]);\n-\t\t\treturn 1;\n+\t\t\treturn ret;\n \t\t}\n \n \t\tret = spi_flash_write(flash, wr_inst, offset, len, buf);\n",
    "prefixes": [
        "U-Boot",
        "05/12"
    ]
}