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GET /api/patches/633521/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
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{
    "id": 633521,
    "url": "http://patchwork.ozlabs.org/api/patches/633521/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/skiboot/patch/1465535032-26749-4-git-send-email-gwshan@linux.vnet.ibm.com/",
    "project": {
        "id": 44,
        "url": "http://patchwork.ozlabs.org/api/projects/44/?format=api",
        "name": "skiboot firmware development",
        "link_name": "skiboot",
        "list_id": "skiboot.lists.ozlabs.org",
        "list_email": "skiboot@lists.ozlabs.org",
        "web_url": "http://github.com/open-power/skiboot",
        "scm_url": "http://github.com/open-power/skiboot",
        "webscm_url": "",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<1465535032-26749-4-git-send-email-gwshan@linux.vnet.ibm.com>",
    "list_archive_url": null,
    "date": "2016-06-10T05:03:32",
    "name": "[v12,03/23] core/fdt: Introduce flatten_dt_properties()",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "0defe1c36f3a185696e25d66778174c35a846641",
    "submitter": {
        "id": 63923,
        "url": "http://patchwork.ozlabs.org/api/people/63923/?format=api",
        "name": "Gavin Shan",
        "email": "gwshan@linux.vnet.ibm.com"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/skiboot/patch/1465535032-26749-4-git-send-email-gwshan@linux.vnet.ibm.com/mbox/",
    "series": [],
    "comments": "http://patchwork.ozlabs.org/api/patches/633521/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/633521/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        ],
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        "X-IBM-MailFrom": "gwshan@linux.vnet.ibm.com",
        "X-IBM-RcptTo": "skiboot@lists.ozlabs.org",
        "From": "Gavin Shan <gwshan@linux.vnet.ibm.com>",
        "To": "skiboot@lists.ozlabs.org",
        "Date": "Fri, 10 Jun 2016 15:03:32 +1000",
        "X-Mailer": "git-send-email 2.1.0",
        "In-Reply-To": "<1465535032-26749-1-git-send-email-gwshan@linux.vnet.ibm.com>",
        "References": "<1465535032-26749-1-git-send-email-gwshan@linux.vnet.ibm.com>",
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        "Subject": "[Skiboot] [PATCH v12 03/23] core/fdt: Introduce\n\tflatten_dt_properties()",
        "X-BeenThere": "skiboot@lists.ozlabs.org",
        "X-Mailman-Version": "2.1.22",
        "Precedence": "list",
        "List-Id": "Mailing list for skiboot development <skiboot.lists.ozlabs.org>",
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        "Cc": "alistair@popple.id.au",
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        "Errors-To": "skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org",
        "Sender": "\"Skiboot\"\n\t<skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org>"
    },
    "content": "We need unflatten the child nodes of the specified one during PCI\nhot add time. After it, the FDT blob is transferred to kernel and\nunflattened there. A device sub-tree is represented by the FDT blob\nand it excludes the specified (root) node.\n\nThis introduces helper function flatten_dt_properties() to flatten\nthe properties of the specified node. In the path to create the\ndevice sub-tree, the root's properties is skipped in subsequent\npatch. In the mean time, the node tag is created in flatten_dt_node()\nso that the function is self-contained. No functional changes introduced.\n\nSigned-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>\n---\n core/fdt.c | 27 +++++++++++++--------------\n 1 file changed, 13 insertions(+), 14 deletions(-)",
    "diff": "diff --git a/core/fdt.c b/core/fdt.c\nindex 4ef470d..a934e08 100644\n--- a/core/fdt.c\n+++ b/core/fdt.c\n@@ -118,25 +118,30 @@ static void dump_fdt(void)\n static inline void dump_fdt(void) { }\n #endif\n \n-static void flatten_dt_node(const struct dt_node *root)\n+static void flatten_dt_properties(const struct dt_node *dn)\n {\n-\tconst struct dt_node *i;\n \tconst struct dt_property *p;\n \n-\tFDT_DBG(\"node: %s\\n\", root->name);\n-\tlist_for_each(&root->properties, p, list) {\n+\tlist_for_each(&dn->properties, p, list) {\n \t\tif (strstarts(p->name, DT_PRIVATE))\n \t\t\tcontinue;\n \n \t\tFDT_DBG(\"  prop: %s size: %ld\\n\", p->name, p->len);\n \t\tdt_property(p);\n \t}\n+}\n \n-\tlist_for_each(&root->children, i, list) {\n-\t\tdt_begin_node(i);\n+static void flatten_dt_node(const struct dt_node *root)\n+{\n+\tconst struct dt_node *i;\n+\n+\tFDT_DBG(\"node: %s\\n\", root->name);\n+\tdt_begin_node(root);\n+\tflatten_dt_properties(root);\n+\tlist_for_each(&root->children, i, list)\n \t\tflatten_dt_node(i);\n-\t\tdt_end_node();\n-\t}\n+\n+\tdt_end_node();\n }\n \n static void create_dtb_reservemap(const struct dt_node *root)\n@@ -181,15 +186,9 @@ void *create_dtb(const struct dt_node *root)\n \n \t\tcreate_dtb_reservemap(root);\n \n-\t\t/* Open root node */\n-\t\tdt_begin_node(root);\n-\n \t\t/* Unflatten our live tree */\n \t\tflatten_dt_node(root);\n \n-\t\t/* Close root node */\n-\t\tdt_end_node();\n-\n \t\tsave_err(fdt_finish(fdt));\n \n \t\tif (!fdt_error)\n",
    "prefixes": [
        "v12",
        "03/23"
    ]
}