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{
    "id": 806176,
    "url": "http://patchwork.ozlabs.org/api/patches/806176/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/uboot/patch/20170826225328.7550-7-xypron.glpk@gmx.de/",
    "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",
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    "msgid": "<20170826225328.7550-7-xypron.glpk@gmx.de>",
    "list_archive_url": null,
    "date": "2017-08-26T22:53:25",
    "name": "[U-Boot,16/23] efi_loader: implement DisconnectController",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "6fedeb250791717d08b5744f2ba3388d99e97cff",
    "submitter": {
        "id": 61270,
        "url": "http://patchwork.ozlabs.org/api/people/61270/?format=api",
        "name": "Heinrich Schuchardt",
        "email": "xypron.glpk@gmx.de"
    },
    "delegate": {
        "id": 3400,
        "url": "http://patchwork.ozlabs.org/api/users/3400/?format=api",
        "username": "agraf",
        "first_name": "Alexander",
        "last_name": "Graf",
        "email": "agraf@suse.de"
    },
    "mbox": "http://patchwork.ozlabs.org/project/uboot/patch/20170826225328.7550-7-xypron.glpk@gmx.de/mbox/",
    "series": [],
    "comments": "http://patchwork.ozlabs.org/api/patches/806176/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/806176/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "From": "Heinrich Schuchardt <xypron.glpk@gmx.de>",
        "To": "Alexander Graf <agraf@suse.de>",
        "Date": "Sun, 27 Aug 2017 00:53:25 +0200",
        "Message-Id": "<20170826225328.7550-7-xypron.glpk@gmx.de>",
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        "References": "<20170826225110.7381-1-xypron.glpk@gmx.de>\n\t<20170826225328.7550-1-xypron.glpk@gmx.de>",
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        "Cc": "Heinrich Schuchardt <xypron.glpk@gmx.de>, u-boot@lists.denx.de",
        "Subject": "[U-Boot] [PATCH 16/23] efi_loader: implement DisconnectController",
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        "List-Id": "U-Boot discussion <u-boot.lists.denx.de>",
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        "Sender": "\"U-Boot\" <u-boot-bounces@lists.denx.de>"
    },
    "content": "Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>\n---\n lib/efi_loader/efi_boottime.c | 77 ++++++++++++++++++++++++++++++++++++++++++-\n 1 file changed, 76 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c\nindex 1069da7d79..c5a17b6252 100644\n--- a/lib/efi_loader/efi_boottime.c\n+++ b/lib/efi_loader/efi_boottime.c\n@@ -1052,9 +1052,84 @@ static efi_status_t EFIAPI efi_disconnect_controller(void *controller_handle,\n \t\t\t\t\t\t     void *driver_image_handle,\n \t\t\t\t\t\t     void *child_handle)\n {\n+\tstruct efi_driver_binding_protocol *binding_protocol;\n+\tefi_handle_t child_handle_buffer;\n+\tunsigned long driver_count;\n+\tefi_handle_t *driver_handle_buffer;\n+\tsize_t i;\n+\tUINTN number_of_children;\n+\tefi_status_t r;\n+\tsize_t stop_count = 0;\n+\n \tEFI_ENTRY(\"%p, %p, %p\", controller_handle, driver_image_handle,\n \t\t  child_handle);\n-\treturn EFI_EXIT(EFI_INVALID_PARAMETER);\n+\n+\tif (!efi_search_obj(controller_handle)) {\n+\t\tr = EFI_INVALID_PARAMETER;\n+\t\tgoto out;\n+\t}\n+\n+\t/* Create list of driver handles */\n+\tif (driver_image_handle) {\n+\t\tdriver_handle_buffer = &driver_image_handle,\n+\t\tdriver_count = 1;\n+\t\t/* Check that the handle supports driver binding protocol */\n+\t\tr = efi_search_protocol(driver_image_handle,\n+\t\t\t\t\t&efi_guid_driver_binding_protocol,\n+\t\t\t\t\tNULL);\n+\t} else {\n+\t\t/* Get buffer with all handles with driver binding protocol */\n+\t\tr = EFI_CALL(efi_locate_handle_buffer(\n+\t\t\t     by_protocol, &efi_guid_driver_binding_protocol,\n+\t\t\t     NULL, &driver_count, &driver_handle_buffer));\n+\t}\n+\tif (r != EFI_SUCCESS)\n+\t\tgoto out;\n+\n+\t/* Create list of child handles */\n+\tif (child_handle) {\n+\t\tnumber_of_children = 1;\n+\t\tchild_handle_buffer = &child_handle;\n+\t} else {\n+\t\t/*\n+\t\t * We do not fully support child handles.\n+\t\t *\n+\t\t * It is unclear from which handle and which protocols the\n+\t\t * list of child controllers should be collected.\n+\t\t */\n+\t\tnumber_of_children = 0;\n+\t\tchild_handle_buffer = NULL;\n+\t}\n+\n+\tfor (i = 0; i < driver_count; ++i) {\n+\t\tr = EFI_CALL(efi_open_protocol(\n+\t\t\t     driver_handle_buffer[i],\n+\t\t\t     &efi_guid_driver_binding_protocol,\n+\t\t\t     (void **)&binding_protocol,\n+\t\t\t     driver_handle_buffer[i], NULL,\n+\t\t\t     EFI_OPEN_PROTOCOL_GET_PROTOCOL));\n+\t\tif (r != EFI_SUCCESS)\n+\t\t\tcontinue;\n+\n+\t\tr = EFI_CALL(binding_protocol->stop(binding_protocol,\n+\t\t\t\t\t\t    controller_handle,\n+\t\t\t\t\t\t    number_of_children,\n+\t\t\t\t\t\t    child_handle_buffer));\n+\t\tif (r == EFI_SUCCESS)\n+\t\t\t++stop_count;\n+\t\tEFI_CALL(efi_close_protocol(driver_handle_buffer[i],\n+\t\t\t\t\t    &efi_guid_driver_binding_protocol,\n+\t\t\t\t\t    driver_handle_buffer[i], NULL));\n+\t}\n+\n+\tif (driver_image_handle)\n+\t\tefi_free_pool(driver_handle_buffer);\n+\tif (stop_count)\n+\t\tr = EFI_SUCCESS;\n+\telse\n+\t\tr = EFI_NOT_FOUND;\n+out:\n+\treturn EFI_EXIT(r);\n }\n \n efi_status_t EFIAPI efi_close_protocol(void *handle, const efi_guid_t *protocol,\n",
    "prefixes": [
        "U-Boot",
        "16/23"
    ]
}