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X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 08 Mar 2022 19:47:39.3442 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 7ff52281-8d79-4c1f-13d2-08da013c80a6 X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.62.198];Helo=[xsj-pvapexch02.xlnx.xilinx.com] X-MS-Exchange-CrossTenant-AuthSource: DM3NAM02FT023.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DM6PR02MB5868 X-ZohoMail-DKIM: pass (identity @xilinx.onmicrosoft.com) X-ZM-MESSAGEID: 1646768885778100001 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add _dt_find_by_path() to find a matching node with path for a dt_device_no= de. Signed-off-by: Vikram Garhwal --- xen/common/device_tree.c | 10 ++++++++-- xen/include/xen/device_tree.h | 9 +++++++++ 2 files changed, 17 insertions(+), 2 deletions(-) diff --git a/xen/common/device_tree.c b/xen/common/device_tree.c index f43d66a501..2e334f949e 100644 --- a/xen/common/device_tree.c +++ b/xen/common/device_tree.c @@ -358,17 +358,23 @@ struct dt_device_node *dt_find_node_by_type(struct dt= _device_node *from, return np; } =20 -struct dt_device_node *dt_find_node_by_path(const char *path) +struct dt_device_node *_dt_find_node_by_path(struct dt_device_node *dt, + const char *path) { struct dt_device_node *np; =20 - dt_for_each_device_node(dt_host, np) + dt_for_each_device_node(dt, np) if ( np->full_name && (dt_node_cmp(np->full_name, path) =3D=3D 0) ) break; =20 return np; } =20 +struct dt_device_node *dt_find_node_by_path(const char *path) +{ + return _dt_find_node_by_path(dt_host, path); +} + int dt_find_node_by_gpath(XEN_GUEST_HANDLE(char) u_path, uint32_t u_plen, struct dt_device_node **node) { diff --git a/xen/include/xen/device_tree.h b/xen/include/xen/device_tree.h index 06d7866c10..9da32a851e 100644 --- a/xen/include/xen/device_tree.h +++ b/xen/include/xen/device_tree.h @@ -525,6 +525,15 @@ struct dt_device_node *dt_find_node_by_alias(const cha= r *alias); */ struct dt_device_node *dt_find_node_by_path(const char *path); =20 +/** + * _dt_find_node_by_path - Find a node matching a full DT path + * @dt_node: The device tree to search + * @path: The full path to match + * + * Returns a node pointer. + */ +struct dt_device_node *_dt_find_node_by_path(struct dt_device_node *dt, + const char *path); =20 /** * dt_find_node_by_gpath - Same as dt_find_node_by_path but retrieve the --=20 2.17.1