From owner-p4-projects@FreeBSD.ORG Sun Jan 31 10:21:26 2010 Return-Path: Delivered-To: p4-projects@freebsd.org Received: by hub.freebsd.org (Postfix, from userid 32767) id EACFA1065676; Sun, 31 Jan 2010 10:21:25 +0000 (UTC) Delivered-To: perforce@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id AECE2106566C for ; Sun, 31 Jan 2010 10:21:25 +0000 (UTC) (envelope-from raj@freebsd.org) Received: from repoman.freebsd.org (repoman.freebsd.org [IPv6:2001:4f8:fff6::29]) by mx1.freebsd.org (Postfix) with ESMTP id 9CDD18FC18 for ; Sun, 31 Jan 2010 10:21:25 +0000 (UTC) Received: from repoman.freebsd.org (localhost [127.0.0.1]) by repoman.freebsd.org (8.14.3/8.14.3) with ESMTP id o0VALPjv033051 for ; Sun, 31 Jan 2010 10:21:25 GMT (envelope-from raj@freebsd.org) Received: (from perforce@localhost) by repoman.freebsd.org (8.14.3/8.14.3/Submit) id o0VALPE4033049 for perforce@freebsd.org; Sun, 31 Jan 2010 10:21:25 GMT (envelope-from raj@freebsd.org) Date: Sun, 31 Jan 2010 10:21:25 GMT Message-Id: <201001311021.o0VALPE4033049@repoman.freebsd.org> X-Authentication-Warning: repoman.freebsd.org: perforce set sender to raj@freebsd.org using -f From: Rafal Jaworowski To: Perforce Change Reviews Precedence: bulk Cc: Subject: PERFORCE change 173999 for review X-BeenThere: p4-projects@freebsd.org X-Mailman-Version: 2.1.5 List-Id: p4 projects tree changes List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 31 Jan 2010 10:21:26 -0000 http://p4web.freebsd.org/chv.cgi?CH=173999 Change 173999 by raj@raj_fdt on 2010/01/31 10:20:48 Introduce a helper fdt_find_compatible() routine. This is used early when ofw I/F is not available yet; note this is traversal through the whole device tree (slow). Affected files ... .. //depot/projects/fdt/sys/dev/fdt/fdt_common.c#8 edit .. //depot/projects/fdt/sys/dev/fdt/fdt_common.h#4 edit Differences ... ==== //depot/projects/fdt/sys/dev/fdt/fdt_common.c#8 (text+ko) ==== @@ -97,6 +97,20 @@ return (rv); } +phandle_t +fdt_find_compatible(phandle_t start, const char *compat) +{ + phandle_t child; + + /* + * Traverse all children of 'start' node, and find first with + * matching 'compatible' property. + */ + for (child = OF_child(start); child != 0; child = OF_peer(child)) + if (fdt_is_compatible(child, compat)) + return (child); + return (0); +} int fdt_is_enabled(phandle_t node) ==== //depot/projects/fdt/sys/dev/fdt/fdt_common.h#4 (text+ko) ==== @@ -53,5 +53,6 @@ int fdt_data_to_res(pcell_t *, int, int, u_long *, u_long *); int fdt_is_compatible(phandle_t, const char *); int fdt_is_enabled(phandle_t); +phandle_t fdt_find_compatible(phandle_t start, const char *compat); #endif /* FDT_COMMON_H */