From patchwork Fri Jul 4 08:30:44 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philipp Zabel X-Patchwork-Id: 4478801 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 447FBBEEAA for ; Fri, 4 Jul 2014 08:33:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 84BCC203E6 for ; Fri, 4 Jul 2014 08:33:44 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B1B76203E5 for ; Fri, 4 Jul 2014 08:33:43 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1X2yuV-0007Qr-KJ; Fri, 04 Jul 2014 08:31:59 +0000 Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1X2yuO-0007De-6b for linux-arm-kernel@lists.infradead.org; Fri, 04 Jul 2014 08:31:52 +0000 Received: from dude.hi.pengutronix.de ([10.1.0.7] helo=dude.pengutronix.de) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1X2ytQ-0006r4-VG; Fri, 04 Jul 2014 10:30:52 +0200 From: Philipp Zabel To: Russell King Subject: [PATCH 3/5] of: Add for_each_endpoint_of_node helper macro Date: Fri, 4 Jul 2014 10:30:44 +0200 Message-Id: <1404462646-1769-4-git-send-email-p.zabel@pengutronix.de> X-Mailer: git-send-email 2.0.0 In-Reply-To: <1404462646-1769-1-git-send-email-p.zabel@pengutronix.de> References: <1404462646-1769-1-git-send-email-p.zabel@pengutronix.de> X-SA-Exim-Connect-IP: 10.1.0.7 X-SA-Exim-Mail-From: p.zabel@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20140704_013152_492154_7ADCAC57 X-CRM114-Status: GOOD ( 11.17 ) X-Spam-Score: -0.0 (/) Cc: devel@driverdev.osuosl.org, Philipp Zabel , Greg Kroah-Hartman , Laurent Pinchart , kernel@pengutronix.de, Grant Likely , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Note that while of_graph_get_next_endpoint decrements the reference count of the child node passed to it, of_node_put(child) still has to be called manually when breaking out of the loop. Signed-off-by: Philipp Zabel --- include/linux/of_graph.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/include/linux/of_graph.h b/include/linux/of_graph.h index befef42..c5ef5fa 100644 --- a/include/linux/of_graph.h +++ b/include/linux/of_graph.h @@ -26,6 +26,10 @@ struct of_endpoint { const struct device_node *local_node; }; +#define for_each_endpoint_of_node(parent, child) \ + for (child = of_graph_get_next_endpoint(parent, NULL); child != NULL; \ + child = of_graph_get_next_endpoint(parent, child)) + #ifdef CONFIG_OF int of_graph_parse_endpoint(const struct device_node *node, struct of_endpoint *endpoint);