From patchwork Tue Jul 28 13:19:49 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 6885311 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 [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id DB3BBC05AC for ; Tue, 28 Jul 2015 13:30:44 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 015852052F for ; Tue, 28 Jul 2015 13:30:44 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 3B56020689 for ; Tue, 28 Jul 2015 13:30:43 +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 1ZK4vx-0005CA-0y; Tue, 28 Jul 2015 13:28:41 +0000 Received: from mail-wi0-x234.google.com ([2a00:1450:400c:c05::234]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZK4p4-00055e-F5 for linux-arm-kernel@lists.infradead.org; Tue, 28 Jul 2015 13:21:35 +0000 Received: by wibud3 with SMTP id ud3so159253420wib.0 for ; Tue, 28 Jul 2015 06:21:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=1IwNw5N3oQEI02QWs/FnHf3srET8+NJuVrcEjPIVlNs=; b=VZbS4QrMFtN049M3zuu2ZStsVlPq9Hm23h3TX9qh3wS0BQtj1nQbdd9lCiaf1MBuYm OllMMTV5n12p9vceazKrZp/2Zf7PGtGMOE7nS6Akt/EHCCxb2jPXcEMx5HUQ89+vDdG5 /47HHHlnkC/TJEO+pqL6SWjHhuFy1oYoLPu9IFGLMq8ewHnFPpAM3PZpOunDUbj48Aph 5rLanPDJVHTT78knxtD/dHFDXyySxqWaOE2km0xZOEKqpd0k1XlPdT2TYLK6DqKPyd2Y ccY5IryZJorsEvaB94ulNlaY1EBHf3wZ0E//8st01Gi8tLElJDf2i4HBpjhYmJkWSgPB iKpw== X-Received: by 10.194.24.196 with SMTP id w4mr64972164wjf.137.1438089673142; Tue, 28 Jul 2015 06:21:13 -0700 (PDT) Received: from cizrna.lan ([109.72.12.179]) by smtp.gmail.com with ESMTPSA id h9sm33265696wjx.20.2015.07.28.06.21.11 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 28 Jul 2015 06:21:12 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Subject: [PATCH v2 18/22] pinctrl: Probe pinctrl devices on demand Date: Tue, 28 Jul 2015 15:19:49 +0200 Message-Id: <1438089593-7696-19-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1438089593-7696-1-git-send-email-tomeu.vizoso@collabora.com> References: <1438089593-7696-1-git-send-email-tomeu.vizoso@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150728_062134_699817_AF7C010E X-CRM114-Status: GOOD ( 12.58 ) X-Spam-Score: -2.4 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-acpi@vger.kernel.org, Arnd Bergmann , Stephen Warren , Linus Walleij , Dmitry Torokhov , "Rafael J. Wysocki" , Tomeu Vizoso , Javier Martinez Canillas , Mark Brown , Thierry Reding , linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org 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=-5.5 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=ham 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 When looking up a pin controller through its firmware node, probe it if it hasn't already. The goal is to reduce deferred probes to a minimum, as it makes it very cumbersome to find out why a device failed to probe, and can introduce very big delays in when a critical device is probed. Signed-off-by: Tomeu Vizoso --- Changes in v2: None drivers/pinctrl/devicetree.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pinctrl/devicetree.c b/drivers/pinctrl/devicetree.c index fe04e748dfe4..490860f6374e 100644 --- a/drivers/pinctrl/devicetree.c +++ b/drivers/pinctrl/devicetree.c @@ -112,6 +112,7 @@ static int dt_to_map_one_config(struct pinctrl *p, const char *statename, /* Find the pin controller containing np_config */ np_pctldev = of_node_get(np_config); + fwnode_ensure_device(&np_pctldev->fwnode); for (;;) { np_pctldev = of_get_next_parent(np_pctldev); if (!np_pctldev || of_node_is_root(np_pctldev)) {