From patchwork Mon Sep 7 12:23:41 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 7134391 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 73AF9BEEC1 for ; Mon, 7 Sep 2015 12:27:41 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 98C262066C for ; Mon, 7 Sep 2015 12:27:40 +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 7A174206B2 for ; Mon, 7 Sep 2015 12:27:39 +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 1ZYvUT-0001QL-D0; Mon, 07 Sep 2015 12:25:41 +0000 Received: from mail-wi0-x22a.google.com ([2a00:1450:400c:c05::22a]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZYvTl-0007xz-2c for linux-arm-kernel@lists.infradead.org; Mon, 07 Sep 2015 12:24:58 +0000 Received: by wicfx3 with SMTP id fx3so86936386wic.1 for ; Mon, 07 Sep 2015 05:24:35 -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=ZPbg8GAS3wvn1tveiYKBYH/mv5FeOBlWZ+abV2VmXT8=; b=XF+Z0riSZVVw/yWC70mlaFpOxvzMZO7eJnp3UZgjy9yKonlvWBxYGp6zizaY9GQZKr lyb3FtaHCw5KQP975LK/bdCRtkaDS1wYsyo/vsfPRltDCk99k3EaCWjUHuzmFZpyPcCK y+R7rVGzJPy4byppUBW0cDm3Jv0a2EPjmieWNIE1i0d24K49vx8DDTwzNUrTGEjpa7nA LMHlidycNE191ErRChhTmx7GfDbtGrSEpIN/n6d0c3NdKZUgIEs3lkypBrgy8tR0C/pJ RDwtMAZSMnw5xP8E7ICRb9NHrtRBuXO0fuWgfrbDrMy10jvZ+LXFBaNElyqKaty1ugvJ 65aw== X-Received: by 10.180.187.227 with SMTP id fv3mr33225569wic.57.1441628675607; Mon, 07 Sep 2015 05:24:35 -0700 (PDT) Received: from cizrna.lan ([109.72.12.78]) by smtp.gmail.com with ESMTPSA id cm6sm15438wib.22.2015.09.07.05.24.34 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 07 Sep 2015 05:24:34 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Subject: [PATCH v4 16/22] pinctrl: Probe pinctrl devices on demand Date: Mon, 7 Sep 2015 14:23:41 +0200 Message-Id: <1441628627-5143-17-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1441628627-5143-1-git-send-email-tomeu.vizoso@collabora.com> References: <1441628627-5143-1-git-send-email-tomeu.vizoso@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150907_052457_336905_3CEA514B X-CRM114-Status: GOOD ( 12.90 ) X-Spam-Score: -2.3 (--) 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: Tomeu Vizoso , devicetree@vger.kernel.org, linux-acpi@vger.kernel.org, Arnd Bergmann , Stephen Warren , Linus Walleij , Dmitry Torokhov , "Rafael J. Wysocki" , Rob Herring , 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=-4.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED, T_DKIM_INVALID, T_RP_MATCHES_RCVD, 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 OF 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 Acked-by: Linus Walleij --- Changes in v4: None Changes in v3: None Changes in v2: None drivers/pinctrl/devicetree.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/pinctrl/devicetree.c b/drivers/pinctrl/devicetree.c index fe04e748dfe4..f5340b8e1dbe 100644 --- a/drivers/pinctrl/devicetree.c +++ b/drivers/pinctrl/devicetree.c @@ -18,6 +18,7 @@ #include #include +#include #include #include @@ -110,6 +111,8 @@ static int dt_to_map_one_config(struct pinctrl *p, const char *statename, struct pinctrl_map *map; unsigned num_maps; + of_device_probe(np_config); + /* Find the pin controller containing np_config */ np_pctldev = of_node_get(np_config); for (;;) {