From patchwork Mon Sep 7 12:23:31 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 7134891 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 3CEDF9F314 for ; Mon, 7 Sep 2015 12:48:55 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 5FA50206CB for ; Mon, 7 Sep 2015 12:48:54 +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 8708D20680 for ; Mon, 7 Sep 2015 12:48:53 +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 1ZYvp8-0003ns-In; Mon, 07 Sep 2015 12:47:02 +0000 Received: from merlin.infradead.org ([2001:4978:20e::2]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZYvoN-000349-5x for linux-arm-kernel@bombadil.infradead.org; Mon, 07 Sep 2015 12:46:15 +0000 Received: from mail-wi0-x22a.google.com ([2a00:1450:400c:c05::22a]) by merlin.infradead.org with esmtps (Exim 4.85 #2 (Red Hat Linux)) id 1ZYvTW-00052S-H9 for linux-arm-kernel@lists.infradead.org; Mon, 07 Sep 2015 12:24:43 +0000 Received: by wicge5 with SMTP id ge5so82208816wic.0 for ; Mon, 07 Sep 2015 05:24:16 -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=ZtD9+hW83FxyaFd6zjpM4Mc1akd0E80SwUSQnPdywu4=; b=Sv7Wf52cNDVpeFeGZga31kZ6Tba1DNIcP8ZJK3JQhRaMsJenOd6ISAQ/nFoMqIkv4r GLUgYGB3j06LO1sKYpCZzSK/Ux92O2LMND1snnRsXyazwlV+3jtzW0a2A3Ic5BZReu6Q xPKkvx6yDZHr3Lbg5DONFF/BtFMkTY98vT+buckgtUaKP6pRWZTse+1fRMDEJ1bHphho VitwZDygz3yngVu0QwkU2ZdWbbolevk0EUtEqkF/CteRafgFBzCPWMpIloKEWbVGKela ViDpx0shzl9szLM1hO3OcrmxQ4xhIkwAjezMMTCEWsV00TZJPcfXuaKXq8Ik834bQoA7 rsyQ== X-Received: by 10.194.103.228 with SMTP id fz4mr10044178wjb.53.1441628656790; Mon, 07 Sep 2015 05:24:16 -0700 (PDT) Received: from cizrna.lan ([109.72.12.78]) by smtp.gmail.com with ESMTPSA id cm6sm15438wib.22.2015.09.07.05.24.15 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 07 Sep 2015 05:24:16 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Subject: [PATCH v4 06/22] gpio: Probe pinctrl devices on demand Date: Mon, 7 Sep 2015 14:23:31 +0200 Message-Id: <1441628627-5143-7-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_082442_817684_991A840C X-CRM114-Status: GOOD ( 13.28 ) 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: 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, Alexandre Courbot , 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/gpio/gpiolib-of.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 9a439dab7a87..05da9a56608d 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -359,6 +359,8 @@ static int of_gpiochip_add_pin_range(struct gpio_chip *chip) if (ret) break; + of_device_probe(pinspec.np); + pctldev = of_pinctrl_get(pinspec.np); if (!pctldev) return -EPROBE_DEFER;