From patchwork Tue Jul 28 13:19:39 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 501219 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id A63761402ED for ; Tue, 28 Jul 2015 23:28:52 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b=0Qcrkmao; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932155AbbG1N2h (ORCPT ); Tue, 28 Jul 2015 09:28:37 -0400 Received: from mail-wi0-f174.google.com ([209.85.212.174]:34574 "EHLO mail-wi0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754935AbbG1NUt (ORCPT ); Tue, 28 Jul 2015 09:20:49 -0400 Received: by wibud3 with SMTP id ud3so180557515wib.1; Tue, 28 Jul 2015 06:20:48 -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=P8w+8X/PMo/NqYGz0dgeNogd7SAFvkdS4BK8OB3R8zQ=; b=0QcrkmaoTfQQoxfd/Oq+avMAp5J1LKDjycxwdvyFf7RPDtNMntcjgQ5oxq/1eAhsZs aQiaolwELfRv23Im5pco4cSo6J8YY7hfz+axS86pvv/klKHykQJ+B8OhXZS/nmGsrGlc dIN9U5sWKQrl0UsP4YyymnmsvJNRZJ1iEobLFv/KE0dlD6OwRJdS4RC6GAzxy3DjxggQ u/Lf2r726NqWMU2xxYLkwubZww8oSuuGEx+8muAHp2uBvKlhk0qzsB4ATGX7W/EqNjM/ X0KTt+h4LX0maWgry2GsH2KgFYK4jJFUEYhs9TTj8qbY8/8nMKeLtubDraghZeOrxjZo TgHw== X-Received: by 10.194.120.198 with SMTP id le6mr65458756wjb.133.1438089648461; Tue, 28 Jul 2015 06:20:48 -0700 (PDT) Received: from cizrna.lan ([109.72.12.179]) by smtp.gmail.com with ESMTPSA id h9sm33265696wjx.20.2015.07.28.06.20.46 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 28 Jul 2015 06:20:47 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Cc: Stephen Warren , Javier Martinez Canillas , Mark Brown , Thierry Reding , "Rafael J. Wysocki" , linux-arm-kernel@lists.infradead.org, Dmitry Torokhov , devicetree@vger.kernel.org, Linus Walleij , linux-acpi@vger.kernel.org, Arnd Bergmann , Tomeu Vizoso , linux-gpio@vger.kernel.org, Alexandre Courbot Subject: [PATCH v2 08/22] gpio: Probe pinctrl devices on demand Date: Tue, 28 Jul 2015 15:19:39 +0200 Message-Id: <1438089593-7696-9-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> Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org 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/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 31a6b18a6542..2a6379c1fea7 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -358,6 +358,8 @@ static int of_gpiochip_add_pin_range(struct gpio_chip *chip) if (ret) break; + fwnode_ensure_device(&pinspec.np->fwnode); + pctldev = of_pinctrl_get(pinspec.np); if (!pctldev) return -EPROBE_DEFER;