From patchwork Mon Sep 21 14:02:50 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 7231791 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 8D228BEEC1 for ; Mon, 21 Sep 2015 14:13:50 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B2F5C207B9 for ; Mon, 21 Sep 2015 14:13:49 +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 DE86B203ED for ; Mon, 21 Sep 2015 14:13:48 +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 1Ze1ny-0003lH-6a; Mon, 21 Sep 2015 14:10:54 +0000 Received: from mail-wi0-x230.google.com ([2a00:1450:400c:c05::230]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Ze1mY-0000EG-09 for linux-arm-kernel@lists.infradead.org; Mon, 21 Sep 2015 14:09:30 +0000 Received: by wiclk2 with SMTP id lk2so148415675wic.0 for ; Mon, 21 Sep 2015 07:09:04 -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=xB6zjfcD/Ag5TOTo4dDsN+lAAbEwP4t2DJey0fADHRc=; b=lKa5CoIuNIruPEHtml2sam7C1j+g8juzah26MZXgJJeEoxT1sw+YU1zpe0M+IvwPCT +IBSqN26tZLgcvXZpMzJoUupHPv+0/51yTnrcOGTDtTeV2zxAoFMMloRmYhbhF63qP2u kRqFeuJ6uUYZNDFkrktGbsKV6nIuQujVP6RIeMF8Ta9krdcts1CJ7dBSNXDjlAsypg8p /wMl7bPHVnFzW/ewmbkeYUakgh/Wp/K6BTJhunwvdYShY3wi58TqbICx704XI5Xl1tyX qfdY3zDmgVHXn08hB0qRJB3XThzp4iH9nDGORZWOG29UC756KXmmTaw/3JTwjtH4lRId oTJA== X-Received: by 10.194.171.69 with SMTP id as5mr3553447wjc.137.1442844231460; Mon, 21 Sep 2015 07:03:51 -0700 (PDT) Received: from cizrna.lan ([109.72.12.69]) by smtp.gmail.com with ESMTPSA id gk9sm13687031wib.9.2015.09.21.07.03.49 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 21 Sep 2015 07:03:50 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Subject: [PATCH v6 10/22] drm/tegra: Probe dpaux devices on demand Date: Mon, 21 Sep 2015 16:02:50 +0200 Message-Id: <1442844182-27787-11-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1442844182-27787-1-git-send-email-tomeu.vizoso@collabora.com> References: <1442844182-27787-1-git-send-email-tomeu.vizoso@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150921_070926_609207_F52E31A4 X-CRM114-Status: GOOD ( 13.72 ) X-Spam-Score: -2.6 (--) 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 , Greg Kroah-Hartman , Linus Walleij , Dmitry Torokhov , "Rafael J. Wysocki" , Rob Herring , Javier Martinez Canillas , Mark Brown , Thierry Reding , Alan Stern , 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,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 dpaux device 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 --- drivers/gpu/drm/tegra/dpaux.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/tegra/dpaux.c b/drivers/gpu/drm/tegra/dpaux.c index 6aecb6647313..40bdc2a98548 100644 --- a/drivers/gpu/drm/tegra/dpaux.c +++ b/drivers/gpu/drm/tegra/dpaux.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include #include @@ -440,6 +441,8 @@ struct tegra_dpaux *tegra_dpaux_find_by_of_node(struct device_node *np) { struct tegra_dpaux *dpaux; + of_device_probe(np); + mutex_lock(&dpaux_lock); list_for_each_entry(dpaux, &dpaux_list, list)