From patchwork Mon Sep 7 12:23:35 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 515121 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 508021401AF for ; Mon, 7 Sep 2015 22:31:33 +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=zbIEECE5; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751450AbbIGMbb (ORCPT ); Mon, 7 Sep 2015 08:31:31 -0400 Received: from mail-wi0-f174.google.com ([209.85.212.174]:33841 "EHLO mail-wi0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751784AbbIGMY0 (ORCPT ); Mon, 7 Sep 2015 08:24:26 -0400 Received: by wicfx3 with SMTP id fx3so86931286wic.1; Mon, 07 Sep 2015 05:24:24 -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=HllCLjDZduo50zXlLQ0z9OEazkOYgWxwFE33q4nr760=; b=zbIEECE5e+SYoVdgccqJhPJvJInejBQXY63og67LtHTwfsrvNexUeXF22geZZlVr3x 15iir7+I/Kx3vn4z6kVt43SDWfwKGbzoVf462BWrJjam5mtOe8pJjokFm6Sk/k5YAlO5 z0lAMXrW+IHseybu8GdtKT98XCD+b8VbIQGzBL3dKkRb5nrxZchg4gBt8vBeEV/hmhue GYv44nzmszSK/bOZ6OrKUMKWWbr1DENdK67lH5MDJ6/8VK6U+qvD5HozWrrP9esb4zf0 f8W1UT+69B3G53Jm2dwkx7QKxruecqxNZPlT1OD0vzQbkO9NSjr8lfdRJFmxx2bQ9Yiq b9Tw== X-Received: by 10.194.133.73 with SMTP id pa9mr35299269wjb.148.1441628664366; Mon, 07 Sep 2015 05:24:24 -0700 (PDT) Received: from cizrna.lan ([109.72.12.78]) by smtp.gmail.com with ESMTPSA id cm6sm15438wib.22.2015.09.07.05.24.22 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 07 Sep 2015 05:24:23 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Cc: Rob Herring , 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 , =?UTF-8?q?Terje=20Bergstr=C3=B6m?= , dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org, Alexandre Courbot , David Airlie Subject: [PATCH v4 10/22] drm/tegra: Probe dpaux devices on demand Date: Mon, 7 Sep 2015 14:23:35 +0200 Message-Id: <1441628627-5143-11-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> Sender: linux-tegra-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org 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 --- Changes in v4: None Changes in v3: None Changes in v2: None 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 224a7dc8e4ed..96a2eec7e020 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 @@ -439,6 +440,8 @@ 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)