Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932194AbbG1NVH (ORCPT ); Tue, 28 Jul 2015 09:21:07 -0400 Received: from mail-wi0-f182.google.com ([209.85.212.182]:37755 "EHLO mail-wi0-f182.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932102AbbG1NVD (ORCPT ); Tue, 28 Jul 2015 09:21:03 -0400 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 , Wolfram Sang , linux-i2c@vger.kernel.org Subject: [PATCH v2 13/22] i2c: core: Probe i2c master devices on demand Date: Tue, 28 Jul 2015 15:19:44 +0200 Message-Id: <1438089593-7696-14-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-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1103 Lines: 36 When looking up an i2c master 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/i2c/i2c-core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index e6d4935161e4..5520b413e3db 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -1353,6 +1353,8 @@ struct i2c_adapter *of_find_i2c_adapter_by_node(struct device_node *node) { struct device *dev; + fwnode_ensure_device(&node->fwnode); + dev = bus_find_device(&i2c_bus_type, NULL, node, of_dev_node_match); if (!dev) -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/