From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932412AbbG1NWn (ORCPT ); Tue, 28 Jul 2015 09:22:43 -0400 Received: from mail-wi0-f174.google.com ([209.85.212.174]:33553 "EHLO mail-wi0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932219AbbG1NVN (ORCPT ); Tue, 28 Jul 2015 09:21:13 -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 , Stephen Boyd , Michael Turquette , linux-clk@vger.kernel.org Subject: [PATCH v2 17/22] clk: Probe clk providers on demand Date: Tue, 28 Jul 2015 15:19:48 +0200 Message-Id: <1438089593-7696-18-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 When looking up a clock 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/clk/clk.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 7bb975747a2c..3cc951989a12 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -2979,6 +2979,9 @@ struct clk *__of_clk_get_from_provider(struct of_phandle_args *clkspec, if (!clkspec) return ERR_PTR(-EINVAL); + if (clkspec->np) + fwnode_ensure_device(&clkspec->np->fwnode); + /* Check if we have such a provider in our array */ mutex_lock(&of_clk_mutex); list_for_each_entry(provider, &of_clk_providers, link) { -- 2.4.3