From patchwork Thu Sep 17 12:57:10 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 7207261 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 3D6F7BEEC1 for ; Thu, 17 Sep 2015 13:12:28 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4EA542084B for ; Thu, 17 Sep 2015 13:12:27 +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 D140D20852 for ; Thu, 17 Sep 2015 13:12:21 +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 1ZcYxp-0000R9-NO; Thu, 17 Sep 2015 13:11:01 +0000 Received: from mail-wi0-x232.google.com ([2a00:1450:400c:c05::232]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZcYlm-00071I-Ag for linux-arm-kernel@lists.infradead.org; Thu, 17 Sep 2015 12:58:36 +0000 Received: by wiclk2 with SMTP id lk2so26221671wic.1 for ; Thu, 17 Sep 2015 05:58:13 -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=kix0kJknsw3flcMF4U1RhTAi1JNfEcO1W17NSpts2qg=; b=jersnFHw08b8jK/j6vc9kYV33w12p5Z5/sL/iJ8GB96mQ/x6mHcN5mKswZpeykJ1ie peHscPhb8eCjvXJTAS/1U3i2gnQ/kYTR5j9+dZMhSLf0rtpGo26nBgxa/rNii+JGxw9R ksvSR5tsoXcIritiV4K5Rb8cFtJtD7L4FwPMk1SjUgkYvvpiOOve0A/ziQZ4VZWCrd6e CmrA/D1/IZmcGEAHHc5r9L4OY/tyyDfV9MbYM7kX/0lFb4WplJpqoNE92fQVH1hVSxdC 6gYLqCZKkxM3lpGB2gJ12Qwj2LVslQklk+q2ADPXaAyH5rJUOJFL3WCUSE3NsNMxeHMg 0WnQ== X-Received: by 10.194.172.33 with SMTP id az1mr62770584wjc.57.1442494693143; Thu, 17 Sep 2015 05:58:13 -0700 (PDT) Received: from cizrna.lan ([109.72.12.203]) by smtp.gmail.com with ESMTPSA id jr5sm2203032wjc.26.2015.09.17.05.58.11 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 17 Sep 2015 05:58:12 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Subject: [PATCH v5 16/23] clk: Probe clk providers on demand Date: Thu, 17 Sep 2015 14:57:10 +0200 Message-Id: <1442494637-3674-17-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1442494637-3674-1-git-send-email-tomeu.vizoso@collabora.com> References: <1442494637-3674-1-git-send-email-tomeu.vizoso@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150917_055834_793191_4F48A526 X-CRM114-Status: GOOD ( 11.57 ) 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, T_DKIM_INVALID, T_RP_MATCHES_RCVD, 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 clock 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 v5: None Changes in v4: None Changes in v3: None 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 43e2c3ad6c31..e5fe02a11c36 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include #include @@ -3004,6 +3005,8 @@ struct clk *__of_clk_get_from_provider(struct of_phandle_args *clkspec, if (!clkspec) return ERR_PTR(-EINVAL); + of_device_probe(clkspec->np); + /* Check if we have such a provider in our array */ mutex_lock(&of_clk_mutex); list_for_each_entry(provider, &of_clk_providers, link) {