From patchwork Tue Jul 28 13:19:48 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 6885231 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 ADD63C05AC for ; Tue, 28 Jul 2015 13:29:25 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D7F3420689 for ; Tue, 28 Jul 2015 13:29:24 +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 18CC02052F for ; Tue, 28 Jul 2015 13:29:24 +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 1ZK4u5-0002yf-TZ; Tue, 28 Jul 2015 13:26:46 +0000 Received: from mail-wi0-x236.google.com ([2a00:1450:400c:c05::236]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZK4oy-00054x-Dc for linux-arm-kernel@lists.infradead.org; Tue, 28 Jul 2015 13:21:29 +0000 Received: by wibud3 with SMTP id ud3so159252178wib.0 for ; Tue, 28 Jul 2015 06:21:11 -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=uC0+LlaaVFMU3YPF8be7vV0prYZCsiCwHHA5HtAdm8Q=; b=rQa4hkz1KbHKLxo13s1MYnCf6G1Fjwyr692kOnYUacMRxkfHvLMmxoPSbYgXzxsT9X WTI5UjUi/LaDsphZ43qcDugZ0W5Q9Tq4E05FouLOd6WItSkkIJLC272LBoQp2uXcT631 tlCXPRIRu/RtPw9FjozFG51NhAIBGU/aO3HAV7Nv866EfKZGXTF6xh2NYxKEvckfbxQq Fx35ScvlREusWuiQTtc5/eUqaoYS0j/wuSueddfAjJ4tSK0MggNTFRUIcpx04R7NC6qq TwUzai7Qw4nWj9KDC+aoc/n6RHvcBRUcQJ5iIOMEEI/DSD3x+tg1/4AbXXBDbIhOn5Ei sswQ== X-Received: by 10.194.89.98 with SMTP id bn2mr72229265wjb.153.1438089671423; Tue, 28 Jul 2015 06:21:11 -0700 (PDT) Received: from cizrna.lan ([109.72.12.179]) by smtp.gmail.com with ESMTPSA id h9sm33265696wjx.20.2015.07.28.06.21.09 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 28 Jul 2015 06:21:10 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@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> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150728_062128_686699_8285BC35 X-CRM114-Status: GOOD ( 12.94 ) X-Spam-Score: -2.4 (--) 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: devicetree@vger.kernel.org, linux-acpi@vger.kernel.org, Arnd Bergmann , Stephen Warren , Stephen Boyd , Linus Walleij , Dmitry Torokhov , "Rafael J. Wysocki" , Tomeu Vizoso , linux-clk@vger.kernel.org, Javier Martinez Canillas , Mark Brown , Thierry Reding , Michael Turquette , 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=-5.5 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 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) {