From patchwork Mon Sep 21 14:02:55 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 7231671 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 5F7D2BF036 for ; Mon, 21 Sep 2015 14:11:22 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 7E3B3207E1 for ; Mon, 21 Sep 2015 14:11:21 +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 E72C0207B9 for ; Mon, 21 Sep 2015 14:11:16 +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 1Ze1mA-00008z-0Z; Mon, 21 Sep 2015 14:09:02 +0000 Received: from mail-lb0-x230.google.com ([2a00:1450:4010:c04::230]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Ze1he-0002AV-7K for linux-arm-kernel@lists.infradead.org; Mon, 21 Sep 2015 14:04:26 +0000 Received: by lbcao8 with SMTP id ao8so51414340lbc.3 for ; Mon, 21 Sep 2015 07:04:00 -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=kT1vbczrkQ++F6nGuF9nxRib0MIrE1E2zp/DMU26iHA=; b=0XJBmlS46gAhEF5I86ZNKlXbiSSKCBxAAMkPFJ3qL9xhO++oOSTo8sou2VTyYmnJ4P HODuMKPALkdE2tSeH+xu7TFkxtK6eCjvhoCRulrYj2SIYPO1w5ZqBXy2VaZ7y18gTMR6 j1Wd6KbQ3pdqROZjdI/NjfiXqxVDT7U3xXLEzwA5BTplN/q2gmIjJar4tJM7hrqg99tD jrFGcbhOCNqVSE5LTUBDstSoxadsamzacE1RO1rfpFZayhayNAjTdIUp38d00Uo5r6Qc StzlTxE7NzZoOTQvs9t/F56FpSaq1oCOshWpWKwSLaR20kim2Y5L0ScVtbh3hn6BWM84 KCGg== X-Received: by 10.194.86.71 with SMTP id n7mr22977387wjz.27.1442844240591; Mon, 21 Sep 2015 07:04:00 -0700 (PDT) Received: from cizrna.lan ([109.72.12.69]) by smtp.gmail.com with ESMTPSA id gk9sm13687031wib.9.2015.09.21.07.03.58 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 21 Sep 2015 07:03:59 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Subject: [PATCH v6 15/22] clk: Probe clk providers on demand Date: Mon, 21 Sep 2015 16:02:55 +0200 Message-Id: <1442844182-27787-16-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1442844182-27787-1-git-send-email-tomeu.vizoso@collabora.com> References: <1442844182-27787-1-git-send-email-tomeu.vizoso@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150921_070422_553356_921F7A2E X-CRM114-Status: GOOD ( 12.94 ) 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,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 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 --- drivers/clk/clk.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index b005f666e3a1..8986c9d876a4 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -19,6 +19,7 @@ #include #include #include +#include #include #include #include @@ -3005,6 +3006,8 @@ 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) {