From patchwork Mon Sep 7 12:23:40 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 7134371 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 BD577BEEC1 for ; Mon, 7 Sep 2015 12:27:30 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 23DEF206CB for ; Mon, 7 Sep 2015 12:27:29 +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 5239620673 for ; Mon, 7 Sep 2015 12:27:28 +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 1ZYvUJ-0001Df-JM; Mon, 07 Sep 2015 12:25:31 +0000 Received: from mail-wi0-x22d.google.com ([2a00:1450:400c:c05::22d]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZYvTj-0007xq-GB for linux-arm-kernel@lists.infradead.org; Mon, 07 Sep 2015 12:24:56 +0000 Received: by wiclk2 with SMTP id lk2so82450690wic.1 for ; Mon, 07 Sep 2015 05:24:34 -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=+rsbCQl0Njg9oO8lpMufukMVL0+QTOjuwkQR7oXOgCE=; b=GmiAueNaRkB23Saw7MB96g8jtSukwKixs7K4UnRtw2cRpcL8mjSSzwFJ43VpkULjjx noveplHtFj2aR10ZR3s3A2fH5M6dYYrJyOol5go01i08l/u8J8nPXdmLT81Bt9AvvwHy Ng6zHJJDfeu/518YNU8qs0F+Xkd18SQ8b1sJ3t3rY3gA2KBPLSxOL63wX1jM7doOV5Qu n05j1Kqs2h55QWqdKmQGzRqqDdKXeDHqbmjlwzYjC8LotBXWBvrOc4U1qrKO7JMLO78i ZRyu8SM9z05T1Glhj6LaesfiRO3eDBjxYhibE1EwC8FRLeJTYcrDUkMh0u6Pf52pradr wEFg== X-Received: by 10.194.110.37 with SMTP id hx5mr35523720wjb.149.1441628673987; Mon, 07 Sep 2015 05:24:33 -0700 (PDT) Received: from cizrna.lan ([109.72.12.78]) by smtp.gmail.com with ESMTPSA id cm6sm15438wib.22.2015.09.07.05.24.32 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 07 Sep 2015 05:24:33 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Subject: [PATCH v4 15/22] clk: Probe clk providers on demand Date: Mon, 7 Sep 2015 14:23:40 +0200 Message-Id: <1441628627-5143-16-git-send-email-tomeu.vizoso@collabora.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1441628627-5143-1-git-send-email-tomeu.vizoso@collabora.com> References: <1441628627-5143-1-git-send-email-tomeu.vizoso@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150907_052455_695030_76308372 X-CRM114-Status: GOOD ( 13.55 ) X-Spam-Score: -2.3 (--) 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 , Stephen Boyd , Linus Walleij , Dmitry Torokhov , "Rafael J. Wysocki" , Rob Herring , 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=-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 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) {