From patchwork Mon Sep 7 12:23:42 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 7134401 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 325C1BEEC1 for ; Mon, 7 Sep 2015 12:27:44 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 4AFFB20673 for ; Mon, 7 Sep 2015 12:27:43 +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 745952066B for ; Mon, 7 Sep 2015 12:27:42 +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 1ZYvUd-0001cs-Sm; Mon, 07 Sep 2015 12:25:51 +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 1ZYvTm-0007ym-Rs for linux-arm-kernel@lists.infradead.org; Mon, 07 Sep 2015 12:24:59 +0000 Received: by wicfx3 with SMTP id fx3so82235071wic.0 for ; Mon, 07 Sep 2015 05:24:37 -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=UuxKrFsQ6PN8fCTaJrPHbIP6QTSKuXTBVMdtESaFBkw=; b=kFeSvvv95H6yZ2+1ySBQW7DkIwYFJbZCRngTXSi3U/wft6/W16pLJSdxj994JgKn1M 4nrI7n13A5WoLRU2Fy+EFqP3iqfVWPr7R8t+ribvNq/j/xgzBS5rAl7gPfBvlVonWtaR eXo+hEiFynOZO+5fHhh9GUnVDLzXoITPbPsfBvqsXlPCBbOjQGIemvYiztMBJ3wl3G2/ hgQhdgpSjGV8/KZ7MWEJjE1QAg4Dqlq+SBfe//7IR7CGnDZZFdzYfKmmI/9Vl4BCMd12 HvkcrJbur/FUIBRp3MhjNBEQ5bj2OkDdLK608yCuQ9nzR8ejfbr4QjzK30lb0ChIB8Y7 CYjQ== X-Received: by 10.180.20.15 with SMTP id j15mr34070212wie.76.1441628677649; Mon, 07 Sep 2015 05:24:37 -0700 (PDT) Received: from cizrna.lan ([109.72.12.78]) by smtp.gmail.com with ESMTPSA id cm6sm15438wib.22.2015.09.07.05.24.35 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 07 Sep 2015 05:24:36 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Subject: [PATCH v4 17/22] phy: core: Probe phy providers on demand Date: Mon, 7 Sep 2015 14:23:42 +0200 Message-Id: <1441628627-5143-18-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_052459_117195_70D18B0A 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 , Linus Walleij , Dmitry Torokhov , "Rafael J. Wysocki" , Rob Herring , Kishon Vijay Abraham I , Javier Martinez Canillas , Mark Brown , Thierry Reding , 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 phy provider 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/phy/phy-core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index fc48fac003a6..94e90031d7f3 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include #include @@ -363,6 +364,8 @@ static struct phy *_of_phy_get(struct device_node *np, int index) if (ret) return ERR_PTR(-ENODEV); + of_device_probe(args.np); + mutex_lock(&phy_provider_mutex); phy_provider = of_phy_provider_lookup(args.np); if (IS_ERR(phy_provider) || !try_module_get(phy_provider->owner)) {