From patchwork Tue Jul 28 13:19:50 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 6885371 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 4F0969F380 for ; Tue, 28 Jul 2015 13:32:15 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CBC6320755 for ; Tue, 28 Jul 2015 13:32:09 +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 145DE20752 for ; Tue, 28 Jul 2015 13:32:09 +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 1ZK4xM-00070J-PX; Tue, 28 Jul 2015 13:30:08 +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 1ZK4p7-00056v-0x for linux-arm-kernel@lists.infradead.org; Tue, 28 Jul 2015 13:21:38 +0000 Received: by wibud3 with SMTP id ud3so180575060wib.1 for ; Tue, 28 Jul 2015 06:21:15 -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=JNShglZEtd5aTyYuo3lR/fyau0gdzW+fPD8qpbungEo=; b=pkxKDMlChcA2A0+1UGHy6dHeayVxyP7rEtcE8DYmo7IsyQvix26u2z3zWdG7qUCi+q zSwAOjgWnMhxO44PQAfwqZNvXTTyAQ8JwYaaRgGOfnG4e4or+5gkIF+irFjDPWDuUAQp Aa37tNugWqNkvAZ5Gt6Xh0THmBwufQhgomIO88BJ45iCVYMKdYqjADkC7r6r4/dEIKXs bGpI9EnwkuhTGDe33ELiSaJHK0xvziqxypVmW0Jm94ZSwEDq47C02UYsbZfdvMNqxIwv rMJzU14ITqtlw6MZ1gzESovWPnXSw06nivDbYIXPZvMcgmVvlpwY+qcq71CQebst1kbl DQaQ== X-Received: by 10.180.207.242 with SMTP id lz18mr6471231wic.66.1438089675306; Tue, 28 Jul 2015 06:21:15 -0700 (PDT) Received: from cizrna.lan ([109.72.12.179]) by smtp.gmail.com with ESMTPSA id h9sm33265696wjx.20.2015.07.28.06.21.13 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 28 Jul 2015 06:21:14 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Subject: [PATCH v2 19/22] phy: core: Probe phy providers on demand Date: Tue, 28 Jul 2015 15:19:50 +0200 Message-Id: <1438089593-7696-20-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_062137_429592_B36EE745 X-CRM114-Status: GOOD ( 11.69 ) 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 , Linus Walleij , Dmitry Torokhov , "Rafael J. Wysocki" , Tomeu Vizoso , 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=-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 phy provider 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/phy/phy-core.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c index fc48fac003a6..c27e7d3d86ee 100644 --- a/drivers/phy/phy-core.c +++ b/drivers/phy/phy-core.c @@ -363,6 +363,8 @@ static struct phy *_of_phy_get(struct device_node *np, int index) if (ret) return ERR_PTR(-ENODEV); + fwnode_ensure_device(&args.np->fwnode); + mutex_lock(&phy_provider_mutex); phy_provider = of_phy_provider_lookup(args.np); if (IS_ERR(phy_provider) || !try_module_get(phy_provider->owner)) {