From patchwork Mon Sep 7 12:23:39 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomeu Vizoso X-Patchwork-Id: 7134381 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 C0080BF036 for ; Mon, 7 Sep 2015 12:27:31 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D48BA206DC 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 22039206B2 for ; Mon, 7 Sep 2015 12:27:29 +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 1ZYvUC-00017P-4i; Mon, 07 Sep 2015 12:25:24 +0000 Received: from mail-wi0-x234.google.com ([2a00:1450:400c:c05::234]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZYvTc-0007xO-7y for linux-arm-kernel@lists.infradead.org; Mon, 07 Sep 2015 12:24:49 +0000 Received: by wiclk2 with SMTP id lk2so82449770wic.1 for ; Mon, 07 Sep 2015 05:24:32 -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=S3OpPSmhO3TGCeJcJ9JeV4A1KRTdxb9AIMGvZlXOwsc=; b=ro5RnAkPkkGI1lbpz/2U5zFibjw06j47aaPOnCgsUXZG5i/xO34G7G0yJm2AgrdC5b 4WEzO6Ove33wmHVjk9zxlQ9WGUgvj9ZAQvdp67voIhDtVoWQOnOfWLL1w2oR1JU5VLrx GXg/tWyDYrQc5P6/U2FaidlJc2c36+0o6x4y/5tGMJN3gw0rbzho7z4/MVyR95kjJRJt bgmK66wAmjIQ7SH8vTtnXOb74uJRtMdFF5w2UgIpPU4kXS18xdPGdLtvIVJ4nUlAH3tp oWRe7AdOFjhcG+lleoHx1fO7QPM91P7BOiqFWiqmak7CS9VD617+IzMDdtyBTOCUswNT KdkA== X-Received: by 10.181.25.234 with SMTP id it10mr34778486wid.0.1441628671976; Mon, 07 Sep 2015 05:24:31 -0700 (PDT) Received: from cizrna.lan ([109.72.12.78]) by smtp.gmail.com with ESMTPSA id cm6sm15438wib.22.2015.09.07.05.24.29 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 07 Sep 2015 05:24:31 -0700 (PDT) From: Tomeu Vizoso To: linux-kernel@vger.kernel.org Subject: [PATCH v4 14/22] usb: phy: Probe phy devices on demand Date: Mon, 7 Sep 2015 14:23:39 +0200 Message-Id: <1441628627-5143-15-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_052448_551925_A2C7B4F2 X-CRM114-Status: GOOD ( 12.03 ) 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-usb@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 , Felipe Balbi , 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 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/usb/phy/phy.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/phy/phy.c b/drivers/usb/phy/phy.c index 98f75d2842b7..fb0b650bb494 100644 --- a/drivers/usb/phy/phy.c +++ b/drivers/usb/phy/phy.c @@ -15,6 +15,7 @@ #include #include #include +#include #include @@ -196,6 +197,8 @@ struct usb_phy *devm_usb_get_phy_by_node(struct device *dev, goto err0; } + of_device_probe(node); + spin_lock_irqsave(&phy_lock, flags); phy = __of_usb_find_phy(node);