From patchwork Thu Oct 3 09:59:01 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roger Quadros X-Patchwork-Id: 2982021 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 [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id EDD0EBFF0B for ; Thu, 3 Oct 2013 10:01:54 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 48EB020333 for ; Thu, 3 Oct 2013 10:01:50 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 4C72E2029B for ; Thu, 3 Oct 2013 10:01:46 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VRfi0-0007W8-Ov; Thu, 03 Oct 2013 10:00:37 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VRfhn-0005il-Ra; Thu, 03 Oct 2013 10:00:23 +0000 Received: from devils.ext.ti.com ([198.47.26.153]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VRfhI-0005br-7b for linux-arm-kernel@lists.infradead.org; Thu, 03 Oct 2013 09:59:56 +0000 Received: from dflxv15.itg.ti.com ([128.247.5.124]) by devils.ext.ti.com (8.13.7/8.13.7) with ESMTP id r939xMhe024960; Thu, 3 Oct 2013 04:59:22 -0500 Received: from DFLE72.ent.ti.com (dfle72.ent.ti.com [128.247.5.109]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id r939xMIo004926; Thu, 3 Oct 2013 04:59:22 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DFLE72.ent.ti.com (128.247.5.109) with Microsoft SMTP Server id 14.2.342.3; Thu, 3 Oct 2013 04:59:21 -0500 Received: from localhost.localdomain (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep32.itg.ti.com (8.14.3/8.13.8) with ESMTP id r939x8aG003635; Thu, 3 Oct 2013 04:59:19 -0500 From: Roger Quadros To: , Subject: [PATCH v8 3/8] usb: phy: omap-usb2: Don't use omap_get_control_dev() Date: Thu, 3 Oct 2013 12:59:01 +0300 Message-ID: <1380794346-30185-4-git-send-email-rogerq@ti.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1380794346-30185-1-git-send-email-rogerq@ti.com> References: <1380794346-30185-1-git-send-email-rogerq@ti.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20131003_055952_486540_59E13E91 X-CRM114-Status: GOOD ( 13.45 ) X-Spam-Score: -4.2 (----) Cc: devicetree@vger.kernel.org, george.cherian@ti.com, sergei.shtylyov@cogentembedded.com, tony@atomide.com, bigeasy@linutronix.de, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, kishon@ti.com, thomas.langer@lantiq.com, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Roger Quadros X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-1.5 required=5.0 tests=BAYES_00,KHOP_BIG_TO_CC, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=no 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 omap_get_control_dev() is being deprecated as it doesn't support multiple instances. As control device is present only from OMAP4 onwards which supports DT only, we use phandles to get the reference to the control device. As we don't support non-DT boot, we just bail out on probe if device node is not present. Signed-off-by: Roger Quadros --- drivers/phy/phy-omap-usb2.c | 31 +++++++++++++++++++++++-------- 1 files changed, 23 insertions(+), 8 deletions(-) diff --git a/drivers/phy/phy-omap-usb2.c b/drivers/phy/phy-omap-usb2.c index 4d7b4e5..bfc5c33 100644 --- a/drivers/phy/phy-omap-usb2.c +++ b/drivers/phy/phy-omap-usb2.c @@ -29,6 +29,7 @@ #include #include #include +#include /** * omap_usb2_set_comparator - links the comparator present in the sytem with @@ -145,10 +146,16 @@ static struct phy_ops ops = { static int omap_usb2_probe(struct platform_device *pdev) { - struct omap_usb *phy; - struct phy *generic_phy; - struct usb_otg *otg; - struct phy_provider *phy_provider; + struct omap_usb *phy; + struct phy *generic_phy; + struct phy_provider *phy_provider; + struct usb_otg *otg; + struct device_node *node = pdev->dev.of_node; + struct device_node *control_node; + struct platform_device *control_pdev; + + if (!node) + return -EINVAL; phy = devm_kzalloc(&pdev->dev, sizeof(*phy), GFP_KERNEL); if (!phy) { @@ -175,12 +182,20 @@ static int omap_usb2_probe(struct platform_device *pdev) if (IS_ERR(phy_provider)) return PTR_ERR(phy_provider); - phy->control_dev = omap_get_control_dev(); - if (IS_ERR(phy->control_dev)) { - dev_dbg(&pdev->dev, "Failed to get control device\n"); - return -ENODEV; + control_node = of_parse_phandle(node, "ctrl-module", 0); + if (!control_node) { + dev_err(&pdev->dev, "Failed to get control device phandle\n"); + return -EINVAL; } + control_pdev = of_find_device_by_node(control_node); + if (!control_pdev) { + dev_err(&pdev->dev, "Failed to get control device\n"); + return -EINVAL; + } + + phy->control_dev = &control_pdev->dev; + phy->is_suspended = 1; omap_control_usb_phy_power(phy->control_dev, 0);