From patchwork Thu Oct 3 09:59:02 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roger Quadros X-Patchwork-Id: 2981961 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 6B391BFF0B for ; Thu, 3 Oct 2013 10:01:20 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id BDF6A200CA for ; Thu, 3 Oct 2013 10:01:15 +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 0C31920272 for ; Thu, 3 Oct 2013 10:01:11 +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 1VRfhr-0007Qn-Nu; Thu, 03 Oct 2013 10:00:27 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VRfhg-0005hS-Qx; Thu, 03 Oct 2013 10:00:17 +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-0005bt-7Z for linux-arm-kernel@lists.infradead.org; Thu, 03 Oct 2013 09:59:55 +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 r939xP2Q024967; Thu, 3 Oct 2013 04:59:25 -0500 Received: from DLEE70.ent.ti.com (dlee70.ent.ti.com [157.170.170.113]) by dflxv15.itg.ti.com (8.14.3/8.13.8) with ESMTP id r939xPnX004966; Thu, 3 Oct 2013 04:59:25 -0500 Received: from dlep32.itg.ti.com (157.170.170.100) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.2.342.3; Thu, 3 Oct 2013 04:59:25 -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 r939x8aH003635; Thu, 3 Oct 2013 04:59:22 -0500 From: Roger Quadros To: , Subject: [PATCH v8 4/8] usb: phy: omap-usb3: Don't use omap_get_control_dev() Date: Thu, 3 Oct 2013 12:59:02 +0300 Message-ID: <1380794346-30185-5-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_484570_C67951B9 X-CRM114-Status: GOOD ( 13.78 ) 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/usb/phy/phy-omap-usb3.c | 26 ++++++++++++++++++++------ 1 files changed, 20 insertions(+), 6 deletions(-) diff --git a/drivers/usb/phy/phy-omap-usb3.c b/drivers/usb/phy/phy-omap-usb3.c index 0824be4..0c6ba29 100644 --- a/drivers/usb/phy/phy-omap-usb3.c +++ b/drivers/usb/phy/phy-omap-usb3.c @@ -26,6 +26,7 @@ #include #include #include +#include #define PLL_STATUS 0x00000004 #define PLL_GO 0x00000008 @@ -196,8 +197,14 @@ static int omap_usb3_init(struct usb_phy *x) static int omap_usb3_probe(struct platform_device *pdev) { - struct omap_usb *phy; - struct resource *res; + struct omap_usb *phy; + struct resource *res; + 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) { @@ -239,11 +246,18 @@ static int omap_usb3_probe(struct platform_device *pdev) return -EINVAL; } - 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; omap_control_usb_phy_power(phy->control_dev, 0); usb_add_phy_dev(&phy->phy);