From patchwork Mon Nov 26 04:43:24 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chao Xie X-Patchwork-Id: 1800191 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id 00304DF2F9 for ; Mon, 26 Nov 2012 04:54:21 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1Tcqek-00020l-RM; Mon, 26 Nov 2012 04:50:55 +0000 Received: from na3sys009aog122.obsmtp.com ([74.125.149.147]) by merlin.infradead.org with smtps (Exim 4.76 #1 (Red Hat Linux)) id 1TcqYE-0006cT-GT for linux-arm-kernel@lists.infradead.org; Mon, 26 Nov 2012 04:44:11 +0000 Received: from MSI-MTA.marvell.com ([65.219.4.132]) (using TLSv1) by na3sys009aob122.postini.com ([74.125.148.12]) with SMTP ID DSNKULLzjkVweC1ZkXGORWGRYsjZAXgeAktc@postini.com; Sun, 25 Nov 2012 20:44:01 PST Received: from maili.marvell.com ([10.68.76.210]) by MSI-MTA.marvell.com with Microsoft SMTPSVC(6.0.3790.3959); Sun, 25 Nov 2012 20:43:44 -0800 Received: from localhost (unknown [10.38.36.205]) by maili.marvell.com (Postfix) with ESMTP id 777824E510; Sun, 25 Nov 2012 20:43:44 -0800 (PST) From: Chao Xie To: linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, haojian.zhuang@gmail.com, stern@rowland.harvard.edu, chao.xie@marvell.com Subject: [PATCH 11/27] usb: ehci: ehci-mv: use PHY driver for ehci Date: Sun, 25 Nov 2012 23:43:24 -0500 Message-Id: <1353905020-29372-12-git-send-email-xiechao.mail@gmail.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1353905020-29372-1-git-send-email-xiechao.mail@gmail.com> References: <1353905020-29372-1-git-send-email-xiechao.mail@gmail.com> X-OriginalArrivalTime: 26 Nov 2012 04:43:44.0493 (UTC) FILETIME=[9DB079D0:01CDCB90] X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20121125_234410_864449_0E3BECB0 X-CRM114-Status: GOOD ( 13.87 ) X-Spam-Score: -3.3 (---) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-3.3 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at http://www.dnswl.org/, medium trust [74.125.149.147 listed in list.dnswl.org] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (xiechao.mail[at]gmail.com) 0.0 DKIM_ADSP_CUSTOM_MED No valid author signature, adsp_override is CUSTOM_MED -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.9 NML_ADSP_CUSTOM_MED ADSP custom_med hit, and not from a mailing list X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Chao Xie Originaly, ehci driver will call the callbacks in platform data for PHY initialization and shut down. With PHY driver, it will call the APIs provided by PHY driver for PHY initialization and shut down. It removes the callbacks in platform data, and at same time it removes one block in the way of enabling device tree for ehci driver. Signed-off-by: Chao Xie --- drivers/usb/host/ehci-mv.c | 37 +++++++++++++------------------------ 1 files changed, 13 insertions(+), 24 deletions(-) diff --git a/drivers/usb/host/ehci-mv.c b/drivers/usb/host/ehci-mv.c index 3065809..be504fd 100644 --- a/drivers/usb/host/ehci-mv.c +++ b/drivers/usb/host/ehci-mv.c @@ -15,17 +15,18 @@ #include #include #include +#include #include #define CAPLENGTH_MASK (0xff) struct ehci_hcd_mv { struct usb_hcd *hcd; + struct mv_usb2_phy *mvphy; /* Which mode does this ehci running OTG/Host ? */ int mode; - void __iomem *phy_regs; void __iomem *cap_regs; void __iomem *op_regs; @@ -59,8 +60,8 @@ static int mv_ehci_enable(struct ehci_hcd_mv *ehci_mv) int retval; ehci_clock_enable(ehci_mv); - if (ehci_mv->pdata->phy_init) { - retval = ehci_mv->pdata->phy_init(ehci_mv->phy_regs); + if (ehci_mv->mvphy->init) { + retval = ehci_mv->mvphy->init(ehci_mv->mvphy); if (retval) return retval; } @@ -70,8 +71,8 @@ static int mv_ehci_enable(struct ehci_hcd_mv *ehci_mv) static void mv_ehci_disable(struct ehci_hcd_mv *ehci_mv) { - if (ehci_mv->pdata->phy_deinit) - ehci_mv->pdata->phy_deinit(ehci_mv->phy_regs); + if (ehci_mv->mvphy->shutdown) + ehci_mv->mvphy->shutdown(ehci_mv->mvphy); ehci_clock_disable(ehci_mv); } @@ -184,22 +185,7 @@ static int mv_ehci_probe(struct platform_device *pdev) } } - r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "phyregs"); - if (r == NULL) { - dev_err(&pdev->dev, "no phy I/O memory resource defined\n"); - retval = -ENODEV; - goto err_clear_drvdata; - } - - ehci_mv->phy_regs = devm_ioremap(&pdev->dev, r->start, - resource_size(r)); - if (ehci_mv->phy_regs == 0) { - dev_err(&pdev->dev, "failed to map phy I/O memory\n"); - retval = -EFAULT; - goto err_clear_drvdata; - } - - r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "capregs"); + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!r) { dev_err(&pdev->dev, "no I/O memory resource defined\n"); retval = -ENODEV; @@ -214,6 +200,12 @@ static int mv_ehci_probe(struct platform_device *pdev) goto err_clear_drvdata; } + ehci_mv->mvphy = mv_usb2_get_phy(); + if (ehci_mv->mvphy == NULL) { + retval = -ENODEV; + goto err_clear_drvdata; + } + retval = mv_ehci_enable(ehci_mv); if (retval) { dev_err(&pdev->dev, "init phy error %d\n", retval); @@ -275,9 +267,6 @@ static int mv_ehci_probe(struct platform_device *pdev) } } - if (pdata->private_init) - pdata->private_init(ehci_mv->op_regs, ehci_mv->phy_regs); - dev_info(&pdev->dev, "successful find EHCI device with regs 0x%p irq %d" " working in %s mode\n", hcd->regs, hcd->irq,