From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752534AbcHHJC1 (ORCPT ); Mon, 8 Aug 2016 05:02:27 -0400 Received: from mail-bn3nam01on0062.outbound.protection.outlook.com ([104.47.33.62]:43713 "EHLO NAM01-BN3-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752117AbcHHJCG (ORCPT ); Mon, 8 Aug 2016 05:02:06 -0400 Authentication-Results: spf=fail (sender IP is 192.88.168.50) smtp.mailfrom=nxp.com; nxp.com; dkim=none (message not signed) header.d=none;nxp.com; dmarc=fail action=none header.from=nxp.com;nxp.com; dkim=none (message not signed) header.d=none; From: Peter Chen To: , , , , , , , , CC: , , , , , , , , , , , , , , , , , , Peter Chen Subject: [PATCH v5 5/6] usb: chipidea: let chipidea core device of_node equal's glue layer device of_node Date: Mon, 8 Aug 2016 16:52:10 +0800 Message-ID: <1470646331-23227-6-git-send-email-peter.chen@nxp.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1470646331-23227-1-git-send-email-peter.chen@nxp.com> References: <1470646331-23227-1-git-send-email-peter.chen@nxp.com> X-EOPAttributedMessage: 0 X-Matching-Connectors: 131151205231205738;(91ab9b29-cfa4-454e-5278-08d120cd25b8);() X-Forefront-Antispam-Report: CIP:192.88.168.50;IPV:NLI;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(6009001)(7916002)(2980300002)(1109001)(1110001)(339900001)(189002)(199003)(50986999)(5003940100001)(104016004)(2906002)(2201001)(50226002)(4326007)(11100500001)(76176999)(2950100001)(50466002)(19580405001)(68736007)(2171001)(87936001)(48376002)(85426001)(86362001)(19580395003)(36756003)(189998001)(92566002)(77096005)(47776003)(7416002)(356003)(5001770100001)(107886002)(105606002)(33646002)(8676002)(7846002)(8666005)(8936002)(81156014)(586003)(97736004)(81166006)(4001430100002)(229853001)(106466001)(305945005)(7059030)(2101003);DIR:OUT;SFP:1101;SCL:1;SRVR:BY2PR0301MB0696;H:tx30smr01.am.freescale.net;FPR:;SPF:Fail;PTR:InfoDomainNonexistent;MX:1;A:1;LANG:en; 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But in related driver, the parent device is chipidea core. So, in order to let the common driver get parent's node, we let the core's device node equals glue layer device node. Signed-off-by: Peter Chen Tested-by: Maciej S. Szmigiero Tested-by Joshua Clayton --- drivers/usb/chipidea/core.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 69426e6..b189dc7 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -954,6 +954,15 @@ static int ci_hdrc_probe(struct platform_device *pdev) dev_err(dev, "unable to init phy: %d\n", ret); return ret; } + /* + * At device tree, we have no device node for chipidea core, + * the glue layer's node is the parent node for host and udc + * device. But in related driver, the parent device is chipidea + * core. So, in order to let the common driver get parent's node, + * we let the core's device node equals glue layer's node. + */ + if (dev->parent && dev->parent->of_node) + dev->of_node = dev->parent->of_node; ci->hw_bank.phys = res->start; @@ -1057,6 +1066,7 @@ static int ci_hdrc_probe(struct platform_device *pdev) stop: ci_role_destroy(ci); deinit_phy: + dev->of_node = NULL; ci_usb_phy_exit(ci); return ret; @@ -1076,6 +1086,7 @@ static int ci_hdrc_remove(struct platform_device *pdev) ci_extcon_unregister(ci); ci_role_destroy(ci); ci_hdrc_enter_lpm(ci, true); + ci->dev->of_node = NULL; ci_usb_phy_exit(ci); return 0; -- 1.9.1