From patchwork Tue Sep 11 10:10:42 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heikki Krogerus X-Patchwork-Id: 10595395 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2B4A915E2 for ; Tue, 11 Sep 2018 10:11:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1BD7F28F19 for ; Tue, 11 Sep 2018 10:11:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0FDCB29008; Tue, 11 Sep 2018 10:11:05 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B3FFA28F19 for ; Tue, 11 Sep 2018 10:11:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727122AbeIKPJj (ORCPT ); Tue, 11 Sep 2018 11:09:39 -0400 Received: from mga18.intel.com ([134.134.136.126]:19099 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726559AbeIKPJj (ORCPT ); Tue, 11 Sep 2018 11:09:39 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga106.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Sep 2018 03:11:03 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,360,1531810800"; d="scan'208";a="88991861" Received: from black.fi.intel.com (HELO black.fi.intel.com.) ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 11 Sep 2018 03:11:01 -0700 From: Heikki Krogerus To: Hans de Goede , Greg Kroah-Hartman Cc: Andy Shevchenko , Darren Hart , platform-driver-x86@vger.kernel.org, linux-usb@vger.kernel.org Subject: [PATCH v4 08/10] usb: typec: class: Don't use port parent for getting mux handles Date: Tue, 11 Sep 2018 13:10:42 +0300 Message-Id: <20180911101044.44004-9-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20180911101044.44004-1-heikki.krogerus@linux.intel.com> References: <20180911101044.44004-1-heikki.krogerus@linux.intel.com> Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP It is not possible to use the parent of the port device when requesting mux handles as the parent may be a multiport USB Type-C or PD controller. The muxes must be assigned to the ports, not the controllers. This will also move the requesting of the muxes after the port device is initialized. Signed-off-by: Heikki Krogerus --- drivers/usb/typec/class.c | 38 +++++++++++++++----------------------- 1 file changed, 15 insertions(+), 23 deletions(-) diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index e61dffb27a0c..00141e05bc72 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -1500,7 +1500,7 @@ typec_port_register_altmode(struct typec_port *port, sprintf(id, "id%04xm%02x", desc->svid, desc->mode); - mux = typec_mux_get(port->dev.parent, id); + mux = typec_mux_get(&port->dev, id); if (IS_ERR(mux)) return ERR_CAST(mux); @@ -1540,18 +1540,6 @@ struct typec_port *typec_register_port(struct device *parent, return ERR_PTR(id); } - port->sw = typec_switch_get(cap->fwnode ? &port->dev : parent); - if (IS_ERR(port->sw)) { - ret = PTR_ERR(port->sw); - goto err_switch; - } - - port->mux = typec_mux_get(parent, "typec-mux"); - if (IS_ERR(port->mux)) { - ret = PTR_ERR(port->mux); - goto err_mux; - } - switch (cap->type) { case TYPEC_PORT_SRC: port->pwr_role = TYPEC_SOURCE; @@ -1592,13 +1580,26 @@ struct typec_port *typec_register_port(struct device *parent, port->port_type = cap->type; port->prefer_role = cap->prefer_role; + device_initialize(&port->dev); port->dev.class = typec_class; port->dev.parent = parent; port->dev.fwnode = cap->fwnode; port->dev.type = &typec_port_dev_type; dev_set_name(&port->dev, "port%d", id); - ret = device_register(&port->dev); + port->sw = typec_switch_get(&port->dev); + if (IS_ERR(port->sw)) { + put_device(&port->dev); + return ERR_CAST(port->sw); + } + + port->mux = typec_mux_get(&port->dev, "typec-mux"); + if (IS_ERR(port->mux)) { + put_device(&port->dev); + return ERR_CAST(port->mux); + } + + ret = device_add(&port->dev); if (ret) { dev_err(parent, "failed to register port (%d)\n", ret); put_device(&port->dev); @@ -1606,15 +1607,6 @@ struct typec_port *typec_register_port(struct device *parent, } return port; - -err_mux: - typec_switch_put(port->sw); - -err_switch: - ida_simple_remove(&typec_index_ida, port->id); - kfree(port); - - return ERR_PTR(ret); } EXPORT_SYMBOL_GPL(typec_register_port);