From patchwork Mon Oct 21 11:25:08 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heikki Krogerus X-Patchwork-Id: 11201993 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CB0A31390 for ; Mon, 21 Oct 2019 11:25:32 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B4E3F214B2 for ; Mon, 21 Oct 2019 11:25:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728440AbfJULZc (ORCPT ); Mon, 21 Oct 2019 07:25:32 -0400 Received: from mga07.intel.com ([134.134.136.100]:14014 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728417AbfJULZc (ORCPT ); Mon, 21 Oct 2019 07:25:32 -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 orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 21 Oct 2019 04:25:31 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,323,1566889200"; d="scan'208";a="209425736" Received: from black.fi.intel.com (HELO black.fi.intel.com.) ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 21 Oct 2019 04:25:29 -0700 From: Heikki Krogerus To: Greg Kroah-Hartman Cc: Guenter Roeck , Ajay Gupta , linux-usb@vger.kernel.org Subject: [PATCH 02/18] usb: typec: Introduce typec_get_drvdata() Date: Mon, 21 Oct 2019 14:25:08 +0300 Message-Id: <20191021112524.79550-3-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191021112524.79550-1-heikki.krogerus@linux.intel.com> References: <20191021112524.79550-1-heikki.krogerus@linux.intel.com> MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Leaving the private driver_data pointer of the port device to the port drivers. Signed-off-by: Heikki Krogerus Reviewed-by: Guenter Roeck --- drivers/usb/typec/class.c | 11 +++++++++++ include/linux/usb/typec.h | 4 ++++ 2 files changed, 15 insertions(+) diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index 7749933ffce5..51154634c2c0 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -1488,6 +1488,16 @@ EXPORT_SYMBOL_GPL(typec_set_mode); /* --------------------------------------- */ +/** + * typec_get_drvdata - Return private driver data pointer + * @port: USB Type-C port + */ +void *typec_get_drvdata(struct typec_port *port) +{ + return dev_get_drvdata(&port->dev); +} +EXPORT_SYMBOL_GPL(typec_get_drvdata); + /** * typec_port_register_altmode - Register USB Type-C Port Alternate Mode * @port: USB Type-C Port that supports the alternate mode @@ -1591,6 +1601,7 @@ struct typec_port *typec_register_port(struct device *parent, port->dev.fwnode = cap->fwnode; port->dev.type = &typec_port_dev_type; dev_set_name(&port->dev, "port%d", id); + dev_set_drvdata(&port->dev, cap->driver_data); port->cap = kmemdup(cap, sizeof(*cap), GFP_KERNEL); if (!port->cap) { diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h index 7df4ecabc78a..8b90cd77331c 100644 --- a/include/linux/usb/typec.h +++ b/include/linux/usb/typec.h @@ -179,6 +179,7 @@ struct typec_partner_desc { * @sw: Cable plug orientation switch * @mux: Multiplexer switch for Alternate/Accessory Modes * @fwnode: Optional fwnode of the port + * @driver_data: Private pointer for driver specific info * @try_role: Set data role preference for DRP port * @dr_set: Set Data Role * @pr_set: Set Power Role @@ -198,6 +199,7 @@ struct typec_capability { struct typec_switch *sw; struct typec_mux *mux; struct fwnode_handle *fwnode; + void *driver_data; int (*try_role)(const struct typec_capability *, int role); @@ -241,6 +243,8 @@ int typec_set_orientation(struct typec_port *port, enum typec_orientation typec_get_orientation(struct typec_port *port); int typec_set_mode(struct typec_port *port, int mode); +void *typec_get_drvdata(struct typec_port *port); + int typec_find_port_power_role(const char *name); int typec_find_power_role(const char *name); int typec_find_port_data_role(const char *name);