From patchwork Wed Jan 30 16:02:54 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heikki Krogerus X-Patchwork-Id: 10788893 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 B3BCD1390 for ; Wed, 30 Jan 2019 16:04:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A2FF22AB5D for ; Wed, 30 Jan 2019 16:04:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A0FC62C447; Wed, 30 Jan 2019 16:04:03 +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=ham 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 42ACC2F83C for ; Wed, 30 Jan 2019 16:04:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731886AbfA3QDN (ORCPT ); Wed, 30 Jan 2019 11:03:13 -0500 Received: from mga02.intel.com ([134.134.136.20]:60152 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731880AbfA3QDM (ORCPT ); Wed, 30 Jan 2019 11:03:12 -0500 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga101.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 30 Jan 2019 08:03:11 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.56,541,1539673200"; d="scan'208";a="142760902" Received: from black.fi.intel.com (HELO black.fi.intel.com.) ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 30 Jan 2019 08:03:09 -0800 From: Heikki Krogerus To: Greg Kroah-Hartman Cc: Andy Shevchenko , Chen Yu , Jun Li , Hans de Goede , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 4/9] device connection: Add fwnode member to struct device_connection Date: Wed, 30 Jan 2019 19:02:54 +0300 Message-Id: <20190130160259.46919-5-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190130160259.46919-1-heikki.krogerus@linux.intel.com> References: <20190130160259.46919-1-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 X-Virus-Scanned: ClamAV using ClamSMTP This will prepare the device connection API for connections described in firmware. Signed-off-by: Heikki Krogerus --- include/linux/device.h | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/include/linux/device.h b/include/linux/device.h index 5663003a95eb..1fb077f5a936 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -757,11 +757,17 @@ struct device_dma_parameters { /** * struct device_connection - Device Connection Descriptor + * @fwnode: The device node of the connected device * @endpoint: The names of the two devices connected together * @id: Unique identifier for the connection * @list: List head, private, for internal use only + * + * NOTE: @fwnode is not used together with @endpoint. @fwnode is used when + * platform firmware defines the connection. When the connection is registered + * with device_connection_add() @endpoint is used instead. */ struct device_connection { + struct fwnode_handle *fwnode; const char *endpoint[2]; const char *id; struct list_head list;