From patchwork Mon Jun 15 13:01:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mika Westerberg X-Patchwork-Id: 11604913 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 433CF92A for ; Mon, 15 Jun 2020 13:02:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3450A2076A for ; Mon, 15 Jun 2020 13:02:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730424AbgFONCK (ORCPT ); Mon, 15 Jun 2020 09:02:10 -0400 Received: from mga17.intel.com ([192.55.52.151]:12263 "EHLO mga17.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730388AbgFONCK (ORCPT ); Mon, 15 Jun 2020 09:02:10 -0400 IronPort-SDR: qro7fIGpFxiL1UlnegIWZwkLVqLLSvBNi9qa2CjmoZM9f5lBaowT6gjf3+3+3zbltgwUzIOKvY 1eVrVlQ84rSw== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2020 06:01:44 -0700 IronPort-SDR: dw+zH0ma5AXOhsmdEM3HOch5+d2CFY9cMeRhRiJkTT9g8l3BqgslEw9Mbm2LBtYeb9ldF1YvI7 LtALt4nVfkGQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,514,1583222400"; d="scan'208";a="476008651" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga006.fm.intel.com with ESMTP; 15 Jun 2020 06:01:40 -0700 Received: by black.fi.intel.com (Postfix, from userid 1001) id BEC5A298; Mon, 15 Jun 2020 16:01:39 +0300 (EEST) From: Mika Westerberg To: linux-usb@vger.kernel.org Cc: Michael Jamet , Mika Westerberg , Yehezkel Bernat , "David S . Miller" , Jakub Kicinski , Andreas Noever , Lukas Wunner , Greg Kroah-Hartman , netdev@vger.kernel.org Subject: [PATCH 3/4] thunderbolt: NHI can use HopIDs 1-7 Date: Mon, 15 Jun 2020 16:01:38 +0300 Message-Id: <20200615130139.83854-4-mika.westerberg@linux.intel.com> X-Mailer: git-send-email 2.27.0.rc2 In-Reply-To: <20200615130139.83854-1-mika.westerberg@linux.intel.com> References: <20200615130139.83854-1-mika.westerberg@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 NHI (The host interface adapter) is allowed to use HopIDs 1-7 as well so relax the restriction in tb_port_alloc_hopid() to support this. Signed-off-by: Mika Westerberg --- drivers/thunderbolt/switch.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index d7d60cd9226f..95b75a712ade 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -789,8 +789,11 @@ static int tb_port_alloc_hopid(struct tb_port *port, bool in, int min_hopid, ida = &port->out_hopids; } - /* HopIDs 0-7 are reserved */ - if (min_hopid < TB_PATH_MIN_HOPID) + /* + * NHI can use HopIDs 1-max for other adapters HopIDs 0-7 are + * reserved. + */ + if (port->config.type != TB_TYPE_NHI && min_hopid < TB_PATH_MIN_HOPID) min_hopid = TB_PATH_MIN_HOPID; if (max_hopid < 0 || max_hopid > port_max_hopid)