From patchwork Wed Nov 4 14:00:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mika Westerberg X-Patchwork-Id: 11880701 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 7C529697 for ; Wed, 4 Nov 2020 14:00:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6504222280 for ; Wed, 4 Nov 2020 14:00:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730074AbgKDOAf (ORCPT ); Wed, 4 Nov 2020 09:00:35 -0500 Received: from mga11.intel.com ([192.55.52.93]:11983 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726665AbgKDOAe (ORCPT ); Wed, 4 Nov 2020 09:00:34 -0500 IronPort-SDR: uaB5ytNfSlPWuaSvfolCwP77e8ztjasOb8KJzF9FpULjkFa6cRm5nPXB3u/GcaT+8qIZIogLmM NytIStaEaTjQ== X-IronPort-AV: E=McAfee;i="6000,8403,9794"; a="165711168" X-IronPort-AV: E=Sophos;i="5.77,451,1596524400"; d="scan'208";a="165711168" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Nov 2020 06:00:33 -0800 IronPort-SDR: klcYv9+TyocmykFykqHmRCTq/8PBrMmz9IBAi/SNvI1LPRAdDvIIyUF1BI5CU8Z2ftySskbWQH 7wwFxK/6KdwA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,451,1596524400"; d="scan'208";a="306424177" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga007.fm.intel.com with ESMTP; 04 Nov 2020 06:00:31 -0800 Received: by black.fi.intel.com (Postfix, from userid 1001) id E6E9215E; Wed, 4 Nov 2020 16:00:30 +0200 (EET) From: Mika Westerberg To: linux-usb@vger.kernel.org Cc: Michael Jamet , Yehezkel Bernat , Andreas Noever , Isaac Hazan , Lukas Wunner , "David S . Miller" , Mika Westerberg , netdev@vger.kernel.org Subject: [PATCH 02/10] thunderbolt: Find XDomain by route instead of UUID Date: Wed, 4 Nov 2020 17:00:22 +0300 Message-Id: <20201104140030.6853-3-mika.westerberg@linux.intel.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201104140030.6853-1-mika.westerberg@linux.intel.com> References: <20201104140030.6853-1-mika.westerberg@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org We are going to represent loops back to the host also as XDomains and they all have the same (host) UUID, so finding them needs to use route string instead. This also requires that we check if the XDomain device is added to the bus before its properties can be updated. Otherwise the remote UUID might not be populated yet. Signed-off-by: Mika Westerberg --- drivers/thunderbolt/xdomain.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/thunderbolt/xdomain.c b/drivers/thunderbolt/xdomain.c index c00ad817042e..e2866248f389 100644 --- a/drivers/thunderbolt/xdomain.c +++ b/drivers/thunderbolt/xdomain.c @@ -587,8 +587,6 @@ static void tb_xdp_handle_request(struct work_struct *work) break; case PROPERTIES_CHANGED_REQUEST: { - const struct tb_xdp_properties_changed *xchg = - (const struct tb_xdp_properties_changed *)pkg; struct tb_xdomain *xd; ret = tb_xdp_properties_changed_response(ctl, route, sequence); @@ -598,8 +596,8 @@ static void tb_xdp_handle_request(struct work_struct *work) * the xdomain related to this connection as well in * case there is a change in services it offers. */ - xd = tb_xdomain_find_by_uuid_locked(tb, &xchg->src_uuid); - if (xd) { + xd = tb_xdomain_find_by_route_locked(tb, route); + if (xd && device_is_registered(&xd->dev)) { queue_delayed_work(tb->wq, &xd->get_properties_work, msecs_to_jiffies(50)); tb_xdomain_put(xd);