From patchwork Thu Nov 25 07:37:33 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mika Westerberg X-Patchwork-Id: 12638551 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 22344C433EF for ; Thu, 25 Nov 2021 07:45:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239374AbhKYHs5 (ORCPT ); Thu, 25 Nov 2021 02:48:57 -0500 Received: from mga06.intel.com ([134.134.136.31]:8101 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234579AbhKYHq4 (ORCPT ); Thu, 25 Nov 2021 02:46:56 -0500 X-IronPort-AV: E=McAfee;i="6200,9189,10178"; a="296269515" X-IronPort-AV: E=Sophos;i="5.87,262,1631602800"; d="scan'208";a="296269515" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Nov 2021 23:37:35 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,262,1631602800"; d="scan'208";a="741094662" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga005.fm.intel.com with ESMTP; 24 Nov 2021 23:37:33 -0800 Received: by black.fi.intel.com (Postfix, from userid 1001) id 58A1453E; Thu, 25 Nov 2021 09:37:34 +0200 (EET) From: Mika Westerberg To: linux-usb@vger.kernel.org Cc: Yehezkel Bernat , Michael Jamet , Gil Fine , Lukas Wunner , "Rafael J. Wysocki" , Andreas Noever , Mika Westerberg Subject: [PATCH 6/6] thunderbolt: Add debug logging of DisplayPort resource allocation Date: Thu, 25 Nov 2021 10:37:33 +0300 Message-Id: <20211125073733.74902-7-mika.westerberg@linux.intel.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20211125073733.74902-1-mika.westerberg@linux.intel.com> References: <20211125073733.74902-1-mika.westerberg@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Add more debugging around DP resource allocation/de-allocation. Signed-off-by: Mika Westerberg --- drivers/thunderbolt/switch.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index e00f4b878b56..13f9230104d7 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -3056,9 +3056,20 @@ bool tb_switch_query_dp_resource(struct tb_switch *sw, struct tb_port *in) */ int tb_switch_alloc_dp_resource(struct tb_switch *sw, struct tb_port *in) { + int ret; + if (tb_switch_is_usb4(sw)) - return usb4_switch_alloc_dp_resource(sw, in); - return tb_lc_dp_sink_alloc(sw, in); + ret = usb4_switch_alloc_dp_resource(sw, in); + else + ret = tb_lc_dp_sink_alloc(sw, in); + + if (ret) + tb_sw_warn(sw, "failed to allocate DP resource for port %d\n", + in->port); + else + tb_sw_dbg(sw, "allocated DP resource for port %d\n", in->port); + + return ret; } /** @@ -3081,6 +3092,8 @@ void tb_switch_dealloc_dp_resource(struct tb_switch *sw, struct tb_port *in) if (ret) tb_sw_warn(sw, "failed to de-allocate DP resource for port %d\n", in->port); + else + tb_sw_dbg(sw, "released DP resource for port %d\n", in->port); } struct tb_sw_lookup {