From patchwork Wed Sep 21 12:34:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mathias Nyman X-Patchwork-Id: 608193 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 8C884ECAAD8 for ; Wed, 21 Sep 2022 12:33:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230034AbiIUMdw (ORCPT ); Wed, 21 Sep 2022 08:33:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60858 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230028AbiIUMdk (ORCPT ); Wed, 21 Sep 2022 08:33:40 -0400 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E6F5995AEA for ; Wed, 21 Sep 2022 05:33:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1663763618; x=1695299618; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=yTbRBo90pcB/fBqv5liREs7w64JtHDfBcp6r2nk6iBQ=; b=gfD1w020dJtNqu6PhWQleEZx0N41dMj4kPTzGgsgewJL7f16mEQ97aC+ jhum+rh1Kdtbo+xictspyyOlnHiRSa/xVF4CdpTGmB9mG7JRNc57Djuo2 EbBkg2Xf9qvSpqLpufLTnp+6rpma9YYQQYkF5FikW49PzkshI8rW2OUME CfXVLrMmKdrs8bdU979woiabAF/lbfwVViKE9ylcFb90Gd8q8OuISIxiI G/G2wYonA8n1kqGb8F4c2+Cbj/dWYoxIN0ntXLEzXZ/e89OgMG2ZS9A8U ubyYr6ybxwxxKyavKaH1sJaYgM78VCeR6BYLTX5PrdB/e10pTFAFs+RBa w==; X-IronPort-AV: E=McAfee;i="6500,9779,10477"; a="363965111" X-IronPort-AV: E=Sophos;i="5.93,333,1654585200"; d="scan'208";a="363965111" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Sep 2022 05:33:38 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,333,1654585200"; d="scan'208";a="708429477" Received: from mattu-haswell.fi.intel.com ([10.237.72.199]) by FMSMGA003.fm.intel.com with ESMTP; 21 Sep 2022 05:33:37 -0700 From: Mathias Nyman To: Cc: , Mathias Nyman Subject: [PATCH 4/6] xhci: show fault reason for a failed enable slot command Date: Wed, 21 Sep 2022 15:34:48 +0300 Message-Id: <20220921123450.671459-5-mathias.nyman@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220921123450.671459-1-mathias.nyman@linux.intel.com> References: <20220921123450.671459-1-mathias.nyman@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Show the completion code of a unsuccessful "enable slot" command. Add it in a human readable form to the existing error message. Signed-off-by: Mathias Nyman --- drivers/usb/host/xhci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index a7ef675f00fd..17f5dda913be 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -4096,7 +4096,8 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev) slot_id = command->slot_id; if (!slot_id || command->status != COMP_SUCCESS) { - xhci_err(xhci, "Error while assigning device slot ID\n"); + xhci_err(xhci, "Error while assigning device slot ID: %s\n", + xhci_trb_comp_code_string(command->status)); xhci_err(xhci, "Max number of devices this xHCI host supports is %u.\n", HCS_MAX_SLOTS( readl(&xhci->cap_regs->hcs_params1)));