From patchwork Fri Oct 25 08:23:23 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heikki Krogerus X-Patchwork-Id: 11211679 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 CB916112B for ; Fri, 25 Oct 2019 08:24:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B3FD221E6F for ; Fri, 25 Oct 2019 08:24:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2437907AbfJYIYA (ORCPT ); Fri, 25 Oct 2019 04:24:00 -0400 Received: from mga07.intel.com ([134.134.136.100]:36083 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2405677AbfJYIX7 (ORCPT ); Fri, 25 Oct 2019 04:23:59 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Oct 2019 01:23:58 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.68,228,1569308400"; d="scan'208";a="210332157" Received: from black.fi.intel.com (HELO black.fi.intel.com.) ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 25 Oct 2019 01:23:56 -0700 From: Heikki Krogerus To: Greg Kroah-Hartman Cc: Guenter Roeck , Ajay Gupta , linux-usb@vger.kernel.org Subject: [PATCH v3 17/18] usb: typec: ucsi: New error codes Date: Fri, 25 Oct 2019 11:23:23 +0300 Message-Id: <20191025082324.75731-18-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191025082324.75731-1-heikki.krogerus@linux.intel.com> References: <20191025082324.75731-1-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 Adding new error codes to the driver that were introduced in UCSI specification v1.1. Signed-off-by: Heikki Krogerus Tested-by: Ajay Gupta --- drivers/usb/typec/ucsi/ucsi.c | 25 ++++++++++++++++++++----- drivers/usb/typec/ucsi/ucsi.h | 6 ++++++ 2 files changed, 26 insertions(+), 5 deletions(-) diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c index 6c6def96a55b..772f55c92ba3 100644 --- a/drivers/usb/typec/ucsi/ucsi.c +++ b/drivers/usb/typec/ucsi/ucsi.c @@ -86,18 +86,33 @@ static int ucsi_read_error(struct ucsi *ucsi) case UCSI_ERROR_DEAD_BATTERY: dev_warn(ucsi->dev, "Dead battery condition!\n"); return -EPERM; - /* The following mean a bug in this driver */ case UCSI_ERROR_INVALID_CON_NUM: case UCSI_ERROR_UNREGONIZED_CMD: case UCSI_ERROR_INVALID_CMD_ARGUMENT: - dev_err(ucsi->dev, "possible UCSI driver bug (0x%x)\n", error); + dev_err(ucsi->dev, "possible UCSI driver bug %u\n", error); return -EINVAL; + case UCSI_ERROR_OVERCURRENT: + dev_warn(ucsi->dev, "Overcurrent condition\n"); + break; + case UCSI_ERROR_PARTNER_REJECTED_SWAP: + dev_warn(ucsi->dev, "Partner rejected swap\n"); + break; + case UCSI_ERROR_HARD_RESET: + dev_warn(ucsi->dev, "Hard reset occurred\n"); + break; + case UCSI_ERROR_PPM_POLICY_CONFLICT: + dev_warn(ucsi->dev, "PPM Policy conflict\n"); + break; + case UCSI_ERROR_SWAP_REJECTED: + dev_warn(ucsi->dev, "Swap rejected\n"); + break; + case UCSI_ERROR_UNDEFINED: default: - dev_err(ucsi->dev, "%s: error without status\n", __func__); - return -EIO; + dev_err(ucsi->dev, "unknown error %u\n", error); + break; } - return 0; + return -EIO; } static int ucsi_exec_command(struct ucsi *ucsi, u64 cmd) diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h index bc2254e7a3a3..8569bbd3762f 100644 --- a/drivers/usb/typec/ucsi/ucsi.h +++ b/drivers/usb/typec/ucsi/ucsi.h @@ -133,6 +133,12 @@ void ucsi_connector_change(struct ucsi *ucsi, u8 num); #define UCSI_ERROR_CC_COMMUNICATION_ERR BIT(4) #define UCSI_ERROR_DEAD_BATTERY BIT(5) #define UCSI_ERROR_CONTRACT_NEGOTIATION_FAIL BIT(6) +#define UCSI_ERROR_OVERCURRENT BIT(7) +#define UCSI_ERROR_UNDEFINED BIT(8) +#define UCSI_ERROR_PARTNER_REJECTED_SWAP BIT(9) +#define UCSI_ERROR_HARD_RESET BIT(10) +#define UCSI_ERROR_PPM_POLICY_CONFLICT BIT(11) +#define UCSI_ERROR_SWAP_REJECTED BIT(12) /* Data structure filled by PPM in response to GET_CAPABILITY command. */ struct ucsi_capability {