From patchwork Sat Aug 22 15:08:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guenter Roeck X-Patchwork-Id: 11731191 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 3ABEC14F6 for ; Sat, 22 Aug 2020 15:09:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2173922B3F for ; Sat, 22 Aug 2020 15:09:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="eiJGeoAi" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728362AbgHVPJh (ORCPT ); Sat, 22 Aug 2020 11:09:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46598 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726728AbgHVPJK (ORCPT ); Sat, 22 Aug 2020 11:09:10 -0400 Received: from mail-pj1-x1041.google.com (mail-pj1-x1041.google.com [IPv6:2607:f8b0:4864:20::1041]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 19A3CC061573; Sat, 22 Aug 2020 08:09:10 -0700 (PDT) Received: by mail-pj1-x1041.google.com with SMTP id d4so2066976pjx.5; Sat, 22 Aug 2020 08:09:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=XvKl02jufHLLnMJt3E8B12KOP7zAos8o1w+WI8beqQM=; b=eiJGeoAiy9iTITHjCX2YB16/FP0kudN3tuamVNNOt4/6rE420/YRkMRyYI50lKAc6Z meJq10torKmO5TGxw7cdNAdXC97dFO+fsWTy1EQJLhzXBEt/OPQR4IYqZdoCyMuK7g9b qVAWPMRMZ2vRbJg9UbapsosDBOCseDQ0C3xmpf57YPDBGnU6wdPyEkmm0OJcegJ8muVg DrE/1xnFjxb3reyDoEp4CJmnHuWMK7ALsYtD4Tg4wJ7kXoqhZseONT36xwQ8Oj6USz+5 mKFcax61i5ZDB7vfW7gtnGzio0g7Vx0YvK+QeRlKbJkzLF7uSDk15pDs1XIs2PenOJel dxkQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :in-reply-to:references; bh=XvKl02jufHLLnMJt3E8B12KOP7zAos8o1w+WI8beqQM=; b=e/2GWshzClKsYOdApdmcAUvcFP/4Hmb3ICmhfu1mzvtoe3TZ+7r9Xl1uW55edBSEtN iTLO5LmpL2PkPA0YpW8VgIJlYsNVva06DbWSHyO7Movpl12lNFSaFbbaeqCPkddvTSK0 M0oEiAVVu4EPWD+k5RDdik1NGkJPPCMTUL7VF0ekAlJvUg2jfBEks2XfwqF/+OCWjZZM 98M6xsq9uCBdv//c8kLqAGuBjH+0Z/jnk1V+gGIIXNHV6npiif8d93kN/r0lLi/KO++F 7LBAaaIYjKb8lgb5OwiIE3kZu9VdMlzAaBNdMFr3TxNwiuKpwboxrT+iAmTtBc0+mlpP PAXA== X-Gm-Message-State: AOAM533wY3QVvqXsleV1OUI/x8mzt6+Y2QH9FzVbaCHGRLpdj+HANW8G wReqJeZJXU0GpZtlSrX9TnA= X-Google-Smtp-Source: ABdhPJwA7x12JBUNVJ9JFUNiAOAwVhlsfBacnRFL3Z9rpk7Vnl3O4wTD7kKuTT2PnHENA8gXWnZF7g== X-Received: by 2002:a17:90a:19dc:: with SMTP id 28mr6324439pjj.103.1598108949630; Sat, 22 Aug 2020 08:09:09 -0700 (PDT) Received: from localhost ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id a10sm5906611pfk.26.2020.08.22.08.09.09 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Sat, 22 Aug 2020 08:09:09 -0700 (PDT) From: Guenter Roeck To: Enric Balletbo i Serra Cc: Jonathan Cameron , Benson Leung , Dmitry Torokhov , Thierry Reding , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Lee Jones , Gwendal Grignou , Yu-Hsuan Hsu , Prashant Malani , linux-iio@vger.kernel.org, linux-input@vger.kernel.org, linux-pwm@vger.kernel.org, linux-kernel@vger.kernel.org, Guenter Roeck , Brian Norris Subject: [PATCH v5 5/7] platform/input: cros_ec: Replace -ENOTSUPP with -ENOPROTOOPT Date: Sat, 22 Aug 2020 08:08:55 -0700 Message-Id: <20200822150857.205775-6-linux@roeck-us.net> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200822150857.205775-1-linux@roeck-us.net> References: <20200822150857.205775-1-linux@roeck-us.net> Sender: linux-input-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org -ENOTSUPP is not a SUSV4 error code and should not be used. Use -ENOPROTOOPT instead to report EC_RES_INVALID_VERSION responses from the EC. This matches match the NFS response for unsupported protocol versions. Cc: Gwendal Grignou Cc: Yu-Hsuan Hsu Cc: Prashant Malani Cc: Brian Norris Acked-by: Dmitry Torokhov Signed-off-by: Guenter Roeck --- v5: No change v4: Added Dmitry's Acked-by: tag v3: Added patch drivers/input/keyboard/cros_ec_keyb.c | 2 +- drivers/platform/chrome/cros_ec_proto.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/input/keyboard/cros_ec_keyb.c b/drivers/input/keyboard/cros_ec_keyb.c index fc1793ca2f17..15d17c717081 100644 --- a/drivers/input/keyboard/cros_ec_keyb.c +++ b/drivers/input/keyboard/cros_ec_keyb.c @@ -348,7 +348,7 @@ static int cros_ec_keyb_info(struct cros_ec_device *ec_dev, params->event_type = event_type; ret = cros_ec_cmd_xfer_status(ec_dev, msg); - if (ret == -ENOTSUPP) { + if (ret == -ENOPROTOOPT) { /* With older ECs we just return 0 for everything */ memset(result, 0, result_size); ret = 0; diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c index 8d52b3b4bd4e..f4727511fb41 100644 --- a/drivers/platform/chrome/cros_ec_proto.c +++ b/drivers/platform/chrome/cros_ec_proto.c @@ -579,7 +579,7 @@ static int cros_ec_cmd_xfer(struct cros_ec_device *ec_dev, * * Return: * >=0 - The number of bytes transferred - * -ENOTSUPP - Operation not supported + * -ENOPROTOOPT - Operation not supported * -EPROTO - Protocol error */ int cros_ec_cmd_xfer_status(struct cros_ec_device *ec_dev, @@ -593,7 +593,7 @@ int cros_ec_cmd_xfer_status(struct cros_ec_device *ec_dev, } else if (msg->result == EC_RES_INVALID_VERSION) { dev_dbg(ec_dev->dev, "Command invalid version (err:%d)\n", msg->result); - return -ENOTSUPP; + return -ENOPROTOOPT; } else if (msg->result != EC_RES_SUCCESS) { dev_dbg(ec_dev->dev, "Command result (err: %d)\n", msg->result); return -EPROTO;