From patchwork Sun Jul 26 22:01:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guenter Roeck X-Patchwork-Id: 11686175 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 8D34314E3 for ; Sun, 26 Jul 2020 22:01:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 75C7020738 for ; Sun, 26 Jul 2020 22:01:29 +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="CdxD1K88" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727854AbgGZWBQ (ORCPT ); Sun, 26 Jul 2020 18:01:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54964 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727835AbgGZWBP (ORCPT ); Sun, 26 Jul 2020 18:01:15 -0400 Received: from mail-pj1-x1044.google.com (mail-pj1-x1044.google.com [IPv6:2607:f8b0:4864:20::1044]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E054EC0619D2; Sun, 26 Jul 2020 15:01:14 -0700 (PDT) Received: by mail-pj1-x1044.google.com with SMTP id e22so1025074pjt.3; Sun, 26 Jul 2020 15:01:14 -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=HZU+CLnTFoPQ1JpymZdUcH3mmJgipVbUCtqjlmDAw4Y=; b=CdxD1K88z+pamrzdL50IXo3+fI/VewOlDiIsVj0yC9ux7QMRnYUYRnce+xaioIwu5w K6rLBVZwaCGYF2RXjt6SA3i4iuH/DdR1XLE9OMPVkuuyDjjt0kxbbVeoWfsE4Esvo3xe wv7Z4ikMuMy8v0QAIDbO4jimtiA63GpwrmB0No5zX67DucutM4Wc/s7gicfyHMvP+2F5 BPwy3ZYi5FoYLigOLnDF+ycy5As6724VO3oEf9jHZ82lAbooHkNijSRc0QxrWrWLTVn9 bTkQJQaWwbH94hOJ9AbvcgWFWsS1eSwMBSrFWi8duDFy+3OVwMb3lwXjsAWBXyLRCFs0 EZVQ== 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=HZU+CLnTFoPQ1JpymZdUcH3mmJgipVbUCtqjlmDAw4Y=; b=him9WNvmu3/87KOqiG+K5rRC8RkXNRicnK074j8ahp0Bik8BSDE0RVwZyQ2egKmqcG TvmaKfusnM6djxBECD1rf2SCfktvN23s1YuygM9vmIbAQhmwZIGcYO4UPN63M+6El9/6 QCg3WGBqnV8PRW1cJkUjyLRaA9CJZbZskQd3yQwKqkO4ha/+vDsug0nFDiaBq1t2AmM4 voWmCACQTA4YY1Pk3zwMdwbVnRn7yTDj2WTvqlph68ax7YgV3NI2W0ARL24bIo+TVR28 7qTCXCUoc/YPp+JEHgGtXPhVunUTJFKrbnway6X7lxk1mqcUMztTcdMdPgRiso2ZRprv NzjQ== X-Gm-Message-State: AOAM530cOJJyoaiLwgN67IwLhAOvtCwv8EJPf8vKRDo1ks0Xu0snr+LG mABLvehjRV3FztOT1rkhuJI= X-Google-Smtp-Source: ABdhPJyiR2/jzi0/mGeVbInjQrjH9JtBbofevJuQAdZAS21fYp/R60zxL4MAY3tywdlHrPPk3A/hcQ== X-Received: by 2002:a17:902:b685:: with SMTP id c5mr16430943pls.115.1595800874478; Sun, 26 Jul 2020 15:01:14 -0700 (PDT) Received: from localhost ([2600:1700:e321:62f0:329c:23ff:fee3:9d7c]) by smtp.gmail.com with ESMTPSA id s6sm12899414pfd.20.2020.07.26.15.01.13 (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Sun, 26 Jul 2020 15:01:14 -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?= , Gwendal Grignou , Brian Norris , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, linux-pwm@vger.kernel.org, Guenter Roeck , Yu-Hsuan Hsu , Prashant Malani Subject: [PATCH v3 5/6] platform/input: cros_ec: Replace -ENOTSUPP with -ENOPROTOOPT Date: Sun, 26 Jul 2020 15:01:00 -0700 Message-Id: <20200726220101.29059-6-linux@roeck-us.net> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200726220101.29059-1-linux@roeck-us.net> References: <20200726220101.29059-1-linux@roeck-us.net> Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@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 Signed-off-by: Guenter Roeck Acked-by: Dmitry Torokhov --- 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 3e745e0fe092..e5bbec979a2a 100644 --- a/drivers/platform/chrome/cros_ec_proto.c +++ b/drivers/platform/chrome/cros_ec_proto.c @@ -555,7 +555,7 @@ EXPORT_SYMBOL(cros_ec_cmd_xfer); * * 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, @@ -569,7 +569,7 @@ 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;