From patchwork Tue Aug 10 17:30:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 495822 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-19.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A62EFC4320A for ; Tue, 10 Aug 2021 17:47:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8E1B5613CD for ; Tue, 10 Aug 2021 17:47:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234672AbhHJRrZ (ORCPT ); Tue, 10 Aug 2021 13:47:25 -0400 Received: from mail.kernel.org ([198.145.29.99]:42798 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233060AbhHJRpl (ORCPT ); Tue, 10 Aug 2021 13:45:41 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4A1FE61245; Tue, 10 Aug 2021 17:40:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1628617211; bh=M4uIk6HnIuaXHioYD4GBx7fOuXBr8/MhwfLnOPzphCQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Q+OruZ2PEK7ZNNe4fwnOKpHBQZY0wkUmnSZXDy+PX9Fnv2gRLmxHrSh/I/o5l8BKy 6/ksjPbWkUNL4WBqM0bq8Ca3a7nE+dxqsRm2YXRIR6H3/Bs1Tg3EtOMormLju90Bnf 4apJ5tdgcPGK8+XhRPTJZ1+WwUqlCJr8kQhFlpcw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Thierry Reding , Jon Hunter Subject: [PATCH 5.10 094/135] serial: tegra: Only print FIFO error message when an error occurs Date: Tue, 10 Aug 2021 19:30:28 +0200 Message-Id: <20210810172958.952262066@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210810172955.660225700@linuxfoundation.org> References: <20210810172955.660225700@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Jon Hunter commit cc9ca4d95846cbbece48d9cd385550f8fba6a3c1 upstream. The Tegra serial driver always prints an error message when enabling the FIFO for devices that have support for checking the FIFO enable status. Fix this by displaying the error message, only when an error occurs. Finally, update the error message to make it clear that enabling the FIFO failed and display the error code. Fixes: 222dcdff3405 ("serial: tegra: check for FIFO mode enabled status") Cc: Acked-by: Thierry Reding Signed-off-by: Jon Hunter Link: https://lore.kernel.org/r/20210630125643.264264-1-jonathanh@nvidia.com Signed-off-by: Greg Kroah-Hartman --- drivers/tty/serial/serial-tegra.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) --- a/drivers/tty/serial/serial-tegra.c +++ b/drivers/tty/serial/serial-tegra.c @@ -1040,9 +1040,11 @@ static int tegra_uart_hw_init(struct teg if (tup->cdata->fifo_mode_enable_status) { ret = tegra_uart_wait_fifo_mode_enabled(tup); - dev_err(tup->uport.dev, "FIFO mode not enabled\n"); - if (ret < 0) + if (ret < 0) { + dev_err(tup->uport.dev, + "Failed to enable FIFO mode: %d\n", ret); return ret; + } } else { /* * For all tegra devices (up to t210), there is a hardware