From mboxrd@z Thu Jan 1 00:00:00 1970 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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 6810BC3B1A6 for ; Fri, 14 Feb 2020 17:36:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 37BF72067D for ; Fri, 14 Feb 2020 17:36:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581701777; bh=e564ST1k+o7W12jAtXCfhSUOBRMI5bbt6lHHNRoycxQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=BzktHAvgIJO1NYwqATjRYHWAzWQcHhYJ5nFaL7BT+s2QjGNXcs6KhxaDaPNdCoTLM U0VEk2gMvPHLJ27mM36XqyZ/uTSlBiJiDaMoKnhrcazlBIHoDEmxw+L4DAvZLs6q5l ccBVtV2hoFEa4xzwNHbn3etX3Jf3xLVP+OiV3dEI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390323AbgBNRgM (ORCPT ); Fri, 14 Feb 2020 12:36:12 -0500 Received: from mail.kernel.org ([198.145.29.99]:55636 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390206AbgBNQFj (ORCPT ); Fri, 14 Feb 2020 11:05:39 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3988D24681; Fri, 14 Feb 2020 16:05:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581696339; bh=e564ST1k+o7W12jAtXCfhSUOBRMI5bbt6lHHNRoycxQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=r3Xd7lN5z7B24FRapbnSE6hV4xiqouTxovK54vD1I3kVcEEjmt6uHC6w7e59wFqU9 a+gxiOSUsrwrR15OylcNH1cFbFEte4DFS2kNxUdcc/vocofSuzkLj3hH3xdLfJ64/z Y47Gq55Em6IigjB52ixuoGGAwoEFG7rsZAfrTeVM= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Xiongfeng Wang , Hulk Robot , Greg Kroah-Hartman , Sasha Levin , linux-serial@vger.kernel.org Subject: [PATCH AUTOSEL 5.4 175/459] tty: serial: amba-pl011: remove set but unused variable Date: Fri, 14 Feb 2020 10:57:05 -0500 Message-Id: <20200214160149.11681-175-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214160149.11681-1-sashal@kernel.org> References: <20200214160149.11681-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Xiongfeng Wang [ Upstream commit 94345aee285334e9e12fc70572e3d9380791a64e ] Fix the following warning: drivers/tty/serial/amba-pl011.c: In function check_apply_cts_event_workaround: drivers/tty/serial/amba-pl011.c:1461:15: warning: variable dummy_read set but not used [-Wunused-but-set-variable] The data read is useless and can be dropped. Reported-by: Hulk Robot Signed-off-by: Xiongfeng Wang Link: https://lore.kernel.org/r/1575619526-34482-1-git-send-email-wangxiongfeng2@huawei.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/tty/serial/amba-pl011.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index b0b6895463952..8e47ef5093c71 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -1456,8 +1456,6 @@ static void pl011_modem_status(struct uart_amba_port *uap) static void check_apply_cts_event_workaround(struct uart_amba_port *uap) { - unsigned int dummy_read; - if (!uap->vendor->cts_event_workaround) return; @@ -1469,8 +1467,8 @@ static void check_apply_cts_event_workaround(struct uart_amba_port *uap) * single apb access will incur 2 pclk(133.12Mhz) delay, * so add 2 dummy reads */ - dummy_read = pl011_read(uap, REG_ICR); - dummy_read = pl011_read(uap, REG_ICR); + pl011_read(uap, REG_ICR); + pl011_read(uap, REG_ICR); } static irqreturn_t pl011_int(int irq, void *dev_id) -- 2.20.1