From nobody Wed Sep 3 06:05:13 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7372DC38A2D for ; Mon, 24 Oct 2022 12:40:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231819AbiJXMiv (ORCPT ); Mon, 24 Oct 2022 08:38:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60538 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233979AbiJXM3I (ORCPT ); Mon, 24 Oct 2022 08:29:08 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8AB0387FAD; Mon, 24 Oct 2022 05:03:05 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 2033BB81205; Mon, 24 Oct 2022 12:00:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 52CC8C433D6; Mon, 24 Oct 2022 12:00:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666612811; bh=Ws77N57CxyF8R2lCt0Q+LCWWOIs7ZrRkFT0j9x5vLi0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UFes2JN2qSRIY2dvj/LoqHhybzj9GYtl5cZYIxYLX3o6F84d+sDmHiAR4RPHe708L HjrATpUJvU1CYOWQIExEqXqrJSXOqTa6DE2ss2Sur7UDdXm1i92KK/+2VDE7msin+P 79c7VWqDaDIxdm9WztWO6ofULO0FoPFFnsfflfSw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Shubhrajyoti Datta , Sasha Levin Subject: [PATCH 4.19 129/229] tty: xilinx_uartps: Fix the ignore_status Date: Mon, 24 Oct 2022 13:30:48 +0200 Message-Id: <20221024113003.181254735@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221024112959.085534368@linuxfoundation.org> References: <20221024112959.085534368@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Shubhrajyoti Datta [ Upstream commit b8a6c3b3d4654fba19881cc77da61eac29f57cae ] Currently the ignore_status is not considered in the isr. Add a check to add the ignore_status. Fixes: 61ec9016988f ("tty/serial: add support for Xilinx PS UART") Signed-off-by: Shubhrajyoti Datta Link: https://lore.kernel.org/r/20220729114748.18332-5-shubhrajyoti.datta@x= ilinx.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/tty/serial/xilinx_uartps.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx= _uartps.c index c22bd40fc6f0..ded9f16d08eb 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -365,6 +365,8 @@ static irqreturn_t cdns_uart_isr(int irq, void *dev_id) isrstatus &=3D ~CDNS_UART_IXR_TXEMPTY; } =20 + isrstatus &=3D port->read_status_mask; + isrstatus &=3D ~port->ignore_status_mask; /* * Skip RX processing if RX is disabled as RXEMPTY will never be set * as read bytes will not be removed from the FIFO. --=20 2.35.1