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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id EA8F1ECAAA1 for ; Mon, 24 Oct 2022 11:53:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232078AbiJXLxH (ORCPT ); Mon, 24 Oct 2022 07:53:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34674 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231570AbiJXLwe (ORCPT ); Mon, 24 Oct 2022 07:52:34 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E418020BDC; Mon, 24 Oct 2022 04:44:46 -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 dfw.source.kernel.org (Postfix) with ESMTPS id EEC96612BF; Mon, 24 Oct 2022 11:42:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 11543C433D6; Mon, 24 Oct 2022 11:42:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666611752; bh=Vy69GDxqPG6S8USrgQGKNh1k8SXRIWO8A5b+jSFVqU0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IUFs9+Hydal/wHRmz5bbdWKZ2VIST+B11bUaY3fGtyvpVQ4sHxcr7cyycsqBCEufq pCxFGSPjxvZFVkLNLIQ39Hu96fzHUJVStz6hCRvRpDsDjWkK/tzqXqVTIenw0xxElQ sVVVGmght8mgPzGnsQ6F8N5g6SfMvIUjL/mRkg7s= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Shubhrajyoti Datta , Sasha Levin Subject: [PATCH 4.9 098/159] tty: xilinx_uartps: Fix the ignore_status Date: Mon, 24 Oct 2022 13:30:52 +0200 Message-Id: <20221024112953.013895835@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221024112949.358278806@linuxfoundation.org> References: <20221024112949.358278806@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 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@xilinx.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 b92700fdfd51..4fb040569194 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -363,6 +363,8 @@ static irqreturn_t cdns_uart_isr(int irq, void *dev_id) isrstatus &= ~CDNS_UART_IXR_TXEMPTY; } + isrstatus &= port->read_status_mask; + isrstatus &= ~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. -- 2.35.1