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 038C5FA3740 for ; Mon, 24 Oct 2022 13:35:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233639AbiJXNdk (ORCPT ); Mon, 24 Oct 2022 09:33:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40520 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236104AbiJXN3i (ORCPT ); Mon, 24 Oct 2022 09:29:38 -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 8206BABD5D; Mon, 24 Oct 2022 05:32:37 -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 9304CB815A6; Mon, 24 Oct 2022 12:10:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EDAAEC433D7; Mon, 24 Oct 2022 12:10:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1666613424; bh=C2m0brS/mQxeTv6w1PZLi108PJEB7MRBUQFStMEbs28=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Sf+Clm1ChZERGL26LhHN9kmu+XMkEiiJ/7j7LTi/XKw4kjGh4+C9pbVE/ksp5h0Ot sYUQs5KCAZZdiiHYWOIuMscmTSeeQ7+x0DOuP5Zy3YpFdRWv112catmWk1wfYnfJ89 v4gL+tb3zMW4BxXPGy23BkR90dbUCTyGOy8CET0k= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Shubhrajyoti Datta , Sasha Levin Subject: [PATCH 5.4 132/255] tty: xilinx_uartps: Fix the ignore_status Date: Mon, 24 Oct 2022 13:30:42 +0200 Message-Id: <20221024113006.960063576@linuxfoundation.org> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221024113002.471093005@linuxfoundation.org> References: <20221024113002.471093005@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: linux-kernel@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 a1409251fbcc..6842999072c5 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -369,6 +369,8 @@ 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