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Fri, 29 Jul 2022 04:48:04 -0700 Envelope-to: linux-serial@vger.kernel.org, gregkh@linuxfoundation.org, shubhrajyoti.datta@gmail.com, git@amd.com Received: from [10.140.6.18] (port=57946 helo=xhdlakshmis40.xilinx.com) by smtp.xilinx.com with esmtp (Exim 4.90) (envelope-from ) id 1oHOTL-000DJo-VQ; Fri, 29 Jul 2022 04:48:04 -0700 From: Shubhrajyoti Datta To: CC: , , , , Shubhrajyoti Datta Subject: [PATCH v2 4/7] tty: xilinx_uartps: Fix the ignore_status Date: Fri, 29 Jul 2022 17:17:45 +0530 Message-ID: <20220729114748.18332-5-shubhrajyoti.datta@xilinx.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220729114748.18332-1-shubhrajyoti.datta@xilinx.com> References: <20220729114748.18332-1-shubhrajyoti.datta@xilinx.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 36462786-ae2d-40f1-d883-08da7158363a X-MS-TrafficTypeDiagnostic: BN6PR02MB2500:EE_ X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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PTR:unknown-62-198.xilinx.com; CAT:NONE; SFS:(13230016)(4636009)(346002)(376002)(396003)(136003)(39860400002)(36840700001)(46966006)(40470700004)(40480700001)(40460700003)(36860700001)(7636003)(82740400003)(356005)(7696005)(82310400005)(70206006)(70586007)(478600001)(9786002)(5660300002)(4326008)(8936002)(8676002)(316002)(6916009)(54906003)(186003)(107886003)(336012)(2616005)(47076005)(1076003)(426003)(83380400001)(41300700001)(2906002)(6666004)(4744005)(44832011)(26005)(36756003)(102446001); DIR:OUT; SFP:1101; X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 29 Jul 2022 11:48:10.6452 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 36462786-ae2d-40f1-d883-08da7158363a X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c; Ip=[149.199.62.198]; Helo=[xsj-pvapexch01.xlnx.xilinx.com] X-MS-Exchange-CrossTenant-AuthSource: SN1NAM02FT0041.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN6PR02MB2500 Precedence: bulk List-ID: X-Mailing-List: linux-serial@vger.kernel.org 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 --- 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 94e1bc694457..ae99e1164f0c 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -361,6 +361,8 @@ 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.