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Received: from AS8PR04MB8404.eurprd04.prod.outlook.com (2603:10a6:20b:3f8::7) by AS8PR04MB8916.eurprd04.prod.outlook.com (2603:10a6:20b:42f::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5791.24; Thu, 10 Nov 2022 08:19:17 +0000 Received: from AS8PR04MB8404.eurprd04.prod.outlook.com ([fe80::71f1:f7bb:5039:e55d]) by AS8PR04MB8404.eurprd04.prod.outlook.com ([fe80::71f1:f7bb:5039:e55d%3]) with mapi id 15.20.5791.027; Thu, 10 Nov 2022 08:19:17 +0000 From: Sherry Sun To: gregkh@linuxfoundation.org, jirislaby@kernel.org Cc: michael@walle.cc, jingchang.lu@freescale.com, tomonori.sakita@sord.co.jp, atsushi.nemoto@sord.co.jp, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com Subject: [PATCH V2 0/5] fsl_lpuart: improve Idle Line Interrupt and registers handle in .shutdown() Date: Thu, 10 Nov 2022 16:17:23 +0800 Message-Id: <20221110081728.10172-1-sherry.sun@nxp.com> X-Mailer: git-send-email 2.17.1 X-ClientProxiedBy: SI2PR02CA0022.apcprd02.prod.outlook.com (2603:1096:4:195::23) To AS8PR04MB8404.eurprd04.prod.outlook.com (2603:10a6:20b:3f8::7) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS8PR04MB8404:EE_|AS8PR04MB8916:EE_ X-MS-Office365-Filtering-Correlation-Id: c11ecd86-bb58-435d-86d4-08dac2f44257 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Patches have been tested on imx8ulp-evk platform. Sherry Sun (5): tty: serial: fsl_lpuart: only enable Idle Line Interrupt for non-dma case tty: serial: fsl_lpuart: clear UARTCTRL_LOOPS in lpuart32_shutdown() tty: serial: fsl_lpuart: clear UARTMODIR register in lpuart32_shutdown() tty: serial: fsl_lpuart: disable Rx/Tx DMA in lpuart32_shutdown() tty: serial: fsl_lpuart: clear LPUART Status Register in lpuart32_shutdown() drivers/tty/serial/fsl_lpuart.c | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-)