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Tue, 19 Jun 2018 08:57:52 +0000 From: Robin Gong To: vkoul@kernel.org, s.hauer@pengutronix.de, l.stach@pengutronix.de, dan.j.williams@intel.com, gregkh@linuxfoundation.org, jslaby@suse.com Cc: linux-serial@vger.kernel.org, dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-imx@nxp.com Subject: [PATCH v5 1/7] tty: serial: imx: correct dma cookie status Date: Wed, 20 Jun 2018 00:56:58 +0800 Message-Id: <1529427424-12321-2-git-send-email-yibin.gong@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1529427424-12321-1-git-send-email-yibin.gong@nxp.com> References: <1529427424-12321-1-git-send-email-yibin.gong@nxp.com> MIME-Version: 1.0 X-Originating-IP: [119.31.174.66] X-ClientProxiedBy: HK0PR03CA0073.apcprd03.prod.outlook.com (2603:1096:203:72::13) To VI1PR04MB3231.eurprd04.prod.outlook.com (2603:10a6:802:6::28) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: ceedd419-0d52-40ed-2290-08d5d5c2bfdc X-MS-Office365-Filtering-HT: Tenant X-Microsoft-Antispam: UriScan:; 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But it will not once sdma driver support multi cookies running based on virt-dma. Signed-off-by: Robin Gong Acked-by: Uwe Kleine-König --- drivers/tty/serial/imx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 4e85357..2879407 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -1051,7 +1051,7 @@ static void imx_uart_dma_rx_callback(void *data) unsigned int r_bytes; unsigned int bd_size; - status = dmaengine_tx_status(chan, (dma_cookie_t)0, &state); + status = dmaengine_tx_status(chan, sport->rx_cookie, &state); if (status == DMA_ERROR) { imx_uart_clear_rx_errors(sport);