linux-kernel - [PATCH V2] tty: serial: fsl_lpuart: switch to new dmaengine_terminate

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <20221123023619.30173-1-sherry.sun@nxp.com>
Date:   Wed, 23 Nov 2022 10:36:19 +0800
From:   Sherry Sun <sherry.sun@....com>
To:     gregkh@...uxfoundation.org, jirislaby@...nel.org
Cc:     linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-imx@....com
Subject: [PATCH V2] tty: serial: fsl_lpuart: switch to new dmaengine_terminate_* API

Convert dmaengine_terminate_all() calls to synchronous and asynchronous
versions where appropriate.

Signed-off-by: Sherry Sun <sherry.sun@....com>
---
Changes in V2:
1. Fix the rebase fail issue based on the latest tty-testing branch.
---
 drivers/tty/serial/fsl_lpuart.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/tty/serial/fsl_lpuart.c b/drivers/tty/serial/fsl_lpuart.c
index c1c8aa3e0fac..5e69fb73f570 100644
--- a/drivers/tty/serial/fsl_lpuart.c
+++ b/drivers/tty/serial/fsl_lpuart.c
@@ -583,7 +583,7 @@ static void lpuart_flush_buffer(struct uart_port *port)
 				sport->dma_tx_nents, DMA_TO_DEVICE);
 			sport->dma_tx_in_progress = false;
 		}
-		dmaengine_terminate_all(chan);
+		dmaengine_terminate_async(chan);
 	}
 
 	if (lpuart_is_32(sport)) {
@@ -1327,7 +1327,7 @@ static void lpuart_dma_rx_free(struct uart_port *port)
 					struct lpuart_port, port);
 	struct dma_chan *chan = sport->dma_rx_chan;
 
-	dmaengine_terminate_all(chan);
+	dmaengine_terminate_sync(chan);
 	dma_unmap_sg(chan->device->dev, &sport->rx_sgl, 1, DMA_FROM_DEVICE);
 	kfree(sport->rx_ring.buf);
 	sport->rx_ring.tail = 0;
@@ -1757,7 +1757,7 @@ static void lpuart_dma_shutdown(struct lpuart_port *sport)
 		if (wait_event_interruptible_timeout(sport->dma_wait,
 			!sport->dma_tx_in_progress, msecs_to_jiffies(300)) <= 0) {
 			sport->dma_tx_in_progress = false;
-			dmaengine_terminate_all(sport->dma_tx_chan);
+			dmaengine_terminate_sync(sport->dma_tx_chan);
 		}
 		sport->lpuart_dma_tx_use = false;
 	}
@@ -2968,7 +2968,7 @@ static int lpuart_suspend(struct device *dev)
 			}
 			spin_unlock_irqrestore(&sport->port.lock, flags);
 			sport->dma_tx_in_progress = false;
-			dmaengine_terminate_all(sport->dma_tx_chan);
+			dmaengine_terminate_sync(sport->dma_tx_chan);
 		}
 	} else if (pm_runtime_active(sport->port.dev)) {
 		lpuart_disable_clks(sport);
-- 
2.17.1