1 files changed, 0 insertions, 40 deletions
diff --git a/target/linux/layerscape/patches-5.4/819-uart-0002-tty-serial-fsl_lpuart-add-modem-device-reset.patch b/target/linux/layerscape/patches-5.4/819-uart-0002-tty-serial-fsl_lpuart-add-modem-device-reset.patch
deleted file mode 100644
index a287cd7f05..0000000000
--- a/target/linux/layerscape/patches-5.4/819-uart-0002-tty-serial-fsl_lpuart-add-modem-device-reset.patch
+++ /dev/null
@@ -1,40 +0,0 @@
-From 5b05462e88dc87d83566d04dd196b4f3d9dc0eef Mon Sep 17 00:00:00 2001
-From: Fugang Duan <fugang.duan@nxp.com>
-Date: Mon, 28 Jan 2019 10:12:52 +0800
-Subject: [PATCH] tty: serial: fsl_lpuart: add modem device reset
-
-Add modem device reset, wthether to reset depend on dts configuration.
-
-Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
----
- drivers/tty/serial/fsl_lpuart.c | 10 ++++++++++
- 1 file changed, 10 insertions(+)
-
---- a/drivers/tty/serial/fsl_lpuart.c
-+++ b/drivers/tty/serial/fsl_lpuart.c
-@@ -22,6 +22,7 @@
- #include <linux/of_dma.h>
- #include <linux/pm_domain.h>
- #include <linux/pm_runtime.h>
-+#include <linux/reset.h>
- #include <linux/serial_core.h>
- #include <linux/slab.h>
- #include <linux/tty_flip.h>
-@@ -1555,8 +1556,17 @@ static void lpuart32_configure(struct lp
- static int lpuart32_startup(struct uart_port *port)
- {
- 	struct lpuart_port *sport = container_of(port, struct lpuart_port, port);
-+	struct tty_port *tty_port = &sport->port.state->port;
- 	unsigned long flags;
- 	unsigned long temp;
-+	int ret;
-+
-+	/* some modem may need reset */
-+	if (!tty_port_suspended(tty_port)) {
-+		ret = device_reset(sport->port.dev);
-+		if (ret && ret != -ENOENT)
-+			return ret;
-+	}
- 
- 	/* determine FIFO size */
- 	temp = lpuart32_read(&sport->port, UARTFIFO);