kernel: delete Linux 5.4 config and patches

As the upcoming release will be based on Linux 5.10 only, remove all
kernel configuration as well as patches for Linux 5.4.
There were no targets still actively using Linux 5.4.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

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);