1 files changed, 0 insertions, 76 deletions
diff --git a/debian/patches-rt/0018-serial-apb-Use-port-lock-wrappers.patch b/debian/patches-rt/0018-serial-apb-Use-port-lock-wrappers.patch
deleted file mode 100644
index 4dcf54a895..0000000000
--- a/debian/patches-rt/0018-serial-apb-Use-port-lock-wrappers.patch
+++ /dev/null
@@ -1,76 +0,0 @@
-From: Thomas Gleixner <tglx@linutronix.de>
-Date: Thu, 14 Sep 2023 20:43:35 +0206
-Subject: [PATCH 018/134] serial: apb: Use port lock wrappers
-Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.6/older/patches-6.6.7-rt18.tar.xz
-
-When a serial port is used for kernel console output, then all
-modifications to the UART registers which are done from other contexts,
-e.g. getty, termios, are interference points for the kernel console.
-
-So far this has been ignored and the printk output is based on the
-principle of hope. The rework of the console infrastructure which aims to
-support threaded and atomic consoles, requires to mark sections which
-modify the UART registers as unsafe. This allows the atomic write function
-to make informed decisions and eventually to restore operational state. It
-also allows to prevent the regular UART code from modifying UART registers
-while printk output is in progress.
-
-All modifications of UART registers are guarded by the UART port lock,
-which provides an obvious synchronization point with the console
-infrastructure.
-
-To avoid adding this functionality to all UART drivers, wrap the
-spin_[un]lock*() invocations for uart_port::lock into helper functions
-which just contain the spin_[un]lock*() invocations for now. In a
-subsequent step these helpers will gain the console synchronization
-mechanisms.
-
-Converted with coccinelle. No functional change.
-
-Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
-Signed-off-by: John Ogness <john.ogness@linutronix.de>
-Link: https://lore.kernel.org/r/20230914183831.587273-19-john.ogness@linutronix.de
-Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
----
- drivers/tty/serial/apbuart.c |    8 ++++----
- 1 file changed, 4 insertions(+), 4 deletions(-)
-
---- a/drivers/tty/serial/apbuart.c
-+++ b/drivers/tty/serial/apbuart.c
-@@ -133,7 +133,7 @@ static irqreturn_t apbuart_int(int irq,
- 	struct uart_port *port = dev_id;
- 	unsigned int status;
- 
--	spin_lock(&port->lock);
-+	uart_port_lock(port);
- 
- 	status = UART_GET_STATUS(port);
- 	if (status & UART_STATUS_DR)
-@@ -141,7 +141,7 @@ static irqreturn_t apbuart_int(int irq,
- 	if (status & UART_STATUS_THE)
- 		apbuart_tx_chars(port);
- 
--	spin_unlock(&port->lock);
-+	uart_port_unlock(port);
- 
- 	return IRQ_HANDLED;
- }
-@@ -228,7 +228,7 @@ static void apbuart_set_termios(struct u
- 	if (termios->c_cflag & CRTSCTS)
- 		cr |= UART_CTRL_FL;
- 
--	spin_lock_irqsave(&port->lock, flags);
-+	uart_port_lock_irqsave(port, &flags);
- 
- 	/* Update the per-port timeout. */
- 	uart_update_timeout(port, termios->c_cflag, baud);
-@@ -251,7 +251,7 @@ static void apbuart_set_termios(struct u
- 	UART_PUT_SCAL(port, quot);
- 	UART_PUT_CTRL(port, cr);
- 
--	spin_unlock_irqrestore(&port->lock, flags);
-+	uart_port_unlock_irqrestore(port, flags);
- }
- 
- static const char *apbuart_type(struct uart_port *port)