Drop serial-460800.patch

Nobody knows why we're still carrying it.  It isn't widely used.

2 files changed, 0 insertions, 79 deletions

diff --git a/kernel.spec b/kernel.spec
index 95d7aadf..39b3a676 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -551,8 +551,6 @@ Patch09: upstream-reverts.patch
 Patch450: input-kill-stupid-messages.patch
 Patch452: no-pcspkr-modalias.patch
 
-Patch460: serial-460800.patch
-
 Patch470: die-floppy-die.patch
 
 Patch500: Revert-Revert-ACPI-video-change-acpi-video-brightnes.patch
@@ -1275,9 +1273,6 @@ ApplyPatch die-floppy-die.patch
 
 ApplyPatch no-pcspkr-modalias.patch
 
-# Allow to use 480600 baud on 16C950 UARTs
-ApplyPatch serial-460800.patch
-
 # Silence some useless messages that still get printed with 'quiet'
 ApplyPatch silence-noise.patch
 
diff --git a/serial-460800.patch b/serial-460800.patch
deleted file mode 100644
index 92b24c56..00000000
--- a/serial-460800.patch
+++ /dev/null
@@ -1,74 +0,0 @@
-Bugzilla: N/A
-Upstream-status: Fedora mustard but I have no idea why.
-
-
-diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
-index 1d42dba6121d..30a5fde26949 100644
---- a/drivers/tty/serial/8250/8250_core.c
-+++ b/drivers/tty/serial/8250/8250_core.c
-@@ -5,6 +5,9 @@
-  *
-  *  Copyright (C) 2001 Russell King.
-  *
-+ *  2005/09/16: Enabled higher baud rates for 16C95x.
-+ *		(Mathias Adam <a2@adamis.de>)
-+ *
-  * This program is free software; you can redistribute it and/or modify
-  * it under the terms of the GNU General Public License as published by
-  * the Free Software Foundation; either version 2 of the License, or
-@@ -2246,6 +2249,14 @@ static unsigned int serial8250_get_divisor(struct uart_port *port, unsigned int
- 	else if ((port->flags & UPF_MAGIC_MULTIPLIER) &&
- 		 baud == (port->uartclk/8))
- 		quot = 0x8002;
-+	/*
-+	 * For 16C950s UART_TCR is used in combination with divisor==1
-+	 * to achieve baud rates up to baud_base*4.
-+	 */
-+	else if ((port->type == PORT_16C950) &&
-+		 baud > (port->uartclk/16))
-+		quot = 1;
-+
- 	else
- 		quot = uart_get_divisor(port, baud);
- 
-@@ -2259,7 +2270,7 @@ serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios,
- 	struct uart_8250_port *up = up_to_u8250p(port);
- 	unsigned char cval;
- 	unsigned long flags;
--	unsigned int baud, quot;
-+	unsigned int baud, quot, max_baud;
- 
- 	switch (termios->c_cflag & CSIZE) {
- 	case CS5:
-@@ -2294,9 +2305,10 @@ serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios,
- 	/*
- 	 * Ask the core to calculate the divisor for us.
- 	 */
-+	max_baud = (up->port.type == PORT_16C950 ? port->uartclk/4 : port->uartclk/16);
- 	baud = uart_get_baud_rate(port, termios, old,
- 				  port->uartclk / 16 / 0xffff,
--				  port->uartclk / 16);
-+				  max_baud);
- 	quot = serial8250_get_divisor(port, baud);
- 
- 	/*
-@@ -2336,6 +2348,19 @@ serial8250_do_set_termios(struct uart_port *port, struct ktermios *termios,
- 	spin_lock_irqsave(&port->lock, flags);
- 
- 	/*
-+	 * 16C950 supports additional prescaler ratios between 1:16 and 1:4
-+	 * thus increasing max baud rate to uartclk/4.
-+	 */
-+	if (up->port.type == PORT_16C950) {
-+		if (baud == port->uartclk/4)
-+			serial_icr_write(up, UART_TCR, 0x4);
-+		else if (baud == port->uartclk/8)
-+			serial_icr_write(up, UART_TCR, 0x8);
-+		else
-+			serial_icr_write(up, UART_TCR, 0);
-+	}
-+
-+	/*
- 	 * Update the per-port timeout.
- 	 */
- 	uart_update_timeout(port, termios->c_cflag, baud);