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authorDave Jones <davej@redhat.com>2013-01-10 14:24:41 -0500
committerDave Jones <davej@redhat.com>2013-01-10 14:24:41 -0500
commitefd70b8f77b7a7adf3add772e424ce95f289b50e (patch)
tree9a1ef645e505365b98c15b27c8b0f6fd27146a66 /linux-2.6-serial-460800.patch
parent1cdf6c9bdd28cb65fa59d2b2ce305cac30decd0d (diff)
downloadkernel-efd70b8f77b7a7adf3add772e424ce95f289b50e.tar.gz
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Rename a bunch of patches.
Diffstat (limited to 'linux-2.6-serial-460800.patch')
-rw-r--r--linux-2.6-serial-460800.patch70
1 files changed, 0 insertions, 70 deletions
diff --git a/linux-2.6-serial-460800.patch b/linux-2.6-serial-460800.patch
deleted file mode 100644
index 0e68378e7..000000000
--- a/linux-2.6-serial-460800.patch
+++ /dev/null
@@ -1,70 +0,0 @@
-diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
-index 2209620..659c1bb 100644
---- a/drivers/tty/serial/8250/8250.c
-+++ b/drivers/tty/serial/8250/8250.c
-@@ -7,6 +7,9 @@
- *
- * 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
-@@ -2227,6 +2230,14 @@ 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);
-
-@@ -2240,7 +2251,7 @@ serial8250_set_termios(struct uart_port *port, struct ktermios *termios,
- container_of(port, struct uart_8250_port, port);
- unsigned char cval, fcr = 0;
- unsigned long flags;
-- unsigned int baud, quot;
-+ unsigned int baud, quot, max_baud;
- int fifo_bug = 0;
-
- switch (termios->c_cflag & CSIZE) {
-@@ -2272,9 +2283,10 @@ serial8250_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);
-
- /*
-@@ -2311,6 +2323,19 @@ serial8250_set_termios(struct uart_port *port, struct ktermios *termios,
- spin_lock_irqsave(&up->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);