[ARM] 3268/1: AT91RM9200 serial update for 2.6.15-git12

Patch from Andrew Victor

This patch fixes two small issues with 2.6.15-git12.

1) Corrected major/minor numbers for ttyAT devices in the KConfig help.
   (Patch from Karl Olsen)

2) tty->flip.count has been removed.
Signed-off-by: Andrew Victor <andrew@sanpeople.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

drivers/serial/Kconfig

@@ -301,7 +301,7 @@ config SERIAL_AT91_TTYAT
 	depends on SERIAL_AT91=y
 	help
 	  Say Y here if you wish to have the five internal AT91RM9200 UARTs
-	  appear as /dev/ttyAT0-4 (major 240, minor 0-4) instead of the
+	  appear as /dev/ttyAT0-4 (major 204, minor 154-158) instead of the
 	  normal /dev/ttyS0-4 (major 4, minor 64-68). This is necessary if
 	  you also want other UARTs, such as external 8250/16C550 compatible
 	  UARTs.

drivers/serial/at91_serial.c

@@ -222,8 +222,6 @@ static void at91_rx_chars(struct uart_port *port, struct pt_regs *regs)
 	while (status & (AT91_US_RXRDY)) {
 		ch = UART_GET_CHAR(port);
 
-		if (tty->flip.count >= TTY_FLIPBUF_SIZE)
-			goto ignore_char;
 		port->icount.rx++;
 
 		flg = TTY_NORMAL;