X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fserial%2Fserial_txx9.c;h=ee98a867bc6dabd5604763fb7c0c26518bdb57bf;hb=f3e39e67b9b6ad6a51d13be902e8341f13b93531;hp=f10c86d60b647fb8dedad8423d7f507920d3b705;hpb=d7f6884ae0ae6e406ec3500fcde16e8f51642460;p=powerpc.git

diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c
index f10c86d60b..ee98a867bc 100644
--- a/drivers/serial/serial_txx9.c
+++ b/drivers/serial/serial_txx9.c
@@ -52,6 +52,7 @@
 #include <linux/tty_flip.h>
 #include <linux/serial_core.h>
 #include <linux/serial.h>
+#include <linux/mutex.h>
 
 #include <asm/io.h>
 #include <asm/irq.h>
@@ -303,17 +304,6 @@ receive_chars(struct uart_txx9_port *up, unsigned int *status, struct pt_regs *r
 	char flag;
 
 	do {
-		/* The following is not allowed by the tty layer and
-		   unsafe. It should be fixed ASAP */
-		if (unlikely(tty->flip.count >= TTY_FLIPBUF_SIZE)) {
-			if (tty->low_latency) {
-				spin_unlock(&up->port.lock);
-				tty_flip_buffer_push(tty);
-				spin_lock(&up->port.lock);
-			}
-			/* If this failed then we will throw away the
-			   bytes but must do so to clear interrupts */
-		}
 		ch = sio_in(up, TXX9_SIRFIFO);
 		flag = TTY_NORMAL;
 		up->port.icount.rx++;
@@ -1029,7 +1019,7 @@ static void serial_txx9_resume_port(int line)
 	uart_resume_port(&serial_txx9_reg, &serial_txx9_ports[line].port);
 }
 
-static DECLARE_MUTEX(serial_txx9_sem);
+static DEFINE_MUTEX(serial_txx9_mutex);
 
 /**
  *	serial_txx9_register_port - register a serial port
@@ -1048,7 +1038,7 @@ static int __devinit serial_txx9_register_port(struct uart_port *port)
 	struct uart_txx9_port *uart;
 	int ret = -ENOSPC;
 
-	down(&serial_txx9_sem);
+	mutex_lock(&serial_txx9_mutex);
 	for (i = 0; i < UART_NR; i++) {
 		uart = &serial_txx9_ports[i];
 		if (uart->port.type == PORT_UNKNOWN)
@@ -1069,7 +1059,7 @@ static int __devinit serial_txx9_register_port(struct uart_port *port)
 		if (ret == 0)
 			ret = uart->port.line;
 	}
-	up(&serial_txx9_sem);
+	mutex_unlock(&serial_txx9_mutex);
 	return ret;
 }
 
@@ -1084,7 +1074,7 @@ static void __devexit serial_txx9_unregister_port(int line)
 {
 	struct uart_txx9_port *uart = &serial_txx9_ports[line];
 
-	down(&serial_txx9_sem);
+	mutex_lock(&serial_txx9_mutex);
 	uart_remove_one_port(&serial_txx9_reg, &uart->port);
 	uart->port.flags = 0;
 	uart->port.type = PORT_UNKNOWN;
@@ -1093,7 +1083,7 @@ static void __devexit serial_txx9_unregister_port(int line)
 	uart->port.membase = 0;
 	uart->port.dev = NULL;
 	uart_add_one_port(&serial_txx9_reg, &uart->port);
-	up(&serial_txx9_sem);
+	mutex_unlock(&serial_txx9_mutex);
 }
 
 /*
@@ -1195,7 +1185,7 @@ static int __init serial_txx9_init(void)
 		serial_txx9_register_ports(&serial_txx9_reg);
 
 #ifdef ENABLE_SERIAL_TXX9_PCI
-		ret = pci_module_init(&serial_txx9_pci_driver);
+		ret = pci_register_driver(&serial_txx9_pci_driver);
 #endif
 	}
 	return ret;