X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Flinux%2Fgeneric_serial.h;h=652611a4bdcd1ea05aa0bcd6e6a2d9d1a2a39da7;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=f2bd22edba05f887a10f2753feeaed7ecaea70e0;hpb=9bf4aaab3e101692164d49b7ca357651eb691cb6;p=linux-2.6.git

diff --git a/include/linux/generic_serial.h b/include/linux/generic_serial.h
index f2bd22edb..652611a4b 100644
--- a/include/linux/generic_serial.h
+++ b/include/linux/generic_serial.h
@@ -12,6 +12,8 @@
 #ifndef GENERIC_SERIAL_H
 #define GENERIC_SERIAL_H
 
+#include <linux/mutex.h>
+
 struct real_driver {
   void                    (*disable_tx_interrupts) (void *);
   void                    (*enable_tx_interrupts) (void *);
@@ -34,7 +36,7 @@ struct gs_port {
   int                     xmit_head;
   int                     xmit_tail;
   int                     xmit_cnt;
-  /*  struct semaphore        port_write_sem; */
+  struct mutex            port_write_mutex;
   int                     flags;
   wait_queue_head_t       open_wait;
   wait_queue_head_t       close_wait;
@@ -49,6 +51,7 @@ struct gs_port {
   int                     baud_base;
   int                     baud;
   int                     custom_divisor;
+  spinlock_t              driver_lock;
 };
 
 
@@ -70,10 +73,11 @@ struct gs_port {
 #define GS_DEBUG_STUFF   0x00000008
 #define GS_DEBUG_CLOSE   0x00000010
 #define GS_DEBUG_FLOW    0x00000020
+#define GS_DEBUG_WRITE   0x00000040
 
 
 void gs_put_char(struct tty_struct *tty, unsigned char ch);
-int  gs_write(struct tty_struct *tty, int from_user, 
+int  gs_write(struct tty_struct *tty, 
              const unsigned char *buf, int count);
 int  gs_write_room(struct tty_struct *tty);
 int  gs_chars_in_buffer(struct tty_struct *tty);
@@ -82,7 +86,6 @@ void gs_flush_chars(struct tty_struct *tty);
 void gs_stop(struct tty_struct *tty);
 void gs_start(struct tty_struct *tty);
 void gs_hangup(struct tty_struct *tty);
-void gs_do_softint(void *private_);
 int  gs_block_til_ready(void *port, struct file *filp);
 void gs_close(struct tty_struct *tty, struct file *filp);
 void gs_set_termios (struct tty_struct * tty, 
@@ -92,6 +95,4 @@ int  gs_setserial(struct gs_port *port, struct serial_struct __user *sp);
 int  gs_getserial(struct gs_port *port, struct serial_struct __user *sp);
 void gs_got_break(struct gs_port *port);
 
-extern int gs_debug;
-
 #endif