Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / drivers / char / riscom8.c

diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c
index 55a3a01..657c0d8 100644 (file)
--- a/drivers/char/riscom8.c
+++ b/drivers/char/riscom8.c
@@ -46,6 +46,7 @@
 #include <linux/major.h>
 #include <linux/init.h>
 #include <linux/delay.h>
+#include <linux/tty_flip.h>
 
 #include <asm/uaccess.h>
 
@@ -81,7 +82,6 @@
 static struct riscom_board * IRQ_to_board[16];
 static struct tty_driver *riscom_driver;
 static unsigned char * tmp_buf;
-static DECLARE_MUTEX(tmp_buf_sem);
 
 static unsigned long baud_table[] =  {
        0, 50, 75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800,
@@ -107,15 +107,15 @@ static struct riscom_port rc_port[RC_NBOARD * RC_NPORT];
 
 /* RISCom/8 I/O ports addresses (without address translation) */
 static unsigned short rc_ioport[] =  {
-#if 1  
+#if 1
        0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x09, 0x0a, 0x0b, 0x0c,
-#else  
+#else
        0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x09, 0x0a, 0x0b, 0x0c, 0x10,
        0x11, 0x12, 0x18, 0x28, 0x31, 0x32, 0x39, 0x3a, 0x40, 0x41, 0x61, 0x62,
        0x63, 0x64, 0x6b, 0x70, 0x71, 0x78, 0x7a, 0x7b, 0x7f, 0x100, 0x101
-#endif 
+#endif
 };
-#define RC_NIOPORT     (sizeof(rc_ioport) / sizeof(rc_ioport[0]))
+#define RC_NIOPORT     ARRAY_SIZE(rc_ioport)
 
 
 static inline int rc_paranoia_check(struct riscom_port const * port,
@@ -354,28 +354,17 @@ static inline void rc_receive_exc(struct riscom_board const * bp)
        struct riscom_port *port;
        struct tty_struct *tty;
        unsigned char status;
-       unsigned char ch;
+       unsigned char ch, flag;
        
        if (!(port = rc_get_port(bp, "Receive")))
                return;
 
        tty = port->tty;
-       if (tty->flip.count >= TTY_FLIPBUF_SIZE)  {
-               printk(KERN_WARNING "rc%d: port %d: Working around flip "
-                                   "buffer overflow.\n",
-                      board_No(bp), port_No(port));
-               return;
-       }
        
 #ifdef RC_REPORT_OVERRUN       
        status = rc_in(bp, CD180_RCSR);
-       if (status & RCSR_OE)  {
+       if (status & RCSR_OE)
                port->overrun++;
-#if 0          
-               printk(KERN_ERR "rc%d: port %d: Overrun. Total %ld overruns\n", 
-                      board_No(bp), port_No(port), port->overrun);
-#endif         
-       }
        status &= port->mark_mask;
 #else  
        status = rc_in(bp, CD180_RCSR) & port->mark_mask;
@@ -393,25 +382,24 @@ static inline void rc_receive_exc(struct riscom_board const * bp)
        } else if (status & RCSR_BREAK)  {
                printk(KERN_INFO "rc%d: port %d: Handling break...\n",
                       board_No(bp), port_No(port));
-               *tty->flip.flag_buf_ptr++ = TTY_BREAK;
+               flag = TTY_BREAK;
                if (port->flags & ASYNC_SAK)
                        do_SAK(tty);
                
        } else if (status & RCSR_PE) 
-               *tty->flip.flag_buf_ptr++ = TTY_PARITY;
+               flag = TTY_PARITY;
        
        else if (status & RCSR_FE) 
-               *tty->flip.flag_buf_ptr++ = TTY_FRAME;
+               flag = TTY_FRAME;
        
         else if (status & RCSR_OE)
-               *tty->flip.flag_buf_ptr++ = TTY_OVERRUN;
+               flag = TTY_OVERRUN;
        
        else
-               *tty->flip.flag_buf_ptr++ = 0;
+               flag = TTY_NORMAL;
        
-       *tty->flip.char_buf_ptr++ = ch;
-       tty->flip.count++;
-       schedule_delayed_work(&tty->flip.work, 1);
+       tty_insert_flip_char(tty, ch, flag);
+       tty_flip_buffer_push(tty);
 }
 
 static inline void rc_receive(struct riscom_board const * bp)
@@ -432,17 +420,15 @@ static inline void rc_receive(struct riscom_board const * bp)
 #endif 
        
        while (count--)  {
-               if (tty->flip.count >= TTY_FLIPBUF_SIZE)  {
+               if (tty_buffer_request_room(tty, 1) == 0)  {
                        printk(KERN_WARNING "rc%d: port %d: Working around "
                                            "flip buffer overflow.\n",
                               board_No(bp), port_No(port));
                        break;
                }
-               *tty->flip.char_buf_ptr++ = rc_in(bp, CD180_RDR);
-               *tty->flip.flag_buf_ptr++ = 0;
-               tty->flip.count++;
+               tty_insert_flip_char(tty, rc_in(bp, CD180_RDR), TTY_NORMAL);
        }
-       schedule_delayed_work(&tty->flip.work, 1);
+       tty_flip_buffer_push(tty);
 }
 
 static inline void rc_transmit(struct riscom_board const * bp)
@@ -1757,10 +1743,10 @@ static int iobase;
 static int iobase1;
 static int iobase2;
 static int iobase3;
-MODULE_PARM(iobase, "i");
-MODULE_PARM(iobase1, "i");
-MODULE_PARM(iobase2, "i");
-MODULE_PARM(iobase3, "i");
+module_param(iobase, int, 0);
+module_param(iobase1, int, 0);
+module_param(iobase2, int, 0);
+module_param(iobase3, int, 0);
 
 MODULE_LICENSE("GPL");
 #endif /* MODULE */