Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband
[powerpc.git] / drivers / char / istallion.c
index 24435f8..ef20c1f 100644 (file)
@@ -181,7 +181,6 @@ static struct tty_driver    *stli_serial;
  *     is already swapping a shared buffer won't make things any worse.
  */
 static char                    *stli_tmpwritebuf;
-static DECLARE_MUTEX(stli_tmpwritesem);
 
 #define        STLI_TXBUFSIZE          4096
 
@@ -379,13 +378,13 @@ MODULE_DESCRIPTION("Stallion Intelligent Multiport Serial Driver");
 MODULE_LICENSE("GPL");
 
 
-MODULE_PARM(board0, "1-3s");
+module_param_array(board0, charp, NULL, 0);
 MODULE_PARM_DESC(board0, "Board 0 config -> name[,ioaddr[,memaddr]");
-MODULE_PARM(board1, "1-3s");
+module_param_array(board1, charp, NULL, 0);
 MODULE_PARM_DESC(board1, "Board 1 config -> name[,ioaddr[,memaddr]");
-MODULE_PARM(board2, "1-3s");
+module_param_array(board2, charp, NULL, 0);
 MODULE_PARM_DESC(board2, "Board 2 config -> name[,ioaddr[,memaddr]");
-MODULE_PARM(board3, "1-3s");
+module_param_array(board3, charp, NULL, 0);
 MODULE_PARM_DESC(board3, "Board 3 config -> name[,ioaddr[,memaddr]");
 
 #endif
@@ -707,7 +706,6 @@ static int  stli_portcmdstats(stliport_t *portp);
 static int     stli_clrportstats(stliport_t *portp, comstats_t __user *cp);
 static int     stli_getportstruct(stliport_t __user *arg);
 static int     stli_getbrdstruct(stlibrd_t __user *arg);
-static void    *stli_memalloc(int len);
 static stlibrd_t *stli_allocbrd(void);
 
 static void    stli_ecpinit(stlibrd_t *brdp);
@@ -998,17 +996,6 @@ static int stli_parsebrd(stlconf_t *confp, char **argp)
 
 /*****************************************************************************/
 
-/*
- *     Local driver kernel malloc routine.
- */
-
-static void *stli_memalloc(int len)
-{
-       return((void *) kmalloc(len, GFP_KERNEL));
-}
-
-/*****************************************************************************/
-
 static int stli_open(struct tty_struct *tty, struct file *filp)
 {
        stlibrd_t       *brdp;
@@ -2711,17 +2698,13 @@ static void stli_read(stlibrd_t *brdp, stliport_t *portp)
                stlen = size - tail;
        }
 
-       len = MIN(len, (TTY_FLIPBUF_SIZE - tty->flip.count));
+       len = tty_buffer_request_room(tty, len);
+       /* FIXME : iomap ? */
        shbuf = (volatile char *) EBRDGETMEMPTR(brdp, portp->rxoffset);
 
        while (len > 0) {
                stlen = MIN(len, stlen);
-               memcpy(tty->flip.char_buf_ptr, (char *) (shbuf + tail), stlen);
-               memset(tty->flip.flag_buf_ptr, 0, stlen);
-               tty->flip.char_buf_ptr += stlen;
-               tty->flip.flag_buf_ptr += stlen;
-               tty->flip.count += stlen;
-
+               tty_insert_flip_string(tty, (char *)(shbuf + tail), stlen);
                len -= stlen;
                tail += stlen;
                if (tail >= size) {
@@ -2906,16 +2889,12 @@ static int stli_hostcmd(stlibrd_t *brdp, stliport_t *portp)
 
                if ((nt.data & DT_RXBREAK) && (portp->rxmarkmsk & BRKINT)) {
                        if (tty != (struct tty_struct *) NULL) {
-                               if (tty->flip.count < TTY_FLIPBUF_SIZE) {
-                                       tty->flip.count++;
-                                       *tty->flip.flag_buf_ptr++ = TTY_BREAK;
-                                       *tty->flip.char_buf_ptr++ = 0;
-                                       if (portp->flags & ASYNC_SAK) {
-                                               do_SAK(tty);
-                                               EBRDENABLE(brdp);
-                                       }
-                                       tty_schedule_flip(tty);
+                               tty_insert_flip_char(tty, 0, TTY_BREAK);
+                               if (portp->flags & ASYNC_SAK) {
+                                       do_SAK(tty);
+                                       EBRDENABLE(brdp);
                                }
+                               tty_schedule_flip(tty);
                        }
                }
 
@@ -3236,13 +3215,12 @@ static int stli_initports(stlibrd_t *brdp)
 #endif
 
        for (i = 0, panelnr = 0, panelport = 0; (i < brdp->nrports); i++) {
-               portp = (stliport_t *) stli_memalloc(sizeof(stliport_t));
-               if (portp == (stliport_t *) NULL) {
+               portp = kzalloc(sizeof(stliport_t), GFP_KERNEL);
+               if (!portp) {
                        printk("STALLION: failed to allocate port structure\n");
                        continue;
                }
 
-               memset(portp, 0, sizeof(stliport_t));
                portp->magic = STLI_PORTMAGIC;
                portp->portnr = i;
                portp->brdnr = brdp->brdnr;
@@ -4619,14 +4597,13 @@ static stlibrd_t *stli_allocbrd(void)
 {
        stlibrd_t       *brdp;
 
-       brdp = (stlibrd_t *) stli_memalloc(sizeof(stlibrd_t));
-       if (brdp == (stlibrd_t *) NULL) {
+       brdp = kzalloc(sizeof(stlibrd_t), GFP_KERNEL);
+       if (!brdp) {
                printk(KERN_ERR "STALLION: failed to allocate memory "
                                "(size=%d)\n", sizeof(stlibrd_t));
-               return((stlibrd_t *) NULL);
+               return NULL;
        }
 
-       memset(brdp, 0, sizeof(stlibrd_t));
        brdp->magic = STLI_BOARDMAGIC;
        return(brdp);
 }
@@ -4940,7 +4917,7 @@ static int stli_portcmdstats(stliport_t *portp)
        if (portp->tty != (struct tty_struct *) NULL) {
                if (portp->tty->driver_data == portp) {
                        stli_comstats.ttystate = portp->tty->flags;
-                       stli_comstats.rxbuffered = portp->tty->flip.count;
+                       stli_comstats.rxbuffered = -1 /*portp->tty->flip.count*/;
                        if (portp->tty->termios != (struct termios *) NULL) {
                                stli_comstats.cflags = portp->tty->termios->c_cflag;
                                stli_comstats.iflags = portp->tty->termios->c_iflag;
@@ -5219,12 +5196,12 @@ int __init stli_init(void)
 /*
  *     Allocate a temporary write buffer.
  */
-       stli_tmpwritebuf = (char *) stli_memalloc(STLI_TXBUFSIZE);
-       if (stli_tmpwritebuf == (char *) NULL)
+       stli_tmpwritebuf = kmalloc(STLI_TXBUFSIZE, GFP_KERNEL);
+       if (!stli_tmpwritebuf)
                printk(KERN_ERR "STALLION: failed to allocate memory "
                                "(size=%d)\n", STLI_TXBUFSIZE);
-       stli_txcookbuf = stli_memalloc(STLI_TXBUFSIZE);
-       if (stli_txcookbuf == (char *) NULL)
+       stli_txcookbuf = kmalloc(STLI_TXBUFSIZE, GFP_KERNEL);
+       if (!stli_txcookbuf)
                printk(KERN_ERR "STALLION: failed to allocate memory "
                                "(size=%d)\n", STLI_TXBUFSIZE);