[PATCH] Char: istallion, dynamic tty device

register tty device dynamically according to the count of board ports.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 14 insertions, 1 deletions

diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index a1755186f7b4..f1752c81993b 100644
--- a/drivers/char/istallion.c
+++ b/drivers/char/istallion.c
@@ -3846,6 +3846,10 @@ static int stli_findeisabrds(void)
 
                 stli_brds[brdp->brdnr] = brdp;
                 found++;
+
+                for (i = 0; i < brdp->nrports; i++)
+                        tty_register_device(stli_serial,
+                                        brdp->brdnr * STL_MAXPORTS + i, NULL);
         }
 
         return found;
@@ -3872,6 +3876,7 @@ static int __devinit stli_pciprobe(struct pci_dev *pdev,
                 const struct pci_device_id *ent)
 {
         struct stlibrd *brdp;
+        unsigned int i;
         int brdnr, retval = -EIO;
 
         retval = pci_enable_device(pdev);
@@ -3912,6 +3917,10 @@ static int __devinit stli_pciprobe(struct pci_dev *pdev,
         brdp->enable = NULL;
         brdp->disable = NULL;
 
+        for (i = 0; i < brdp->nrports; i++)
+                tty_register_device(stli_serial, brdp->brdnr * STL_MAXPORTS + i,
+                                &pdev->dev);
+
         return 0;
 err_null:
         stli_brds[brdp->brdnr] = NULL;
@@ -3992,6 +4001,10 @@ static int stli_initbrds(void)
                 }
                 stli_brds[brdp->brdnr] = brdp;
                 found++;
+
+                for (i = 0; i < brdp->nrports; i++)
+                        tty_register_device(stli_serial,
+                                        brdp->brdnr * STL_MAXPORTS + i, NULL);
         }
 
         retval = stli_findeisabrds();
@@ -4596,7 +4609,7 @@ static int __init istallion_module_init(void)
         stli_serial->type = TTY_DRIVER_TYPE_SERIAL;
         stli_serial->subtype = SERIAL_TYPE_NORMAL;
         stli_serial->init_termios = stli_deftermios;
-        stli_serial->flags = TTY_DRIVER_REAL_RAW;
+        stli_serial->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
         tty_set_operations(stli_serial, &stli_ops);
 
         retval = tty_register_driver(stli_serial);