[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>

diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c
index a1755186f7b45d2a3f0b1de53ac7b1e56c917544..f1752c81993bac2037d9102ecef066bcfcf0ae77 100644 (file)
--- 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);