diff options
| author | Jiri Slaby <jirislaby@gmail.com> | 2007-05-08 00:36:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-05-08 11:15:24 -0700 |
| commit | 6ad1ccc196f76833f41b187e01a28a024fe11f8b (patch) | |
| tree | b4089748a6d5305fc6338b5adbe83dbb4766ec25 /drivers/char/cyclades.c | |
| parent | 9dacf3b2f0cc657a5621e7f6d67ed27ce598f405 (diff) | |
Char: cyclades, tty_register_device separately for each device
Do not register all tty devices at the init time, delay it for the time until
some device is found.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/cyclades.c')
| -rw-r--r-- | drivers/char/cyclades.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c index 970d99a69a2..4434c134722 100644 --- a/drivers/char/cyclades.c +++ b/drivers/char/cyclades.c @@ -4841,6 +4841,9 @@ static int __init cy_detect_isa(void) cy_isa_irq); printk("%d channels starting from port %d.\n", cy_isa_nchan, cy_next_channel); + for (j = cy_next_channel; + j < cy_next_channel + cy_isa_nchan; j++) + tty_register_device(cy_serial_driver, j, NULL); cy_next_channel += cy_isa_nchan; } return nboard; @@ -4948,6 +4951,8 @@ static int __devinit cy_init_Ze(unsigned long cy_pci_phys0, printk("%d channels starting from port %d.\n", cy_pci_nchan, cy_next_channel); + for (j = cy_next_channel; j < cy_next_channel + cy_pci_nchan; j++) + tty_register_device(cy_serial_driver, j, &pdev->dev); cy_next_channel += cy_pci_nchan; return 0; @@ -5115,6 +5120,9 @@ static int __devinit cy_pci_probe(struct pci_dev *pdev, (int)cy_pci_irq); printk("%d channels starting from port %d.\n", cy_pci_nchan, cy_next_channel); + for (j = cy_next_channel; + j < cy_next_channel + cy_pci_nchan; j++) + tty_register_device(cy_serial_driver, j, &pdev->dev); cy_next_channel += cy_pci_nchan; } else if (device_id == PCI_DEVICE_ID_CYCLOM_Z_Lo) { @@ -5282,6 +5290,9 @@ static int __devinit cy_pci_probe(struct pci_dev *pdev, printk("%d channels starting from port %d.\n", cy_pci_nchan, cy_next_channel); + for (j = cy_next_channel; + j < cy_next_channel + cy_pci_nchan; j++) + tty_register_device(cy_serial_driver, j, &pdev->dev); cy_next_channel += cy_pci_nchan; } @@ -5346,6 +5357,9 @@ static void __devexit cy_pci_release(struct pci_dev *pdev) cy_port[i].line = -1; cy_port[i].magic = -1; } + for (i = cinfo->first_line; i < cinfo->first_line + + cinfo->nports; i++) + tty_unregister_device(cy_serial_driver, i); #endif } @@ -5479,7 +5493,7 @@ static int __init cy_init(void) cy_serial_driver->init_termios = tty_std_termios; cy_serial_driver->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL; - cy_serial_driver->flags = TTY_DRIVER_REAL_RAW; + cy_serial_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; tty_set_operations(cy_serial_driver, &cy_ops); retval = tty_register_driver(cy_serial_driver); @@ -5555,6 +5569,10 @@ static void __exit cy_cleanup_module(void) #endif /* CONFIG_CYZ_INTR */ ) free_irq(cy_card[i].irq, &cy_card[i]); + for (e1 = cy_card[i].first_line; + e1 < cy_card[i].first_line + + cy_card[i].nports; e1++) + tty_unregister_device(cy_serial_driver, e1); } } } /* cy_cleanup_module */ |