From 62eb5b1f3bb842d4ea112a5dbae0ce94aab088c4 Mon Sep 17 00:00:00 2001 From: Paul Fulghum Date: Tue, 8 May 2007 00:31:48 -0700 Subject: [PATCH] synclink_gt use dynamic tty device registration Change synclink_gt driver to use dynamic tty device registration. Signed-off-by: Paul Fulghum Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/char/synclink_gt.c | 34 ++++++++++++++++++---------------- 1 file changed, 18 insertions(+), 16 deletions(-) diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c index 0a367cd4121f..2a7736b5f2f7 100644 --- a/drivers/char/synclink_gt.c +++ b/drivers/char/synclink_gt.c @@ -3415,6 +3415,9 @@ static void device_init(int adapter_num, struct pci_dev *pdev) } } } + + for (i=0; i < port_count; ++i) + tty_register_device(serial_driver, port_array[i]->line, &(port_array[i]->pdev->dev)); } static int __devinit init_one(struct pci_dev *dev, @@ -3466,6 +3469,8 @@ static void slgt_cleanup(void) printk("unload %s %s\n", driver_name, driver_version); if (serial_driver) { + for (info=slgt_device_list ; info != NULL ; info=info->next_device) + tty_unregister_device(serial_driver, info->line); if ((rc = tty_unregister_driver(serial_driver))) DBGERR(("tty_unregister_driver error=%d\n", rc)); put_tty_driver(serial_driver); @@ -3506,23 +3511,10 @@ static int __init slgt_init(void) printk("%s %s\n", driver_name, driver_version); - slgt_device_count = 0; - if ((rc = pci_register_driver(&pci_driver)) < 0) { - printk("%s pci_register_driver error=%d\n", driver_name, rc); - return rc; - } - pci_registered = 1; - - if (!slgt_device_list) { - printk("%s no devices found\n",driver_name); - pci_unregister_driver(&pci_driver); - return -ENODEV; - } - serial_driver = alloc_tty_driver(MAX_DEVICES); if (!serial_driver) { - rc = -ENOMEM; - goto error; + printk("%s can't allocate tty driver\n", driver_name); + return -ENOMEM; } /* Initialize the tty_driver structure */ @@ -3539,7 +3531,7 @@ static int __init slgt_init(void) B9600 | CS8 | CREAD | HUPCL | CLOCAL; serial_driver->init_termios.c_ispeed = 9600; serial_driver->init_termios.c_ospeed = 9600; - serial_driver->flags = TTY_DRIVER_REAL_RAW; + serial_driver->flags = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV; tty_set_operations(serial_driver, &ops); if ((rc = tty_register_driver(serial_driver)) < 0) { DBGERR(("%s can't register serial driver\n", driver_name)); @@ -3552,6 +3544,16 @@ static int __init slgt_init(void) driver_name, driver_version, serial_driver->major); + slgt_device_count = 0; + if ((rc = pci_register_driver(&pci_driver)) < 0) { + printk("%s pci_register_driver error=%d\n", driver_name, rc); + goto error; + } + pci_registered = 1; + + if (!slgt_device_list) + printk("%s no devices found\n",driver_name); + return 0; error: