diff options
| -rw-r--r-- | drivers/char/moxa.c | 64 |
1 files changed, 46 insertions, 18 deletions
diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c index 8849d662295e..9b7067b6ab73 100644 --- a/drivers/char/moxa.c +++ b/drivers/char/moxa.c @@ -275,10 +275,35 @@ static DEFINE_TIMER(moxaTimer, moxa_poll, 0, 0); static DEFINE_SPINLOCK(moxa_lock); #ifdef CONFIG_PCI -static int moxa_get_PCI_conf(struct pci_dev *p, int board_type, - struct moxa_board_conf *board) +static int __devinit moxa_pci_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) { - board->baseAddr = pci_resource_start (p, 2); + struct moxa_board_conf *board; + unsigned int i; + int board_type = ent->driver_data; + int retval; + + retval = pci_enable_device(pdev); + if (retval) + goto err; + + for (i = 0; i < MAX_BOARDS; i++) + if (moxa_boards[i].basemem == NULL) + break; + + retval = -ENODEV; + if (i >= MAX_BOARDS) { + if (verbose) + printk("More than %d MOXA Intellio family boards " + "found. Board is ignored.\n", MAX_BOARDS); + goto err; + } + + board = &moxa_boards[i]; + board->basemem = pci_iomap(pdev, 2, 0x4000); + if (board->basemem == NULL) + goto err; + board->boardType = board_type; switch (board_type) { case MOXA_BOARD_C218_ISA: @@ -295,9 +320,21 @@ static int moxa_get_PCI_conf(struct pci_dev *p, int board_type, } board->busType = MOXA_BUS_TYPE_PCI; /* don't lose the reference in the next pci_get_device iteration */ - board->pdev = pci_dev_get(p); + board->pdev = pci_dev_get(pdev); + pci_set_drvdata(pdev, board); return (0); +err: + return retval; +} + +static void __devexit moxa_pci_remove(struct pci_dev *pdev) +{ + struct moxa_board_conf *brd = pci_get_drvdata(pdev); + + pci_iounmap(pdev, brd->basemem); + brd->basemem = NULL; + pci_dev_put(pdev); } #endif /* CONFIG_PCI */ @@ -401,18 +438,7 @@ static int __init moxa_init(void) i = 0; while (i < n) { while ((p = pci_get_device(moxa_pcibrds[i].vendor, moxa_pcibrds[i].device, p))!=NULL) - { - if (pci_enable_device(p)) - continue; - if (numBoards >= MAX_BOARDS) { - if (verbose) - printk("More than %d MOXA Intellio family boards found. Board is ignored.", MAX_BOARDS); - } else { - moxa_get_PCI_conf(p, moxa_pcibrds[i].driver_data, - &moxa_boards[numBoards]); - numBoards++; - } - } + moxa_pci_probe(p, &moxa_pcibrds[i]); i++; } } @@ -442,10 +468,12 @@ static void __exit moxa_exit(void) put_tty_driver(moxaDriver); for (i = 0; i < MAX_BOARDS; i++) { +#ifdef CONFIG_PCI + if (moxa_boards[i].busType == MOXA_BUS_TYPE_PCI) + moxa_pci_remove(moxa_boards[i].pdev); +#endif if (moxa_boards[i].basemem) iounmap(moxa_boards[i].basemem); - if (moxa_boards[i].busType == MOXA_BUS_TYPE_PCI) - pci_dev_put(moxa_boards[i].pdev); } if (verbose) |