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[PATCH] Char: moxa, pci_probing prepare

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- change pci conf prototype and rename it to moxa_pci_probe
- move some code to moxa_pci_probe
- create moxa_pci_remove

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>
This commit is contained in:
Jiri Slaby 2007-02-10 01:45:35 -08:00 committed by Linus Torvalds
parent 181d6f4fac
commit 9cde5bf027
1 changed files with 46 additions and 18 deletions
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64
drivers/char/moxa.c
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@ -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)