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Char: cyclades, switch to pci probing 

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>
hifive-unleashed-5.1
Jiri Slaby 2007-05-08 00:36:34 -07:00 committed by Linus Torvalds
parent c2ad4c7515
commit 6747cd93f3
1 changed files with 17 additions and 48 deletions
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65
drivers/char/cyclades.c
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@ -5297,46 +5297,9 @@ static int __devinit cy_pci_probe(struct pci_dev *pdev,
return 0;
}
#endif
/*
* ---------------------------------------------------------------------
* cy_detect_pci() - Test PCI bus presence and Cyclom-Ye/PCI.
* sets global variables and return the number of PCI boards found.
* ---------------------------------------------------------------------
*/
static int __init cy_detect_pci(void)
static void __devexit cy_pci_remove(struct pci_dev *pdev)
{
#ifdef CONFIG_PCI
struct pci_dev *pdev = NULL;
unsigned int i, device_id, dev_index = 0;
for (i = 0; i < NR_CARDS; i++) {
/* look for a Cyclades card by vendor and device id */
while ((device_id = cy_pci_dev_id[dev_index].device) != 0) {
if ((pdev = pci_get_device(PCI_VENDOR_ID_CYCLADES,
device_id, pdev)) == NULL) {
dev_index++; /* try next device id */
} else {
break; /* found a board */
}
}
if (device_id == 0)
break;
i -= !!cy_pci_probe(pdev, &cy_pci_dev_id[dev_index]);
}
return i;
#else
return 0;
#endif /* ifdef CONFIG_PCI */
} /* cy_detect_pci */
static void __devexit cy_pci_release(struct pci_dev *pdev)
{
#ifdef CONFIG_PCI
struct cyclades_card *cinfo = pci_get_drvdata(pdev);
unsigned int i;
@ -5370,9 +5333,16 @@ static void __devexit cy_pci_release(struct pci_dev *pdev)
for (i = cinfo->first_line; i < cinfo->first_line +
cinfo->nports; i++)
tty_unregister_device(cy_serial_driver, i);
#endif
}
static struct pci_driver cy_pci_driver = {
.name = "cyclades",
.id_table = cy_pci_dev_id,
.probe = cy_pci_probe,
.remove = __devexit_p(cy_pci_remove)
};
#endif
/*
* This routine prints out the appropriate serial driver version number
* and identifies which options were configured into this driver.
@ -5533,13 +5503,12 @@ static int __init cy_init(void)
/* look for isa boards */
nboards = cy_detect_isa();
#ifdef CONFIG_PCI
/* look for pci boards */
nboards += cy_detect_pci();
if (nboards == 0) {
retval = -ENODEV;
retval = pci_register_driver(&cy_pci_driver);
if (retval && !nboards)
goto err_unr;
}
#endif
return 0;
err_unr:
@ -5564,12 +5533,12 @@ static void __exit cy_cleanup_module(void)
put_tty_driver(cy_serial_driver);
#ifdef CONFIG_PCI
pci_unregister_driver(&cy_pci_driver);
#endif
for (i = 0; i < NR_CARDS; i++) {
if (cy_card[i].base_addr) {
if (cy_card[i].pdev) {
cy_pci_release(cy_card[i].pdev);
continue;
}
/* clear interrupt */
cy_writeb(cy_card[i].base_addr + Cy_ClrIntr, 0);
iounmap(cy_card[i].base_addr);