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[WATCHDOG] i8xx_tco remove pci_find_device.

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Use refcounting for pci device obtaining.
Use PCI_DEVICE macro.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Cc: Andrew Morton <akpm@osdl.org>
This commit is contained in:
Jiri Slaby 2006-07-19 02:18:23 +01:59 committed by Wim Van Sebroeck
parent 02be2ee9e0
commit 92dd9994c3
1 changed files with 19 additions and 14 deletions
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33
drivers/char/watchdog/i8xx_tco.c
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@ -406,18 +406,18 @@ static struct notifier_block i8xx_tco_notifier = {
* want to register another driver on the same PCI id.
*/
static struct pci_device_id i8xx_tco_pci_tbl[] = {
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_0, PCI_ANY_ID, PCI_ANY_ID, },
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_0, PCI_ANY_ID, PCI_ANY_ID, },
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_0, PCI_ANY_ID, PCI_ANY_ID, },
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_10, PCI_ANY_ID, PCI_ANY_ID, },
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_0, PCI_ANY_ID, PCI_ANY_ID, },
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12, PCI_ANY_ID, PCI_ANY_ID, },
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_0, PCI_ANY_ID, PCI_ANY_ID, },
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12, PCI_ANY_ID, PCI_ANY_ID, },
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801E_0, PCI_ANY_ID, PCI_ANY_ID, },
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0, PCI_ANY_ID, PCI_ANY_ID, },
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_1, PCI_ANY_ID, PCI_ANY_ID, },
{ 0, }, /* End of list */
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AA_0) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801AB_0) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_0) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801BA_10) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_0) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801CA_12) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_0) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801DB_12) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801E_0) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82801EB_0) },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_1) },
{ }, /* End of list */
};
MODULE_DEVICE_TABLE (pci, i8xx_tco_pci_tbl);
@ -434,12 +434,11 @@ static unsigned char __init i8xx_tco_getdevice (void)
* Find the PCI device
*/
while ((dev = pci_find_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
for_each_pci_dev(dev)
if (pci_match_id(i8xx_tco_pci_tbl, dev)) {
i8xx_tco_pci = dev;
break;
}
}
if (i8xx_tco_pci) {
/*
@ -454,6 +453,7 @@ static unsigned char __init i8xx_tco_getdevice (void)
/* Something's wrong here, ACPIBASE has to be set */
if (badr == 0x0001 || badr == 0x0000) {
printk (KERN_ERR PFX "failed to get TCOBASE address\n");
pci_dev_put(i8xx_tco_pci);
return 0;
}
@ -465,6 +465,7 @@ static unsigned char __init i8xx_tco_getdevice (void)
pci_read_config_byte (i8xx_tco_pci, 0xd4, &val1);
if (val1 & 0x02) {
printk (KERN_ERR PFX "failed to reset NO_REBOOT flag, reboot disabled by hardware\n");
pci_dev_put(i8xx_tco_pci);
return 0; /* Cannot reset NO_REBOOT bit */
}
}
@ -476,6 +477,7 @@ static unsigned char __init i8xx_tco_getdevice (void)
if (!request_region (SMI_EN + 1, 1, "i8xx TCO")) {
printk (KERN_ERR PFX "I/O address 0x%04x already in use\n",
SMI_EN + 1);
pci_dev_put(i8xx_tco_pci);
return 0;
}
val1 = inb (SMI_EN + 1);
@ -542,6 +544,7 @@ unreg_notifier:
unreg_region:
release_region (TCOBASE, 0x10);
out:
pci_dev_put(i8xx_tco_pci);
return ret;
}
@ -555,6 +558,8 @@ static void __exit watchdog_cleanup (void)
misc_deregister (&i8xx_tco_miscdev);
unregister_reboot_notifier(&i8xx_tco_notifier);
release_region (TCOBASE, 0x10);
pci_dev_put(i8xx_tco_pci);
}
module_init(watchdog_init);