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[WATCHDOG] alim remove pci_find_device 

Convert pci_find_device to pci_get_device + pci_dev_put
in alim watchdog cards' drivers (refcounting).

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Andrew Morton <akpm@osdl.org>
This commit is contained in:
Jiri Slaby 2006-07-18 18:29:00 +01:59 committed by Wim Van Sebroeck
parent 95f3eff699
commit 02be2ee9e0
2 changed files with 17 additions and 8 deletions
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10
drivers/char/watchdog/alim1535_wdt.c
View File

@ -330,17 +330,20 @@ static int __init ali_find_watchdog(void)
u32 wdog;
/* Check for a 1535 series bridge */
pdev = pci_find_device(PCI_VENDOR_ID_AL, 0x1535, NULL);
pdev = pci_get_device(PCI_VENDOR_ID_AL, 0x1535, NULL);
if(pdev == NULL)
return -ENODEV;
pci_dev_put(pdev);
/* Check for the a 7101 PMU */
pdev = pci_find_device(PCI_VENDOR_ID_AL, 0x7101, NULL);
pdev = pci_get_device(PCI_VENDOR_ID_AL, 0x7101, NULL);
if(pdev == NULL)
return -ENODEV;
if(pci_enable_device(pdev))
if(pci_enable_device(pdev)) {
pci_dev_put(pdev);
return -EIO;
}
ali_pci = pdev;
@ -447,6 +450,7 @@ static void __exit watchdog_exit(void)
/* Deregister */
unregister_reboot_notifier(&ali_notifier);
misc_deregister(&ali_miscdev);
pci_dev_put(ali_pci);
}
module_init(watchdog_init);

15
drivers/char/watchdog/alim7101_wdt.c
View File

@ -333,6 +333,7 @@ static void __exit alim7101_wdt_unload(void)
/* Deregister */
misc_deregister(&wdt_miscdev);
unregister_reboot_notifier(&wdt_notifier);
pci_dev_put(alim7101_pmu);
}
static int __init alim7101_wdt_init(void)
@ -342,7 +343,8 @@ static int __init alim7101_wdt_init(void)
char tmp;
printk(KERN_INFO PFX "Steve Hill <steve@navaho.co.uk>.\n");
alim7101_pmu = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101,NULL);
alim7101_pmu = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101,
NULL);
if (!alim7101_pmu) {
printk(KERN_INFO PFX "ALi M7101 PMU not present - WDT not set\n");
return -EBUSY;
@ -351,21 +353,23 @@ static int __init alim7101_wdt_init(void)
/* Set the WDT in the PMU to 1 second */
pci_write_config_byte(alim7101_pmu, ALI_7101_WDT, 0x02);
ali1543_south = pci_find_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, NULL);
ali1543_south = pci_get_device(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533,
NULL);
if (!ali1543_south) {
printk(KERN_INFO PFX "ALi 1543 South-Bridge not present - WDT not set\n");
return -EBUSY;
goto err_out;
}
pci_read_config_byte(ali1543_south, 0x5e, &tmp);
pci_dev_put(ali1543_south);
if ((tmp & 0x1e) == 0x00) {
if (!use_gpio) {
printk(KERN_INFO PFX "Detected old alim7101 revision 'a1d'. If this is a cobalt board, set the 'use_gpio' module parameter.\n");
return -EBUSY;
goto err_out;
}
nowayout = 1;
} else if ((tmp & 0x1e) != 0x12 && (tmp & 0x1e) != 0x00) {
printk(KERN_INFO PFX "ALi 1543 South-Bridge does not have the correct revision number (???1001?) - WDT not set\n");
return -EBUSY;
goto err_out;
}
if(timeout < 1 || timeout > 3600) /* arbitrary upper limit */
@ -404,6 +408,7 @@ static int __init alim7101_wdt_init(void)
err_out_miscdev:
misc_deregister(&wdt_miscdev);
err_out:
pci_dev_put(alim7101_pmu);
return rc;
}