aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/char/watchdog/alim7101_wdt.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/watchdog/alim7101_wdt.c')
-rw-r--r--drivers/char/watchdog/alim7101_wdt.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/char/watchdog/alim7101_wdt.c b/drivers/char/watchdog/alim7101_wdt.c
index ffd7684f999b3..5948863b592b7 100644
--- a/drivers/char/watchdog/alim7101_wdt.c
+++ b/drivers/char/watchdog/alim7101_wdt.c
@@ -277,7 +277,7 @@ static int fop_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
case WDIOC_GETTIMEOUT:
return put_user(timeout, p);
default:
- return -ENOIOCTLCMD;
+ return -ENOTTY;
}
}
@@ -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;
}