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Message-id: <Watchdog.alim.remove.pci_find_device@ink.os>
Date: Sat, 29 Jul 2006 15:50:16 -0400
From: Jiri Slaby <jirislaby@...il.com>
To: Andrew Morton <akpm@...l.org>
Cc: Greg KH <greg@...ah.com>
Subject: [PATCH -repost] Watchdog: alim remove pci_find_device
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@...il.com>
---
commit 001c77888611f9f4d7cb8db8ba002364f69b1c3f
tree 02532fced9500ec5cd7cbf0238ff9b267adab046
parent fd2ffd531f4fefc2235a4c27614abda74078ef94
author Jiri Slaby <ku@...lona.localdomain> Tue, 18 Jul 2006 18:29:00 +0159
committer Jiri Slaby <ku@...lona.localdomain> Tue, 18 Jul 2006 18:29:00 +0159
drivers/char/watchdog/alim1535_wdt.c | 10 +++++++---
drivers/char/watchdog/alim7101_wdt.c | 15 ++++++++++-----
2 files changed, 17 insertions(+), 8 deletions(-)
diff --git a/drivers/char/watchdog/alim1535_wdt.c b/drivers/char/watchdog/alim1535_wdt.c
index c5c94e4..0b2c8e8 100644
--- a/drivers/char/watchdog/alim1535_wdt.c
+++ b/drivers/char/watchdog/alim1535_wdt.c
@@ -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);
diff --git a/drivers/char/watchdog/alim7101_wdt.c b/drivers/char/watchdog/alim7101_wdt.c
index ffd7684..383f9bf 100644
--- a/drivers/char/watchdog/alim7101_wdt.c
+++ b/drivers/char/watchdog/alim7101_wdt.c
@@ -333,6 +333,7 @@ static void __exit alim7101_wdt_unload(v
/* 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@...aho.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;
}
-
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