watchdog: Use module_pci_driver

This patch converts the PCI watchdog drivers so that they use the
module_pci_driver() macro. This makes the code smaller and simpler.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Cc: Thomas Mingarelli <thomas.mingarelli@hp.com>
Cc: Marc Vertes <marc.vertes@sigfox.com>

5 files changed, 9 insertions, 88 deletions

diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 23885f2d56a0..2b763815aeec 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -861,16 +861,6 @@ static struct pci_driver hpwdt_driver = {
         .remove = __devexit_p(hpwdt_exit),
 };
 
-static void __exit hpwdt_cleanup(void)
-{
-        pci_unregister_driver(&hpwdt_driver);
-}
-
-static int __init hpwdt_init(void)
-{
-        return pci_register_driver(&hpwdt_driver);
-}
-
 MODULE_AUTHOR("Tom Mingarelli");
 MODULE_DESCRIPTION("hp watchdog driver");
 MODULE_LICENSE("GPL");
@@ -889,5 +879,4 @@ module_param(allow_kdump, int, 0);
 MODULE_PARM_DESC(allow_kdump, "Start a kernel dump after NMI occurs");
 #endif /* !CONFIG_HPWDT_NMI_DECODING */
 
-module_init(hpwdt_init);
-module_exit(hpwdt_cleanup);
+module_pci_driver(hpwdt_driver);
diff --git a/drivers/watchdog/i6300esb.c b/drivers/watchdog/i6300esb.c
index 738032a36bcf..276877d5b6a3 100644
--- a/drivers/watchdog/i6300esb.c
+++ b/drivers/watchdog/i6300esb.c
@@ -492,19 +492,7 @@ static struct pci_driver esb_driver = {
         .shutdown       = esb_shutdown,
 };
 
-static int __init watchdog_init(void)
-{
-        return pci_register_driver(&esb_driver);
-}
-
-static void __exit watchdog_cleanup(void)
-{
-        pci_unregister_driver(&esb_driver);
-        pr_info("Watchdog Module Unloaded\n");
-}
-
-module_init(watchdog_init);
-module_exit(watchdog_cleanup);
+module_pci_driver(esb_driver);
 
 MODULE_AUTHOR("Ross Biro and David Härdeman");
 MODULE_DESCRIPTION("Watchdog driver for Intel 6300ESB chipsets");
diff --git a/drivers/watchdog/pcwd_pci.c b/drivers/watchdog/pcwd_pci.c
index c891399bed6a..ee6900da8678 100644
--- a/drivers/watchdog/pcwd_pci.c
+++ b/drivers/watchdog/pcwd_pci.c
@@ -707,6 +707,7 @@ static int __devinit pcipcwd_card_init(struct pci_dev *pdev,
                 goto err_out_disable_device;
         }
 
+        spin_lock_init(&pcipcwd_private.io_lock);
         pcipcwd_private.pdev = pdev;
         pcipcwd_private.io_addr = pci_resource_start(pdev, 0);
 
@@ -814,22 +815,7 @@ static struct pci_driver pcipcwd_driver = {
         .remove         = __devexit_p(pcipcwd_card_exit),
 };
 
-static int __init pcipcwd_init_module(void)
-{
-        spin_lock_init(&pcipcwd_private.io_lock);
-
-        return pci_register_driver(&pcipcwd_driver);
-}
-
-static void __exit pcipcwd_cleanup_module(void)
-{
-        pci_unregister_driver(&pcipcwd_driver);
-
-        pr_info("Watchdog Module Unloaded\n");
-}
-
-module_init(pcipcwd_init_module);
-module_exit(pcipcwd_cleanup_module);
+module_pci_driver(pcipcwd_driver);
 
 MODULE_AUTHOR("Wim Van Sebroeck <wim@iguana.be>");
 MODULE_DESCRIPTION("Berkshire PCI-PC Watchdog driver");
diff --git a/drivers/watchdog/via_wdt.c b/drivers/watchdog/via_wdt.c
index 465e08273c97..5603e31afdab 100644
--- a/drivers/watchdog/via_wdt.c
+++ b/drivers/watchdog/via_wdt.c
@@ -202,6 +202,9 @@ static int __devinit wdt_probe(struct pci_dev *pdev,
                 goto err_out_release;
         }
 
+        if (timeout < 1 || timeout > WDT_TIMEOUT_MAX)
+                timeout = WDT_TIMEOUT;
+
         wdt_dev.timeout = timeout;
         watchdog_set_nowayout(&wdt_dev, nowayout);
         if (readl(wdt_mem) & VIA_WDT_FIRED)
@@ -250,20 +253,7 @@ static struct pci_driver wdt_driver = {
         .remove         = __devexit_p(wdt_remove),
 };
 
-static int __init wdt_init(void)
-{
-        if (timeout < 1 || timeout > WDT_TIMEOUT_MAX)
-                timeout = WDT_TIMEOUT;
-        return pci_register_driver(&wdt_driver);
-}
-
-static void __exit wdt_exit(void)
-{
-        pci_unregister_driver(&wdt_driver);
-}
-
-module_init(wdt_init);
-module_exit(wdt_exit);
+module_pci_driver(wdt_driver);
 
 MODULE_AUTHOR("Marc Vertes");
 MODULE_DESCRIPTION("Driver for watchdog timer on VIA chipset");
diff --git a/drivers/watchdog/wdt_pci.c b/drivers/watchdog/wdt_pci.c
index 1c888c7d4cce..e32654efdbb6 100644
--- a/drivers/watchdog/wdt_pci.c
+++ b/drivers/watchdog/wdt_pci.c
@@ -739,39 +739,7 @@ static struct pci_driver wdtpci_driver = {
         .remove         = __devexit_p(wdtpci_remove_one),
 };
 
-
-/**
- *      wdtpci_cleanup:
- *
- *      Unload the watchdog. You cannot do this with any file handles open.
- *      If your watchdog is set to continue ticking on close and you unload
- *      it, well it keeps ticking. We won't get the interrupt but the board
- *      will not touch PC memory so all is fine. You just have to load a new
- *      module in xx seconds or reboot.
- */
-
-static void __exit wdtpci_cleanup(void)
-{
-        pci_unregister_driver(&wdtpci_driver);
-}
-
-
-/**
- *      wdtpci_init:
- *
- *      Set up the WDT watchdog board. All we have to do is grab the
- *      resources we require and bitch if anyone beat us to them.
- *      The open() function will actually kick the board off.
- */
-
-static int __init wdtpci_init(void)
-{
-        return pci_register_driver(&wdtpci_driver);
-}
-
-
-module_init(wdtpci_init);
-module_exit(wdtpci_cleanup);
+module_pci_driver(wdtpci_driver);
 
 MODULE_AUTHOR("JP Nollmann, Alan Cox");
 MODULE_DESCRIPTION("Driver for the ICS PCI-WDT500/501 watchdog cards");