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>

1 files changed, 2 insertions, 16 deletions

diff --git a/drivers/watchdog/pcwd_pci.c b/drivers/watchdog/pcwd_pci.c
index c891399..ee6900d 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");