[PATCH] gpio: use module_pci_driver

[Axel Lin <axel.lin@gmail.com>]

This patch converts the drivers in drivers/gpio/* to use module_pci_driver()
macro which makes the code smaller and a bit simpler.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Michael Buesch <m@bues.ch>
Cc: Hans J. Koch <hjk@linutronix.de>
Cc: Tomoya MORINAGA tomoya.rohm@gmail.com
---
 drivers/gpio/gpio-bt8xx.c     |   12 +-----------
 drivers/gpio/gpio-ml-ioh.c    |   12 +-----------
 drivers/gpio/gpio-pch.c       |   12 +-----------
 drivers/gpio/gpio-sodaville.c |   12 +-----------
 4 files changed, 4 insertions(+), 44 deletions(-)

diff --git a/drivers/gpio/gpio-bt8xx.c b/drivers/gpio/gpio-bt8xx.c
index 5ca4098..e4cc7eb 100644
--- a/drivers/gpio/gpio-bt8xx.c
+++ b/drivers/gpio/gpio-bt8xx.c
@@ -328,17 +328,7 @@ static struct pci_driver bt8xxgpio_pci_driver = {
 	.resume		= bt8xxgpio_resume,
 };
 
-static int __init bt8xxgpio_init(void)
-{
-	return pci_register_driver(&bt8xxgpio_pci_driver);
-}
-module_init(bt8xxgpio_init)
-
-static void __exit bt8xxgpio_exit(void)
-{
-	pci_unregister_driver(&bt8xxgpio_pci_driver);
-}
-module_exit(bt8xxgpio_exit)
+module_pci_driver(bt8xxgpio_pci_driver);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Michael Buesch");
diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c
index f0febe5..db01f15 100644
--- a/drivers/gpio/gpio-ml-ioh.c
+++ b/drivers/gpio/gpio-ml-ioh.c
@@ -611,17 +611,7 @@ static struct pci_driver ioh_gpio_driver = {
 	.resume = ioh_gpio_resume
 };
 
-static int __init ioh_gpio_pci_init(void)
-{
-	return pci_register_driver(&ioh_gpio_driver);
-}
-module_init(ioh_gpio_pci_init);
-
-static void __exit ioh_gpio_pci_exit(void)
-{
-	pci_unregister_driver(&ioh_gpio_driver);
-}
-module_exit(ioh_gpio_pci_exit);
+module_pci_driver(ioh_gpio_driver);
 
 MODULE_DESCRIPTION("OKI SEMICONDUCTOR ML-IOH series GPIO Driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/gpio/gpio-pch.c b/drivers/gpio/gpio-pch.c
index e8729cc..a05fdb6 100644
--- a/drivers/gpio/gpio-pch.c
+++ b/drivers/gpio/gpio-pch.c
@@ -539,17 +539,7 @@ static struct pci_driver pch_gpio_driver = {
 	.resume = pch_gpio_resume
 };
 
-static int __init pch_gpio_pci_init(void)
-{
-	return pci_register_driver(&pch_gpio_driver);
-}
-module_init(pch_gpio_pci_init);
-
-static void __exit pch_gpio_pci_exit(void)
-{
-	pci_unregister_driver(&pch_gpio_driver);
-}
-module_exit(pch_gpio_pci_exit);
+module_pci_driver(pch_gpio_driver);
 
 MODULE_DESCRIPTION("PCH GPIO PCI Driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/gpio/gpio-sodaville.c b/drivers/gpio/gpio-sodaville.c
index 031e5d2..820209c 100644
--- a/drivers/gpio/gpio-sodaville.c
+++ b/drivers/gpio/gpio-sodaville.c
@@ -282,17 +282,7 @@ static struct pci_driver sdv_gpio_driver = {
 	.remove = sdv_gpio_remove,
 };
 
-static int __init sdv_gpio_init(void)
-{
-	return pci_register_driver(&sdv_gpio_driver);
-}
-module_init(sdv_gpio_init);
-
-static void __exit sdv_gpio_exit(void)
-{
-	pci_unregister_driver(&sdv_gpio_driver);
-}
-module_exit(sdv_gpio_exit);
+module_pci_driver(sdv_gpio_driver);
 
 MODULE_AUTHOR("Hans J. Koch <hjk@linutronix.de>");
 MODULE_DESCRIPTION("GPIO interface for Intel Sodaville SoCs");
-- 
1.7.5.4