spi: use module_pci_driver

This patch converts the drivers in drivers/spi/* to use module_pci_driver()
macro which makes the code smaller and a bit simpler.
Signed-off-by: NAxel Lin <axel.lin@gmail.com>
Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>

drivers/spi/spi-dw-pci.c

@@ -164,18 +164,7 @@ static struct pci_driver dw_spi_driver = {
 	.resume	=	spi_resume,
 };
 
-static int __init mrst_spi_init(void)
-{
-	return pci_register_driver(&dw_spi_driver);
-}
-
-static void __exit mrst_spi_exit(void)
-{
-	pci_unregister_driver(&dw_spi_driver);
-}
-
-module_init(mrst_spi_init);
-module_exit(mrst_spi_exit);
+module_pci_driver(dw_spi_driver);
 
 MODULE_AUTHOR("Feng Tang <feng.tang@intel.com>");
 MODULE_DESCRIPTION("PCI interface driver for DW SPI Core");

drivers/spi/spi-pxa2xx-pci.c

@@ -164,17 +164,7 @@ static struct pci_driver ce4100_spi_driver = {
 	.remove         = __devexit_p(ce4100_spi_remove),
 };
 
-static int __init ce4100_spi_init(void)
-{
-	return pci_register_driver(&ce4100_spi_driver);
-}
-module_init(ce4100_spi_init);
-
-static void __exit ce4100_spi_exit(void)
-{
-	pci_unregister_driver(&ce4100_spi_driver);
-}
-module_exit(ce4100_spi_exit);
+module_pci_driver(ce4100_spi_driver);
 
 MODULE_DESCRIPTION("CE4100 PCI-SPI glue code for PXA's driver");
 MODULE_LICENSE("GPL v2");