[PATCH] USB: allow multiple types of EHCI controllers to be built as modules

In some systems we may have both a platform EHCI controller and PCI EHCI
controller.  Previously we couldn't build the EHCI support as a module due
to conflicting module_init() calls in the code.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 2 insertions, 15 deletions

diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c
index 63eadeec1324..0e444ab1930d 100644
--- a/drivers/usb/host/ehci-au1xxx.c
+++ b/drivers/usb/host/ehci-au1xxx.c
@@ -272,6 +272,8 @@ static int ehci_hcd_au1xxx_drv_resume(struct device *dev)
         return 0;
 }
 */
+MODULE_ALIAS("au1xxx-ehci");
+/* FIXME use "struct platform_driver" */
 static struct device_driver ehci_hcd_au1xxx_driver = {
         .name = "au1xxx-ehci",
         .bus = &platform_bus_type,
@@ -280,18 +282,3 @@ static struct device_driver ehci_hcd_au1xxx_driver = {
         /*.suspend      = ehci_hcd_au1xxx_drv_suspend, */
         /*.resume       = ehci_hcd_au1xxx_drv_resume, */
 };
-
-static int __init ehci_hcd_au1xxx_init(void)
-{
-        pr_debug(DRIVER_INFO " (Au1xxx)\n");
-
-        return driver_register(&ehci_hcd_au1xxx_driver);
-}
-
-static void __exit ehci_hcd_au1xxx_cleanup(void)
-{
-        driver_unregister(&ehci_hcd_au1xxx_driver);
-}
-
-module_init(ehci_hcd_au1xxx_init);
-module_exit(ehci_hcd_au1xxx_cleanup);