[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, 3 insertions, 34 deletions

diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index f985f121a245..a49a689bf423 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -324,43 +324,12 @@ static int ehci_fsl_drv_remove(struct platform_device *pdev)
         return 0;
 }
 
-static struct platform_driver ehci_fsl_dr_driver = {
-        .probe = ehci_fsl_drv_probe,
-        .remove = ehci_fsl_drv_remove,
-        .driver = {
-                   .name = "fsl-usb2-dr",
-                   },
-};
+MODULE_ALIAS("fsl-ehci");
 
-static struct platform_driver ehci_fsl_mph_driver = {
+static struct platform_driver ehci_fsl_driver = {
         .probe = ehci_fsl_drv_probe,
         .remove = ehci_fsl_drv_remove,
         .driver = {
-                   .name = "fsl-usb2-mph",
+                   .name = "fsl-ehci",
                    },
 };
-
-static int __init ehci_fsl_init(void)
-{
-        int retval;
-
-        pr_debug("%s: block sizes: qh %Zd qtd %Zd itd %Zd sitd %Zd\n",
-                 hcd_name,
-                 sizeof(struct ehci_qh), sizeof(struct ehci_qtd),
-                 sizeof(struct ehci_itd), sizeof(struct ehci_sitd));
-
-        retval = platform_driver_register(&ehci_fsl_dr_driver);
-        if (retval)
-                return retval;
-
-        return platform_driver_register(&ehci_fsl_mph_driver);
-}
-
-static void __exit ehci_fsl_cleanup(void)
-{
-        platform_driver_unregister(&ehci_fsl_mph_driver);
-        platform_driver_unregister(&ehci_fsl_dr_driver);
-}
-
-module_init(ehci_fsl_init);
-module_exit(ehci_fsl_cleanup);