diff options
author | Kumar Gala <galak@kernel.crashing.org> | 2006-04-11 15:07:16 (GMT) |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-06-21 22:04:09 (GMT) |
commit | 01cced250722d22d99c2342979490f93ca886521 (patch) | |
tree | b29b395305836a0f3690a69173e1df2a2f0ecf4f /drivers/usb | |
parent | df47e5330b0f5decb0a5736e9a81fff49d46d151 (diff) | |
download | linux-fsl-qoriq-01cced250722d22d99c2342979490f93ca886521.tar.xz |
[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>
Diffstat (limited to 'drivers/usb')
-rw-r--r-- | drivers/usb/host/ehci-au1xxx.c | 17 | ||||
-rw-r--r-- | drivers/usb/host/ehci-fsl.c | 37 | ||||
-rw-r--r-- | drivers/usb/host/ehci-hcd.c | 48 | ||||
-rw-r--r-- | drivers/usb/host/ehci-pci.c | 20 |
4 files changed, 49 insertions, 73 deletions
diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c index 63eadee..0e444ab 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); diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c index f985f121..a49a689 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); diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index 79f2d8b..7d7c97c 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -889,19 +889,59 @@ MODULE_LICENSE ("GPL"); #ifdef CONFIG_PCI #include "ehci-pci.c" -#define EHCI_BUS_GLUED +#define PCI_DRIVER ehci_pci_driver #endif #ifdef CONFIG_PPC_83xx #include "ehci-fsl.c" -#define EHCI_BUS_GLUED +#define PLATFORM_DRIVER ehci_fsl_driver #endif #ifdef CONFIG_SOC_AU1X00 #include "ehci-au1xxx.c" -#define EHCI_BUS_GLUED +#define PLATFORM_DRIVER ehci_hcd_au1xxx_driver #endif -#ifndef EHCI_BUS_GLUED +#if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) #error "missing bus glue for ehci-hcd" #endif + +static int __init ehci_hcd_init(void) +{ + int retval = 0; + + 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)); + +#ifdef PLATFORM_DRIVER + retval = platform_driver_register(&PLATFORM_DRIVER); + if (retval < 0) + return retval; +#endif + +#ifdef PCI_DRIVER + retval = pci_register_driver(&PCI_DRIVER); + if (retval < 0) { +#ifdef PLATFORM_DRIVER + platform_driver_unregister(&PLATFORM_DRIVER); +#endif + } +#endif + + return retval; +} +module_init(ehci_hcd_init); + +static void __exit ehci_hcd_cleanup(void) +{ +#ifdef PLATFORM_DRIVER + platform_driver_unregister(&PLATFORM_DRIVER); +#endif +#ifdef PCI_DRIVER + pci_unregister_driver(&PCI_DRIVER); +#endif +} +module_exit(ehci_hcd_cleanup); + diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index 648ddb5..cadffac 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -379,23 +379,3 @@ static struct pci_driver ehci_pci_driver = { .resume = usb_hcd_pci_resume, #endif }; - -static int __init ehci_hcd_pci_init(void) -{ - if (usb_disabled()) - return -ENODEV; - - 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)); - - return pci_register_driver(&ehci_pci_driver); -} -module_init(ehci_hcd_pci_init); - -static void __exit ehci_hcd_pci_cleanup(void) -{ - pci_unregister_driver(&ehci_pci_driver); -} -module_exit(ehci_hcd_pci_cleanup); |