diff options
| -rw-r--r-- | Documentation/feature-removal-schedule.txt | 7 | ||||
| -rw-r--r-- | drivers/hid/Kconfig | 12 | ||||
| -rw-r--r-- | drivers/hid/Makefile | 4 | ||||
| -rw-r--r-- | drivers/hid/hid-apple.c | 2 | ||||
| -rw-r--r-- | drivers/hid/hid-core.c | 12 | ||||
| -rw-r--r-- | drivers/hid/hid-dummy.c | 18 | ||||
| -rw-r--r-- | drivers/hid/hid-logitech.c | 2 | ||||
| -rw-r--r-- | include/linux/hid.h | 17 |
8 files changed, 72 insertions, 2 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt index cc8093c15cf..4d2566a7d16 100644 --- a/Documentation/feature-removal-schedule.txt +++ b/Documentation/feature-removal-schedule.txt @@ -287,6 +287,13 @@ Who: Glauber Costa <gcosta@redhat.com> --------------------------- +What: remove HID compat support +When: 2.6.29 +Why: needed only as a temporary solution until distros fix themselves up +Who: Jiri Slaby <jirislaby@gmail.com> + +--------------------------- + What: /sys/o2cb symlink When: January 2010 Why: /sys/fs/o2cb is the proper location for this information - /sys/o2cb diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 41283fff514..d9d1a5671d9 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -70,6 +70,18 @@ source "drivers/hid/usbhid/Kconfig" menu "Special HID drivers" depends on HID +config HID_COMPAT + bool "Load all HID drivers on hid core load" + default y + ---help--- + Compatible option for older userspace. If you have system without udev + support of module loading through aliases and also old + module-init-tools which can't handle hid bus, choose Y here. Otherwise + say N. If you say N and your userspace is old enough, the only + functionality you loose is modules autoloading. + + If unsure, say Y. + config HID_APPLE tristate "Apple" default m diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index 4a14821ceef..8e053eca474 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -8,6 +8,10 @@ obj-$(CONFIG_HID) += hid.o hid-$(CONFIG_HID_DEBUG) += hid-debug.o hid-$(CONFIG_HIDRAW) += hidraw.o +ifdef CONFIG_HID_COMPAT +obj-m += hid-dummy.o +endif + obj-$(CONFIG_HID_APPLE) += hid-apple.o obj-$(CONFIG_HID_LOGITECH) += hid-logitech.o diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c index 5642e2c685f..2a68661fcea 100644 --- a/drivers/hid/hid-apple.c +++ b/drivers/hid/hid-apple.c @@ -477,3 +477,5 @@ static void apple_exit(void) module_init(apple_init); module_exit(apple_exit); MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(apple); diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 8e3c264c9b2..397e1b2ffe5 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1532,6 +1532,14 @@ void hid_unregister_driver(struct hid_driver *hdrv) } EXPORT_SYMBOL_GPL(hid_unregister_driver); +#ifdef CONFIG_HID_COMPAT +static void hid_compat_load(struct work_struct *ws) +{ + request_module("hid-dummy"); +} +static DECLARE_WORK(hid_compat_work, hid_compat_load); +#endif + static int __init hid_init(void) { int ret; @@ -1546,6 +1554,10 @@ static int __init hid_init(void) if (ret) goto err_bus; +#ifdef CONFIG_HID_COMPAT + schedule_work(&hid_compat_work); +#endif + return 0; err_bus: bus_unregister(&hid_bus_type); diff --git a/drivers/hid/hid-dummy.c b/drivers/hid/hid-dummy.c new file mode 100644 index 00000000000..b76c44efe1b --- /dev/null +++ b/drivers/hid/hid-dummy.c @@ -0,0 +1,18 @@ +#include <linux/autoconf.h> +#include <linux/module.h> +#include <linux/hid.h> + +static int __init hid_dummy_init(void) +{ +#ifdef CONFIG_HID_APPLE_MODULE + HID_COMPAT_CALL_DRIVER(apple); +#endif +#ifdef CONFIG_HID_LOGITECH_MODULE + HID_COMPAT_CALL_DRIVER(logitech); +#endif + + return -EIO; +} +module_init(hid_dummy_init); + +MODULE_LICENSE("GPL"); diff --git a/drivers/hid/hid-logitech.c b/drivers/hid/hid-logitech.c index 395e42ffb4d..b2aaebe1ac0 100644 --- a/drivers/hid/hid-logitech.c +++ b/drivers/hid/hid-logitech.c @@ -310,3 +310,5 @@ static void lg_exit(void) module_init(lg_init); module_exit(lg_exit); MODULE_LICENSE("GPL"); + +HID_COMPAT_LOAD_DRIVER(logitech); diff --git a/include/linux/hid.h b/include/linux/hid.h index 75cc1531dd8..60e44e6b86e 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -790,10 +790,23 @@ dbg_hid(const char *fmt, ...) return 0; } #define dbg_hid_line dbg_hid -#endif +#endif /* HID_DEBUG */ #define err_hid(format, arg...) printk(KERN_ERR "%s: " format "\n" , \ __FILE__ , ## arg) -#endif +#endif /* HID_FF */ + +#ifdef CONFIG_HID_COMPAT +#define HID_COMPAT_LOAD_DRIVER(name) \ +void hid_compat_##name(void) { } \ +EXPORT_SYMBOL(hid_compat_##name) +#else +#define HID_COMPAT_LOAD_DRIVER(name) +#endif /* HID_COMPAT */ +#define HID_COMPAT_CALL_DRIVER(name) do { \ + extern void hid_compat_##name(void); \ + hid_compat_##name(); \ +} while (0) + #endif |