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| author | Matthew Garrett <mjg@redhat.com> | 2012-05-11 16:08:27 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-05-11 17:06:13 -0700 |
| commit | da0af6e78ef311d97754aa03e10eade82cc99e16 (patch) | |
| tree | 52d904e831d619452299844c7f55b61be2d62a53 /drivers/usb/core/usb.h | |
| parent | 38ac0f1b90dc9486cc039f1a4d8b0202813e5b67 (diff) | |
| download | linux-da0af6e78ef311d97754aa03e10eade82cc99e16.tar.gz linux-da0af6e78ef311d97754aa03e10eade82cc99e16.tar.bz2 linux-da0af6e78ef311d97754aa03e10eade82cc99e16.zip | |
usb: Bind devices to ACPI devices when possible
Built-in USB devices will typically have a representation in the system
ACPI tables. Add support for binding the two together so the USB code can
make use of the associated methods.
Signed-off-by: Matthew Garrett <mjg@redhat.com>
Signed-off-by: Lan Tianyu <tianyu.lan@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core/usb.h')
| -rw-r--r-- | drivers/usb/core/usb.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index 71648dcbe438..5c5c538ea73d 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -156,3 +156,10 @@ extern void usb_notify_remove_device(struct usb_device *udev); extern void usb_notify_add_bus(struct usb_bus *ubus); extern void usb_notify_remove_bus(struct usb_bus *ubus); +#ifdef CONFIG_ACPI +extern int usb_acpi_register(void); +extern void usb_acpi_unregister(void); +#else +static inline int usb_acpi_register(void) { return 0; }; +static inline void usb_acpi_unregister(void) { }; +#endif |