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| author | Anton Vorontsov <cbouatmailru@gmail.com> | 2008-10-18 20:28:24 +0400 |
|---|---|---|
| committer | Anton Vorontsov <cbouatmailru@gmail.com> | 2008-10-18 20:28:24 +0400 |
| commit | ed8c3174dd227031d1f3b9fa4fbb512f8f623434 (patch) | |
| tree | bac4953f8899d6600f4716c0bcde1e25e34c2591 /include/linux/usb/composite.h | |
| parent | 8aef7e8f8de2d900da892085edbf14ea35fe6881 (diff) | |
| parent | 0cfd81031a26717fe14380d18275f8e217571615 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
drivers/power/Makefile
Diffstat (limited to 'include/linux/usb/composite.h')
| -rw-r--r-- | include/linux/usb/composite.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index c932390c6da..935c380ffe4 100644 --- a/include/linux/usb/composite.h +++ b/include/linux/usb/composite.h @@ -130,6 +130,9 @@ struct usb_function { int usb_add_function(struct usb_configuration *, struct usb_function *); +int usb_function_deactivate(struct usb_function *); +int usb_function_activate(struct usb_function *); + int usb_interface_id(struct usb_configuration *, struct usb_function *); /** @@ -316,9 +319,13 @@ struct usb_composite_dev { struct usb_composite_driver *driver; u8 next_string_id; - spinlock_t lock; + /* the gadget driver won't enable the data pullup + * while the deactivation count is nonzero. + */ + unsigned deactivations; - /* REVISIT use and existence of lock ... */ + /* protects at least deactivation count */ + spinlock_t lock; }; extern int usb_string_id(struct usb_composite_dev *c); |