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| author | Tatyana Brokhman <tlinder@codeaurora.org> | 2011-06-28 16:33:49 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-06-28 11:14:36 -0700 |
| commit | 48767a4e8263620c347c3fa17812c943dd0fc2fa (patch) | |
| tree | 2859b92667049c57cae1c6ca02fd7897d6f3534f /include/linux/usb | |
| parent | 72c973dd2b01b212a159faa330a2bc641a3ed809 (diff) | |
| download | blackbird-op-linux-48767a4e8263620c347c3fa17812c943dd0fc2fa.tar.gz blackbird-op-linux-48767a4e8263620c347c3fa17812c943dd0fc2fa.zip | |
usb: gadget: configure endpoint according to gadget speed
Add config_ep_by_speed() to configure the endpoint
according to the gadget speed.
Using this function will spare the FDs from handling
the endpoint chosen descriptor.
Signed-off-by: Tatyana Brokhman <tlinder@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include/linux/usb')
| -rw-r--r-- | include/linux/usb/composite.h | 3 | ||||
| -rw-r--r-- | include/linux/usb/gadget.h | 3 |
2 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/usb/composite.h b/include/linux/usb/composite.h index b78cba466d3d..2014d6b1babc 100644 --- a/include/linux/usb/composite.h +++ b/include/linux/usb/composite.h @@ -145,6 +145,9 @@ int usb_function_activate(struct usb_function *); int usb_interface_id(struct usb_configuration *, struct usb_function *); +int config_ep_by_speed(struct usb_gadget *g, struct usb_function *f, + struct usb_ep *_ep); + /** * ep_choose - select descriptor endpoint at current device speed * @g: gadget, connected and running at some speed diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index fe50912585f8..0bcc2b76bcd8 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -133,6 +133,8 @@ struct usb_ep_ops { * value can sometimes be reduced (hardware allowing), according to * the endpoint descriptor used to configure the endpoint. * @driver_data:for use by the gadget driver. + * @address: used to identify the endpoint when finding descriptor that + * matches connection speed * @desc: endpoint descriptor. This pointer is set before the endpoint is * enabled and remains valid until the endpoint is disabled. * @@ -147,6 +149,7 @@ struct usb_ep { const struct usb_ep_ops *ops; struct list_head ep_list; unsigned maxpacket:16; + u8 address; const struct usb_endpoint_descriptor *desc; }; |
