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* usb: gadget: f_fs: Increase EP_ALLOC ioctl numberJerry Zhang2017-09-141-1/+1
| | | | | | | | | Prevent conflict with possible new upstream ioctls before it itself is upstreamed. Test: None Change-Id: I10cbc01c25f920a626ea7559e8ca80ee08865333 Signed-off-by: Jerry Zhang <zhangjerry@google.com>
* usb: gadget: f_fs: Add ioctl for allocating endpoint buffers.Jerry Zhang2017-09-141-0/+5
| | | | | | | | | | | This creates an ioctl named FUNCTIONFS_ENDPOINT_ALLOC which will preallocate buffers for a given size. Any reads/writes on that endpoint below that size will use those buffers instead of allocating their own. If the endpoint is not active, the buffer will not be allocated until it becomes active. Change-Id: I4da517620ed913161ea9e21a31f6b92c9a012b44 Signed-off-by: Jerry Zhang <zhangjerry@google.com>
* usb: gadget: f_fs: add ioctl returning ep descriptorRobert Baldyga2017-09-141-0/+6
| | | | | | | | | | | | This patch introduces ioctl named FUNCTIONFS_ENDPOINT_DESC, which returns endpoint descriptor to userspace. It works only if function is active. Signed-off-by: Robert Baldyga <r.baldyga@samsung.com> Acked-by: Michal Nazarewicz <mina86@mina86.com> Signed-off-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Jerry Zhang <zhangjerry@google.com> Change-Id: I55987bf0c6744327f7763b567b5a2b39c50d18e6
* first commitMeizu OpenSource2016-08-151-0/+174
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